Dodge Durango 2004-2009 Torque Specifications
Dodge Durango 2004-2009

Dodge Durango 2004-2009 Torque Specifications

Complete Dodge Durango 2004-2009 torque specifications guide. Includes factory-specified torque values, torque sequences, and technical specifications for all components including body, brakes, drivetrain, electrical, emissions sensors, fuel, exhaust, HVAC, and suspension. Essential information for proper assembly and maintenance.

Updated

Important Information

Safety guidelines and reference information for proper torque application

Quick Reference Guide
ft-lbs → Nm
× 1.356
ft-lbs → kg-m
× 0.138
Nm → ft-lbs
× 0.738
in-lbs → ft-lbs
× 0.083

Common Torque Patterns

Star Pattern

Used for wheels and other circular bolt patterns

Star Pattern torque pattern diagram showing proper bolt tightening sequence
Cross Pattern

Used for gaskets and cover plates

Cross Pattern torque pattern diagram showing proper bolt tightening sequence
Sequential Pattern

Used for head bolts and other critical components

Sequential Pattern torque pattern diagram showing proper bolt tightening sequence

Common Mistakes to Avoid

Over-tightening

Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.

Prevention:

Always use a calibrated torque wrench and follow specifications exactly.

Incorrect Torque Sequence

Tightening bolts in the wrong order can cause uneven pressure distribution and potential leaks or damage.

Prevention:

Follow the manufacturer's specified torque sequence pattern.

Dirty Threads

Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.

Prevention:

Clean and inspect all threads before assembly. Use new thread locker if specified.

Reusing TTY Bolts

Torque-to-yield bolts are designed to stretch and must not be reused.

Prevention:

Always replace TTY bolts with new ones. They are single-use only.

Dry vs. Lubricated

Not accounting for whether torque specs are for dry or lubricated fasteners can lead to incorrect tension.

Prevention:

Check if specs are for dry or lubricated threads. Use specified lubricant when required.

Recommended Tools

Torque Wrench (1/4" Drive)

Range: 2-25 ft-lbs
Small fasteners, delicate components

Torque Wrench (3/8" Drive)

Range: 10-100 ft-lbs
Most common automotive fasteners

Torque Wrench (1/2" Drive)

Range: 30-250 ft-lbs
Large fasteners, wheels

Angle Gauge

Torque-to-yield (TTY) bolts

Torque Wrench Care

  • Calibrate annually or after 5,000 clicks
  • Store at lowest setting
  • Keep clean and lubricated

Search Specifications

Search by component name, bolt size, or description

Torque Calculator

Convert between different torque units

3.7l Engine

Torque specifications for 3.7L Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 25 ft-lbs (34 N·m) 2. 90°
Important Notes
Follow the manufacturer's torque sequence diagram for proper tightening. Failure to do so may result in head gasket failure.
2

Rocker Arms/Shafts Bolts

M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Ensure rocker arms are properly seated before tightening.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.75
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Follow the manufacturer's torque sequence diagram for proper tightening.
2

Connecting Rod Nuts

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure connecting rods are properly seated on the crankshaft journals.
3

Flywheel Bolts

M12 x 1.75
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Use thread locker on flywheel bolts to prevent loosening.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M10 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.
2

Camshaft Sprocket Bolt

M12 x 1.75
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Ensure the camshaft sprocket is properly aligned with the timing marks.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure an even seal.
2

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Replace the crush washer with a new one to prevent leaks.

Intake And Exhaust

1

Intake Manifold Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure an even seal.
2

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure an even seal.

4.7l Engine

Torque specifications for 4.7L Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to ensure even clamping force.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.75
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Ensure proper alignment of main bearings before tightening.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure proper alignment of connecting rods before tightening.

Flywheel And Harmonic Balancer

1

Flywheel Bolts

M12 x 1.75
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Ensure proper alignment of the flywheel before tightening.
2

Crankshaft Pulley/Harmonic Balancer Bolt

M14 x 2.0
Torque Specification
105 ft-lbs (142 N·m)
Important Notes
Ensure proper alignment of the harmonic balancer before tightening.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper alignment of the oil pan gasket before tightening.
2

Oil Drain Plug

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Replace the crush washer during installation.

Valvetrain

1

Valve Cover Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper alignment of the valve cover gasket before tightening.
2

Camshaft Sprocket Bolt

M10 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Ensure proper alignment of the camshaft sprocket before tightening.

Exhaust System

1

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure proper alignment of the exhaust manifold gasket before tightening.

Ignition System

1

Spark Plugs

M14 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure proper alignment of the spark plugs before tightening.
2

Ignition Coil Bolt

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper alignment of the ignition coil before tightening.

Fuel System

1

Fuel Injector Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper alignment of the fuel injectors before tightening.
2

Fuel Injector Rail Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper alignment of the fuel rail before tightening.

Cooling System

1

Water Pump Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper alignment of the water pump gasket before tightening.
2

Thermostat Housing Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper alignment of the thermostat housing gasket before tightening.

Accessory Drives

1

Serpentine Belt Tensioner Bolt

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment of the tensioner before tightening.
2

Drive Belt Idler Pulley Bolt

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment of the idler pulley before tightening.

Engine Mounting

1

Engine Block Mounting Bolts

M12 x 1.75
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Ensure proper alignment of the engine mounts before tightening.

Sensors And Electronics

1

Crankshaft Position Sensor Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Ensure proper alignment of the sensor before tightening.

Starter And Alternator

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure proper alignment of the starter motor before tightening.
2

Alternator Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment of the alternator before tightening.

Air Conditioning

1

A/C Compressor Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment of the A/C compressor before tightening.

45rfe Transmission

Torque specifications for 45rfe Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M10 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure proper alignment of the transmission before tightening.

Oil Pan

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Use a new gasket and ensure the pan surface is clean before installation.

Fluid Plugs

1

Transmission Drain Plug

M12 x 1.75
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the plug threads are clean and free of debris before installation.
2

Transmission Fill Plug

M12 x 1.75
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the plug threads are clean and free of debris before installation.

Starter Motor

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure the starter motor is properly aligned with the flywheel before tightening.

Flywheel

1

Flywheel Bolts

M12 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Ensure the flywheel is properly seated on the crankshaft before tightening.

Drive Shaft

1

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure the drive shaft is properly aligned with the transmission output shaft before tightening.

Torque Converter

1

Torque Converter Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the torque converter is properly seated on the flexplate before tightening.

Bell Housing

1

Bell Housing Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the bell housing is properly aligned with the engine block before tightening.

Transmission Case

1

Transmission Case Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the transmission case halves are properly aligned before tightening.

Shift Linkage

1

Shift Linkage Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the shift linkage is properly aligned with the transmission before tightening.

Cooler Lines

1

Transmission Cooler Line Fittings

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure the cooler lines are properly aligned with the transmission fittings before tightening.

5.7l Engine

Torque specifications for 5.7L Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 25 ft-lbs (34 N·m) 2. 90°
Important Notes
Follow the manufacturer's torque sequence for cylinder head bolts. Failure to do so may result in head gasket failure.
2

Rocker Arms/Shafts Bolts

M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Ensure rocker arms are properly aligned before tightening.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.75
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Follow the manufacturer's torque sequence for main bearing bolts.
2

Connecting Rod Nuts

M9 x 1.0
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure connecting rods are properly aligned before tightening.

Timing System

1

Timing Chain Tensioner Bolt

M8 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure the tensioner is properly seated before tightening.
2

Camshaft Sprocket Bolt

M12 x 1.75
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Ensure the camshaft sprocket is properly aligned before tightening.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Follow the manufacturer's torque sequence for oil pan bolts.
2

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the drain plug washer is in good condition.

Intake And Exhaust

1

Intake Manifold Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Follow the manufacturer's torque sequence for intake manifold bolts.
2

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Follow the manufacturer's torque sequence for exhaust manifold bolts.

545rfe Transmission

Torque specifications for 545rfe Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M10 x 1.5
Torque Specification
40 ft-lbs (54 N-m)
Important Notes
Ensure proper alignment of the transmission before tightening. Torque values are estimated based on typical transmission mounting bolts.

Oil Pan

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N-m)
Important Notes
Torque values are estimated based on typical oil pan bolts. Ensure the oil pan gasket is properly seated before tightening.

Fluid Management

1

Transmission Drain Plug

M12 x 1.5
Torque Specification
15 ft-lbs (20 N-m)
Important Notes
Torque values are estimated based on typical drain plug sizes. Ensure the plug is properly seated to prevent leaks.
2

Transmission Fill Plug

M12 x 1.5
Torque Specification
15 ft-lbs (20 N-m)
Important Notes
Torque values are estimated based on typical fill plug sizes. Ensure the plug is properly seated to prevent leaks.
3

Transmission Cooler Line Fittings

M10 x 1.25
Torque Specification
20 ft-lbs (27 N-m)
Important Notes
Torque values are estimated based on typical cooler line fittings. Ensure proper alignment to prevent leaks.

Drivetrain Connection

1

Drive Axle/Half Shaft Bolts

M12 x 1.5
Torque Specification
70 ft-lbs (95 N-m)
Important Notes
Torque values are estimated based on typical axle bolts. Ensure proper alignment before tightening.
2

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N-m)
Important Notes
Torque values are estimated based on typical drive shaft bolts. Ensure proper alignment before tightening.

Starter Motor

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
40 ft-lbs (54 N-m)
Important Notes
Torque values are estimated based on typical starter motor bolts. Ensure proper alignment before tightening.

Torque Converter

1

Torque Converter Bolts

M8 x 1.25
Torque Specification
35 ft-lbs (47 N-m)
Important Notes
Torque values are estimated based on typical torque converter bolts. Ensure proper alignment before tightening.

Bell Housing

1

Bell Housing Bolts

M10 x 1.5
Torque Specification
40 ft-lbs (54 N-m)
Important Notes
Torque values are estimated based on typical bell housing bolts. Ensure proper alignment before tightening.

Valve Body

1

Transmission Valve Body Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N-m)
Important Notes
Torque values are estimated based on typical valve body bolts. Ensure proper alignment before tightening.

Shift Linkage

1

Transmission Shift Linkage Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N-m)
Important Notes
Torque values are estimated based on typical shift linkage bolts. Ensure proper alignment before tightening.

Body

Torque specifications for Body

Fuel System

1

Fuel Tank Strap Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensures the fuel tank remains securely mounted.
2

Fuel Filler Neck Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Prevents fuel leaks and ensures a secure connection.
3

Fuel Pump Mounting Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Prevents fuel leaks and ensures proper fuel delivery.

Suspension

1

Strut/Shock Absorber Mounting Bolts

M12 x 1.75
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Ensures stability and alignment of the suspension system.
2

Control Arm Bolts

M14 x 2.0
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Ensures proper suspension geometry and handling.
3

Sway Bar Link Nut

M10 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensures stability and reduces body roll during cornering.

Braking System

1

Brake Caliper Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensures proper brake function and prevents caliper movement.
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.75
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Ensures the braking system remains securely attached.
3

Brake Disc/Drum Retaining Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensures proper brake function and prevents vibration.

Electrical System

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
7.08 ft-lbs (10 N·m)
Important Notes
Ensures a reliable electrical connection and prevents corrosion.
2

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensures reliable engine starting and prevents misalignment.
3

Alternator Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensures proper belt tension and electrical system performance.

Body Panels

1

Body Panel Bolts (e.g., fender, door, hood, tailgate)

M6 x 1.0
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value. Prevents panel misalignment, rattling, or detachment.
2

Bumper Mounting Bolts

M8 x 1.25
Torque Specification
28 ft-lbs (38 N·m)
Important Notes
Estimated value. Ensures proper alignment and prevents detachment.
3

Door Hinge Bolts

M8 x 1.25
Torque Specification
23 ft-lbs (31 N·m)
Important Notes
Estimated value. Ensures proper door alignment and operation.

Brakes

Torque specifications for Brakes

Brake Caliper

1

Brake Caliper Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Secures the brake caliper to the mounting bracket. Ensure proper alignment before torquing.
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Attaches the caliper mounting bracket to the steering knuckle or axle. Ensure the bracket is properly seated before torquing.
3

Brake Hose Banjo Bolt

M10 x 1.0
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Connects the brake hose to the caliper. Ensure the sealing washers are properly installed to prevent leaks.

Brake Rotor Drum

1

Brake Disc/Drum Retaining Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Secures the brake rotor or drum to the hub. Ensure the rotor/drum is properly seated before torquing.

Brake Hydraulic System

1

Brake Master Cylinder Mounting Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Secures the master cylinder to the brake booster. Ensure the master cylinder is properly aligned before torquing.
2

Brake Booster Mounting Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Secures the brake booster to the firewall. Ensure the booster is properly seated before torquing.

Brake Pedal Assembly

1

Brake Pedal Assembly Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Secures the brake pedal assembly to the firewall. Ensure the pedal operates smoothly before torquing.

Abs System

1

ABS Sensor Mounting Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Secures the ABS sensor to the steering knuckle or axle. Ensure the sensor is properly aligned before torquing.

Wheel Assembly

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Secures the wheel to the hub. Use a star pattern to ensure even torque distribution.

Drivetrain

Torque specifications for Drivetrain

Flywheel

1

Flywheel Bolts

M12 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Ensure bolts are tightened in a star pattern to evenly distribute torque.

Transmission

1

Transmission Mounting Bolts

M10 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure transmission is properly aligned before tightening bolts.
2

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Use a crisscross pattern to ensure even gasket compression.
3

Transmission Drain and Fill Plugs

M14 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Replace sealing washer to prevent leaks.

Drive Axles

1

Drive Axle/Half Shaft Bolts

M12 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure axle is properly seated before tightening bolts.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
185 ft-lbs (251 N·m)
Important Notes
Use a torque wrench with a high-capacity socket.

Propeller Shaft

1

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Tighten bolts in a crisscross pattern for even torque distribution.

Differential

1

Differential Drain/Fill Plug

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Replace sealing washer to prevent leaks.
2

Differential Cover Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Use a crisscross pattern to ensure even gasket compression.
3

Differential Pinion Flange Bolts

M12 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure pinion flange is properly aligned before tightening bolts.

Transfer Case

1

Transfer Case Mounting Bolts

M10 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure transfer case is properly aligned before tightening bolts.
2

Transfer Case Drain/Fill Plug

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Replace sealing washer to prevent leaks.
3

Transfer Case Output Shaft Flange Bolts

M12 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure output shaft flange is properly aligned before tightening bolts.
4

Transfer Case Input Shaft Bolts

M10 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure input shaft is properly aligned before tightening bolts.

Electrical

Torque specifications for Electrical

Ignition System

1

Ignition Coil Bolt

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure the ignition coil is properly seated before tightening.

Starting System

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure the starter motor is properly aligned with the engine block.

Charging System

1

Alternator Mounting Bolts

M8 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the alternator is properly aligned with the drive belt.

Battery System

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
7.08 ft-lbs (10 N·m)
Important Notes
Ensure the battery terminals are clean and free of corrosion before tightening.

Ac System

1

A/C Compressor Mounting Bolts

M8 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the compressor is properly aligned with the drive belt.
2

A/C Line Fittings

M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure the fittings are properly seated before tightening.

Grounding System

1

Ground Strap Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on similar grounding components.

Fuse Box

1

Fuse Box Mounting Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar electrical components.

Ecu

1

ECU/ECM Mounting Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar electrical components.

Wiring Harness

1

Wiring Harness Clamp Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar electrical components.

Lighting System

1

Headlight Housing Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar electrical components.

Emissions Sensors

Torque specifications for Emissions_sensors

Egr System

1

EGR Valve Bolts

M8 x 1.25
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure the EGR valve gasket is properly seated before tightening.
2

EGR Tube Bolts

M8 x 1.25
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar EGR system components.

Exhaust Manifold

1

Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Use a crisscross pattern to ensure even clamping force.
2

Exhaust Manifold to Cylinder Head Bolts

M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the gasket is properly seated before tightening.

Exhaust Pipe And Catalytic Converter

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the exhaust pipe flange is aligned with the manifold.
2

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the catalytic converter is properly aligned before tightening.
3

Catalytic Converter Heat Shield Bolts

M8 x 1.25
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar heat shield applications.

Oxygen Sensors

1

Upstream Oxygen (O2) Sensor

M18 x 1.5
Torque Specification
35 ft-lbs (47.5 N·m)
Important Notes
Estimated value based on typical O2 sensor torque specifications.
2

Downstream Oxygen (O2) Sensor

M18 x 1.5
Torque Specification
35 ft-lbs (47.5 N·m)
Important Notes
Estimated value based on typical O2 sensor torque specifications.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold Headers

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Catalytic Converter

1

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Muffler

1

Muffler to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Exhaust Hangers

1

Exhaust Hanger Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on typical M8 bolt torque specifications.

Oxygen Sensor

1

Oxygen Sensor (O2 Sensor)

M18 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on typical oxygen sensor torque specifications.

Heat Shields

1

Heat Shield Bolts

M6 x 1.0
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value based on typical M6 bolt torque specifications.

Fuel

Torque specifications for Fuel

Fuel Delivery System

1

Fuel Rail Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensures a tight seal between the fuel rail and intake manifold or cylinder head. Prevents fuel leaks and maintains system pressure.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Secures the fuel injectors to the fuel rail and intake manifold. Ensures proper sealing and fuel pressure.
3

Fuel Pump Mounting Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Secures the fuel pump to the fuel tank or mounting bracket. Prevents fuel leaks and ensures proper pump operation.
4

Fuel Pressure Regulator Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar M6 bolts in the fuel system. Ensures proper sealing and pressure regulation.

Fuel Tank And Related Components

1

Fuel Tank Strap Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Secures the fuel tank straps to the vehicle chassis. Prevents tank movement or detachment.
2

Fuel Filler Neck Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Secures the fuel filler neck to the fuel tank or body. Ensures a tight seal to prevent vapor leaks.
3

Fuel Tank Sender Unit Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar M6 bolts in the fuel system. Ensures a tight seal and accurate fuel level readings.
4

Fuel Vapor Canister Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar M6 bolts in the fuel system. Ensures secure mounting and prevents vapor leaks.

Fuel Filtration System

1

Fuel Filter Bolt/Nut

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Secures the fuel filter in place. Ensures a tight seal to prevent leaks and maintain fuel flow.

Fuel Line Connections

1

Fuel Line Fittings

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensures a tight seal between fuel lines and components. Prevents fuel leaks and maintains system pressure.

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the compressor is properly aligned before tightening. Use a crisscross pattern for even torque distribution.
2

A/C Line Fittings

M8 x 1.0
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure fittings are clean and free of debris before assembly. Use a backup wrench to prevent twisting of refrigerant lines.

Evaporator Core

1

Evaporator Core Housing Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure the housing is properly sealed to prevent refrigerant leaks. Estimated torque value based on similar M6 bolts.

Blower Motor

1

Blower Motor Mounting Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure the blower motor is securely mounted to prevent vibrations. Estimated torque value based on similar M6 bolts.

Heater Core

1

Heater Core Inlet/Outlet Fittings

M8 x 1.0
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure fittings are clean and free of debris before assembly. Use a backup wrench to prevent twisting of coolant lines.

Hvac Case

1

HVAC Case Assembly Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure the case is properly sealed to prevent air leaks. Estimated torque value based on similar M6 bolts.

Suspension

Torque specifications for Suspension

Strut Shock Assembly

1

Strut/Shock Absorber Mounting Bolts

M12 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Ensure bolts are tightened evenly to prevent misalignment.
2

Upper Strut Mount Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on similar components.
3

Lower Shock Mounting Bolts

M10 x 1.25
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value based on similar components.

Control Arm Assembly

1

Control Arm Bolts

M12 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Ensure bolts are tightened evenly to prevent misalignment.
2

Ball Joint Nut

M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the ball joint is properly seated before tightening.

Steering Components

1

Tie Rod End Nut

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Ensure the tie rod end is properly aligned before tightening.
2

Steering Gear/Rack Bolts

M12 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure the steering rack is properly aligned before tightening.
3

Steering Knuckle Bolts

M14 x 1.5
Torque Specification
150 ft-lbs (203 N·m)
Important Notes
Estimated value based on similar components.

Sway Bar Assembly

1

Sway Bar Link Nut

M10 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure the sway bar link is properly aligned before tightening.
2

Sway Bar Bracket Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on similar components.

Wheel And Axle Assembly

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Use a star pattern to tighten lug nuts for even clamping force.
2

Drive Axle/Half Shaft Bolts

M12 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure the axle is properly seated before tightening.
3

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
185 ft-lbs (251 N·m)
Important Notes
Ensure the CV joint is properly seated before tightening.

Track Bar Assembly

1

Track Bar Bolts

M14 x 1.5
Torque Specification
125 ft-lbs (170 N·m)
Important Notes
Estimated value based on similar components.

Troubleshooting Guide

Common issues, diagnostic steps, and prevention guidelines

Common Issues

Bolt stretching, stripped threads, uneven torque patterns

Loose Components

Symptoms:
  • Rattling or vibration noises
  • Visible movement in components
  • Uneven panel gaps
Solutions:
  • Clean threads and mounting surfaces
  • Replace damaged fasteners
  • Apply proper torque in sequence
  • Use thread locker if specified

Stripped Fasteners

Symptoms:
  • Unable to achieve proper torque
  • Fastener spins freely
  • Visible thread damage
Solutions:
  • Use thread repair kit if appropriate
  • Install thread insert (HeliCoil)
  • Replace component if threaded hole is damaged
  • Upgrade to higher grade fastener if recommended

Overtightened Components

Symptoms:
  • Cracked or deformed parts
  • Broken fasteners
  • Compressed gaskets or seals
Solutions:
  • Replace damaged components
  • Use new fasteners
  • Follow proper torque sequence
  • Verify correct torque specifications

Diagnostic Steps

Visual inspection, torque verification, thread assessment

1

Visual Inspection

Inspect the affected area for any visible signs of damage or wear

  • Check for cracks or deformation
  • Look for signs of excessive wear
  • Verify proper fastener installation
2

Torque Verification

Verify the torque applied to the fasteners

  • Check the torque wrench calibration
  • Verify the torque specification
  • Compare the applied torque to the specification
3

Thread Assessment

Assess the condition of the threads

  • Check for signs of thread damage
  • Verify the thread type and size
  • Check for proper thread engagement

Prevention Guidelines

Best practices, maintenance tips, tool care

Best Practices

  • Always follow the recommended torque specification
  • Use the correct type and size of fasteners
  • Verify the torque wrench calibration regularly

Maintenance Tips

  • Regularly inspect the affected area for signs of wear or damage
  • Replace damaged or worn-out components promptly
  • Keep the work area clean and organized

Tool Care

  • Regularly clean and maintain the torque wrench
  • Store the torque wrench in a dry and secure location
  • Verify the torque wrench calibration before each use

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What IS the proper torque for spark plug replacement on a 2006 Dodge Durango?

24 ft-lbs (32 Nm) for 2006 models with the 4.7L engine and 16 ft-lbs (22 Nm) for all other engine options.

Q2

Can I use an impact wrench to tighten lug nuts?

No, impact wrenches can overtighten lug nuts, leading to stripped threads or damaged wheels. Always use a calibrated torque wrench for accurate tightening.

Q3

What IS the torque sequence for the cylinder head bolts on a 2008 Dodge Durango?

Refer to the Dodge service manual for detailed torque specifications. Proper sequence and tightening values are crucial for engine integrity.

Q4

How do I choose the correct torque wrench for my vehicle?

Select a torque wrench with an appropriate range for the specific bolts you need to tighten. Ensure it IS calibrated regularly to provide accurate readings.

Q5

Can I tighten bolts to the specified torque without a torque wrench?

Not recommended. Using improper tightening methods can result in under or over-tightening, potentially causing damage to the components or creating safety hazards.

Q6

How do I prevent thread damage when applying torque to bolts?

Clean the bolt and threads before assembly, use a proper washer if specified, and apply a small amount of anti-seize lubricant to the threads to reduce friction.

Environmental Considerations

Temperature, humidity, and seasonal effects on torque specifications

Temperature Effects

Includes: High Heat, Cold Weather, Thermal Cycling

Temperature can significantly impact torque values and fastener behavior

Cold Weather

Effects:
  • Increased material brittleness
  • Higher torque required due to thread contraction
  • Reduced thread lubricant effectiveness
Recommendations:
  • Allow components to warm to room temperature when possible
  • Consider using winter-grade thread lubricants
  • Check torque values more frequently during winter months

Hot Weather

Effects:
  • Thermal expansion of components
  • Decreased friction in threads
  • Accelerated lubricant breakdown
Recommendations:
  • Check torque when components are at normal operating temperature
  • Use temperature-resistant thread lockers
  • Consider re-torquing after heat cycles

Humidity and Corrosion

Covers: Rust Prevention, Salt Exposure, Moisture Control

Moisture and corrosion can affect fastener integrity and torque values

High Humidity

Effects:
  • Accelerated corrosion formation
  • Reduced friction coefficient
  • Potential thread seizing
Prevention:
  • Use corrosion-resistant fasteners
  • Apply appropriate anti-seize compounds
  • Maintain proper protective coatings

Salt Exposure

Effects:
  • Rapid corrosion development
  • Thread damage
  • Seized fasteners
Prevention:
  • Regular underbody washing
  • Use of sacrificial anodes where appropriate
  • Application of protective coatings

Seasonal Maintenance

Spring, Summer, Fall, and Winter maintenance schedules

Spring

  • Inspect for winter damage
  • Clean and protect exposed fasteners
  • Check torque on critical components

Summer

  • Monitor heat-affected components
  • Check expansion-related loosening
  • Inspect cooling system mounts

Fall

  • Prepare for winter conditions
  • Apply corrosion protection
  • Verify all fasteners are properly torqued

Winter

  • More frequent inspection of critical fasteners
  • Check for salt damage
  • Monitor suspension component torque

Related Resources

Tools, service procedures, and technical bulletins

Recommended Tools

Digital Torque Wrench (10-100 Nm)

Tighten fasteners to precise torque specifications, preventing damage and ensuring proper assembly.

  • Digital display for accurate readings
  • Audible alarm when target torque IS reached
  • Multiple units (Nm, ft-lb, in-lb)
  • Reversible ratcheting mechanism
Learn more
Service Procedures
Technical Service Bulletins

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Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
  • Vehicle specifications and procedures may vary by model year, trim level, and region.
  • Always follow the manufacturer's recommended procedures and safety precautions.
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About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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