Dodge Caravan 2008-2020 Torque Specifications
Dodge Caravan 2008-2020

Dodge Caravan 2008-2020 Torque Specifications

Complete Dodge Caravan 2008-2020 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

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Torque Calculator

Convert between different torque units

3.3l Engine

Torque specifications for 3.3L Engine

Cylinder Head and Engine Block

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Proper torque is crucial to maintain the correct compression ratio and prevent head gasket failure.
2

Engine Block-to-Cylinder Head Dowel Pin Bolts

M10 x 1.25
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value. Proper torque is essential to maintain the correct engine block-to-cylinder head seal and prevent engine damage.

Main Bearings and Crankshaft

1

Main Bearing Bolts

M14 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Proper torque is essential to maintain the correct bearing clearance and prevent engine damage.
2

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 1.5
Torque Specification
130 ft-lbs (176 N·m)
Important Notes
Proper torque is crucial to maintain the correct crankshaft pulley/harmonic balancer-to-crankshaft clearance and prevent engine damage.

Valvetrain and Timing System

1

Rocker Arms/Shafts Bolts

M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Proper torque is critical to maintain the correct rocker arm/shaft-to-cylinder head clearance and prevent engine damage.
2

Camshaft Sprocket Bolt

M12 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Proper torque is essential to maintain the correct camshaft sprocket-to-camshaft clearance and prevent engine damage.

Fuel System and Engine Accessories

1

Fuel Injector Bolts

M8 x 1.25
Torque Specification
105 in-lbs (12 N·m)
Important Notes
Proper torque is essential to maintain the correct fuel injector-to-intake manifold seal and prevent fuel leaks.
2

Fuel Rail Bolts

M8 x 1.25
Torque Specification
105 in-lbs (12 N·m)
Important Notes
Proper torque is crucial to maintain the correct fuel rail-to-intake manifold seal and prevent fuel leaks.

Engine Mounts and Accessories

1

Engine Mounting Bolts

M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value. Proper torque is crucial to maintain the correct engine-to-engine mount seal and prevent engine damage.

3.6l Engine

Torque specifications for 3.6L Engine

Cylinder Head

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Proper torque ensures the cylinder head is securely attached to the engine block, preventing leaks and damage to the engine.
2

Valve Cover Bolts

M8 x 1.25
Torque Specification
90 in-lbs (10 N·m)
Important Notes
Correct torque ensures the valve cover is securely attached to the cylinder head, preventing leaks and damage to the engine.
3

Rocker Arms/Shafts Bolts

M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Proper torque ensures the rocker arms/shafts are securely attached to the cylinder head, maintaining engine performance and preventing damage to the engine.

Engine Block

1

Main Bearing Bolts

M14 x 2.0
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Correct torque ensures the main bearings are properly seated and secured, maintaining engine stability and preventing damage to the crankshaft.
2

Oil Pan Bolts

M10 x 1.5
Torque Specification
105 in-lbs (12 N·m)
Important Notes
Proper torque ensures the oil pan is securely attached to the engine block, preventing leaks and damage to the engine.

Crankshaft

1

Connecting Rod Nuts

M12 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Proper torque ensures the connecting rods are securely attached to the crankshaft, maintaining engine balance and preventing damage to the engine.
2

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 2.0
Torque Specification
130 ft-lbs (176 N·m)
Important Notes
Proper torque ensures the crankshaft pulley/harmonic balancer is securely attached to the crankshaft, maintaining engine stability and preventing damage to the engine.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M10 x 1.5
Torque Specification
250 in-lbs (28 N·m)
Important Notes
Proper torque ensures the timing belt/chain tensioner is securely attached, maintaining engine timing and preventing damage to the engine.
2

Camshaft Sprocket Bolt

M14 x 2.0
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Correct torque ensures the camshaft sprocket is securely attached to the camshaft, maintaining engine timing and preventing damage to the engine.

Accessories

1

Water Pump Bolts

M10 x 1.5
Torque Specification
105 in-lbs (12 N·m)
Important Notes
Correct torque ensures the water pump is securely attached to the engine block, preventing leaks and damage to the engine.
2

Thermostat Housing Bolts

M8 x 1.25
Torque Specification
105 in-lbs (12 N·m)
Important Notes
Proper torque ensures the thermostat housing is securely attached to the engine block, maintaining engine temperature control and preventing damage to the engine.
3

Oil Filter Housing Bolt

M10 x 1.5
Torque Specification
70 in-lbs (8 N·m)
Important Notes
Correct torque ensures the oil filter housing is securely attached to the engine block, preventing leaks and damage to the engine.

3.8l Engine

Torque specifications for 3.8L Engine

Cylinder Head and Engine Block

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
2

Main Bearing Bolts

M16 x 1.5
Torque Specification
100 ft-lbs (136 N·m)

Crankshaft and Connecting Rods

1

Connecting Rod Nuts

M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
2

Flywheel Bolts

M16 x 1.5
Torque Specification
75 ft-lbs (102 N·m)

Valvetrain and Timing System

1

Camshaft Sprocket Bolt

M12 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
2

Timing Belt/Chain Tensioner Bolt

M10 x 1.5
Torque Specification
250 in-lbs (28 N·m)
Important Notes
Estimated value based on similar components.

Engine Accessories and Mounts

1

Engine Block to Transmission Bellhousing Bolts

M14 x 1.5
Torque Specification
60 ft-lbs (81 N·m)
Important Notes
Estimated value based on general engine assembly practices.
2

Engine Mounting Bolts

M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on general engine assembly practices.

Cooling and Lubrication System

1

Water Pump Bolts

M10 x 1.5
Torque Specification
105 in-lbs (12 N·m)
2

Thermostat Housing Bolts

M10 x 1.5
Torque Specification
105 in-lbs (12 N·m)

Intake and Exhaust System

1

Intake Manifold Bolts

M10 x 1.5
Torque Specification
105 in-lbs (12 N·m)
2

Exhaust Manifold/Headers Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (40 N·m)

Ignition and Electrical System

1

Spark Plugs

M14 x 1.25
Torque Specification
20 ft-lbs (27 N·m)

4.0l Engine

Torque specifications for 4.0L Engine

Cylinder Head and Engine Block

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
2

Cylinder Head to Engine Block Studs

M10 x 1.25
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value, consult manufacturer's documentation for accurate information.

Main Bearings and Crankshaft

1

Main Bearing Bolts

M14 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
2

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 1.5
Torque Specification
130 ft-lbs (176 N·m)

Valvetrain and Timing

1

Camshaft Sprocket Bolt

M12 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
2

Timing Belt/Chain Tensioner Bolt

M10 x 1.25
Torque Specification
250 in-lbs (28 N·m)
Important Notes
Note: This value is in in-lbs, not ft-lbs.

Engine Mounts and Transmission

1

Engine Block to Transmission Mounting Bolts

M14 x 1.5
Torque Specification
60 ft-lbs (81 N·m)
Important Notes
Estimated value, consult manufacturer's documentation for accurate information.
2

Engine Block to Engine Mounting Bolts

M12 x 1.5
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value, consult manufacturer's documentation for accurate information.

Oil and Cooling Systems

1

Oil Pan Bolts

M10 x 1.25
Torque Specification
105 in-lbs (12 N·m)
Important Notes
Note: This value is in in-lbs, not ft-lbs.
2

Water Pump Bolts

M10 x 1.25
Torque Specification
105 in-lbs (12 N·m)
Important Notes
Note: This value is in in-lbs, not ft-lbs.

Fuel and Ignition Systems

1

Fuel Injector Bolts

M10 x 1.25
Torque Specification
105 in-lbs (12 N·m)
Important Notes
Note: This value is in in-lbs, not ft-lbs.
2

Spark Plugs

M14 x 1.25
Torque Specification
20 ft-lbs (27 N·m)

62te Transmission

Torque specifications for 62te Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)

Transmission Oil System

1

Transmission Oil Pan Bolts

M10 x 1.25
Torque Specification
7.8 ft-lbs (12 N·m)
Important Notes
Estimated value, as original specification was in in-lbs.
2

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)

Transmission Case and Valve Body

1

62TE Transmission Case Bolts (Upper and Lower)

M14 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
2

62TE Transmission Valve Body Bolts

M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)

Transmission Filter and Solenoid Pack

1

62TE Transmission Filter Bolts

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
2

62TE Transmission Solenoid Pack Bolts

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)

Transmission Pan Gasket

1

62TE Transmission Pan Gasket Bolts (if equipped with a pan gasket)

M10 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Only applicable if equipped with a pan gasket.

Body

Torque specifications for Body

Suspension and Steering

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
2

Control Arm Bolts

M16 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
3

Steering Gear/Rack Bolts

M18 x 1.5
Torque Specification
185 ft-lbs (251 N·m)

Brake System

1

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Specification
80 ft-lbs (108 N·m)

Body and Frame

1

Body Mount Bolts (Front and Rear)

M14 x 1.5 (estimated)
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value, consult service manual for correct torque value.

Exterior Trim and Accessories

1

Hood Hinge Bolts

M10 x 1.5 (estimated)
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value, consult service manual for correct torque value.
2

Door Hinge Bolts

M10 x 1.5 (estimated)
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value, consult service manual for correct torque value.
3

Trunk Lid Hinge Bolts

M10 x 1.5 (estimated)
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value, consult service manual for correct torque value.
4

Bumper Mounting Bolts

M12 x 1.5 (estimated)
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value, consult service manual for correct torque value.
5

Fender Mounting Bolts

M10 x 1.5 (estimated)
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value, consult service manual for correct torque value.

Brakes

Torque specifications for Brakes

Brake Caliper and Mounting

1

Brake Caliper Bolts

M12 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Secure the brake caliper to the rotor or drum.
2

Brake Caliper Mounting Bracket Bolts

M14 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Attach the brake caliper mounting bracket to the steering knuckle or suspension component.

Brake Disc/Drum and Rotor

1

Brake Disc/Drum Retaining Bolts

M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Hold the brake disc or drum in place.
2

Brake Rotor Bolts

M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value. Secure the brake rotor to the hub.

Wheel and Hub

1

Wheel Lug Nuts

M14 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Secure the wheel to the hub.

Brake Master Cylinder and ABS Module

1

Brake Master Cylinder Mounting Bolts

M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Secure the brake master cylinder.
2

ABS Module Mounting Bolts

M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Secure the ABS module.

Brake Lines and Fittings

1

Brake Line Fittings

M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Secure the brake line fittings.

Drivetrain

Torque specifications for Drivetrain

Engine Block and Crankshaft

1

Main Bearing Bolts

M14 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
2

Connecting Rod Nuts

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)

Flywheel and Harmonic Balancer

1

Flywheel Bolts

M12 x 1.25
Torque Specification
75 ft-lbs (102 N·m)
2

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 1.5
Torque Specification
130 ft-lbs (176 N·m)

Transmission and Mounting

1

Transmission Mounting Bolts

M12 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
2

Engine Block to Transmission Bellhousing Bolts

M14 x 1.5
Torque Specification
1. 60 ft-lbs (81 N·m) 2. 80 ft-lbs (108 N·m)
Important Notes
Estimated values, consult manufacturer's recommendations.
3

Transmission Crossmember Bolts

M12 x 1.25
Torque Specification
1. 80 ft-lbs (108 N·m) 2. 100 ft-lbs (136 N·m)
Important Notes
Estimated values, consult manufacturer's recommendations.

Transmission Oil Pan and Axles

1

Transmission Oil Pan Bolts

M8 x 1.0
Torque Specification
105 in-lbs (12 N·m)
2

Drive Axle/Half Shaft Bolts

M14 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
3

Axle Shaft Retaining Bolts

M12 x 1.25
Torque Specification
1. 40 ft-lbs (54 N·m) 2. 60 ft-lbs (81 N·m)
Important Notes
Estimated values, consult manufacturer's recommendations.

CV Joints and Drive Shaft

1

CV Joint/Axle Nut

M16 x 1.5
Torque Specification
185 ft-lbs (251 N·m)
2

Propeller/Drive Shaft Bolts

M12 x 1.25
Torque Specification
60 ft-lbs (81 N·m)

Differential and Cover

1

Differential Drain/Fill Plug

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
2

Differential Cover Bolts

M10 x 1.0
Torque Specification
1. 30 ft-lbs (40 N·m) 2. 40 ft-lbs (54 N·m)
Important Notes
Estimated values, consult manufacturer's recommendations.

Electrical

Torque specifications for Electrical

Starter Motor

1

Starter Motor Mounting Bolts

M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)

Alternator

1

Alternator Mounting Bolts

M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
2

Alternator Pulley Bolt

M10 x 1.25
Torque Specification
17.5 ft-lbs (23.5 N·m)
Important Notes
Estimated value, may vary depending on the specific application or manufacturer's requirements.

Battery

1

Battery Support Bracket Bolts

M10 x 1.25
Torque Specification
22.5 ft-lbs (30.5 N·m)
Important Notes
Estimated value, may vary depending on the specific application or manufacturer's requirements.
2

Battery Terminal Nuts

M8 x 1.25
Torque Specification
5.83 ft-lbs (8 N·m)

Ignition Coil

1

Ignition Coil Bolt

M8 x 1.25
Torque Specification
5.83 ft-lbs (8 N·m)

Spark Plug Wires

1

Spark Plug Wire Boot Hold-Down Stud Nut

M6 x 1.0
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value, may vary depending on the specific application or manufacturer's requirements.

Electrical Connectors

1

Electrical Connector Hardware

M4 x 0.7
Torque Specification
0.83 ft-lbs (1.1 N·m)
Important Notes
Estimated value, may vary depending on the specific application or manufacturer's requirements.

Emissions Sensors

Torque specifications for Emissions_sensors

Exhaust System

1

Exhaust Manifold/Header to Cylinder Head

M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure proper sealing to prevent exhaust leaks. Torque bolts evenly in a criss-cross pattern.
2

Exhaust Manifold/Header Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
These bolts secure the manifold sections together. Final torque is often applied after a hot/cold cycle. Check service manual for specific procedure.
3

Catalytic Converter to Exhaust Pipe

M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure proper sealing of the exhaust pipe to the catalytic converter. Proper alignment is crucial.
4

Oxygen (O2) Sensor

M18 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Use anti-seize compound on threads. Do not over-tighten to prevent damage to threads or sensor. Check sensor manufacturer's specs for any variances.
5

Air-Fuel Ratio Sensor (A/F Sensor)

M18 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Use anti-seize compound on threads. Do not over-tighten to prevent damage to threads or sensor. Check sensor manufacturer's specs for any variances.
6

Nitrous Oxide (NOx) Sensor

M18 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Use anti-seize compound on threads. Do not over-tighten to prevent damage to threads or sensor. Check sensor manufacturer's specs for any variances. (If Equipped)

Intake System

1

Mass Air Flow (MAF) Sensor Mounting Bolts

M6 x 1.0
Torque Specification
5.8 ft-lbs (8 N·m)
Important Notes
Be very careful not to over-tighten these bolts. Estimated value, as sensor housings are often plastic. Check vehicle specific manual.
2

Manifold Absolute Pressure (MAP) Sensor Mounting Bolt

M5 x 0.8
Torque Specification
4.9 ft-lbs (6.6 N·m)
Important Notes
Be careful not to overtighten these bolts to prevent damage. Estimated value based on typical bolt size.

Egr System

1

EGR Valve Bolts

M8 x 1.25
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper gasket placement to avoid leaks. Torque bolts evenly.

Evap System

1

Evaporative Emission (EVAP) Purge Valve Mounting Bolts

M6 x 1.0
Torque Specification
5.8 ft-lbs (8 N·m)
Important Notes
Be careful not to overtighten these bolts to prevent damage or vacuum leaks. Estimated value.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Tighten bolts in a spiral pattern, starting from the center and working outwards to ensure even pressure. This torque value applies to most standard exhaust manifold bolts of this size. Double check the service manual to verify specifications of bolts that may be of a different material, grade or size.
2

Exhaust Manifold/Header Studs (into cylinder head)

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
This torque value is specific to studs that thread directly into the cylinder head. Apply anti-seize to threads to prevent seizing and ensure proper torque is achieved. This value is an estimate based on typical stud sizes, verify specifications from the service manual.

Exhaust Connections

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Typically bolts used in a flange connection with springs. Ensure proper alignment and that the springs are correctly positioned. This torque value is common for standard exhaust pipe connections.
2

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Tighten evenly to ensure a proper seal between the catalytic converter and exhaust pipe. Check for exhaust leaks after installation. This torque value is common for connections using flanged pipes.
3

Muffler to Exhaust Pipe Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Often uses clamps. If using bolts, ensure proper alignment and use proper hardware. Check for exhaust leaks after installation.
4

Exhaust Pipe Flange Bolts (intermediate pipe)

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Used to connect various sections of exhaust piping. Ensure a good seal and check for leaks after installation.
5

Exhaust Band Clamp Bolts

M8 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure the band clamp is properly aligned before tightening. Torque should be applied evenly to the clamp bolts for a secure seal. This value is estimated based on typical clamp sizes, verify specifications from the service manual.

Exhaust Support

1

Exhaust System Hanger Bolts (to chassis/frame)

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
These bolts secure the rubber exhaust hangers to the vehicle frame. Do not over-tighten as it can damage the rubber mounts. This value is an estimate based on typical hanger bolt sizes, verify specifications from the service manual.

Sensors

1

Oxygen Sensor

M18 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Ensure the sensor threads are clean and apply a small amount of anti-seize compound. Use a sensor socket to avoid damage. Do not overtighten to prevent damage to the sensor.

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
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Ensure injectors are properly seated before tightening.
3

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.
4

Fuel Pressure Sensor 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.

Fuel Storage System

1

Fuel Pump Mounting Bolts

M6 x 1.0
Torque Specification
6.67 ft-lbs (9 N·m)
Important Notes
Ensure the pump is properly seated before tightening.
2

Fuel Tank Strap Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure straps are evenly tightened to avoid tank misalignment.
3

Fuel Tank Sender Unit Bolts

M6 x 1.0
Torque Specification
6.67 ft-lbs (9 N·m)
Important Notes
Estimated value based on similar M6 bolts in the fuel system.

Fuel Evaporative System

1

Fuel Evaporative 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.

Fuel Filtration System

1

Fuel Filter Bolt/Nut

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure the filter is properly aligned before tightening.

Fuel Filler System

1

Fuel Filler Neck Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the filler neck is properly aligned before tightening.

Fuel Line Connections

1

Fuel Line Fittings

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure fittings are properly aligned and seated before tightening.

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute load.

Ac Line Fittings

1

A/C Line Fittings

M8 x 1.0
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Use a torque wrench to avoid over-tightening, which can damage the fittings.

Blower Motor

1

HVAC Blower Motor Mounting Bolts

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

Evaporator Core

1

HVAC Evaporator Core Mounting Bolts

M10 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on similar components. Tighten bolts evenly to avoid warping.

Condenser

1

HVAC Condenser Mounting Bolts

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

Suspension

Torque specifications for Suspension

Strut Shock Absorber

1

Front Strut Mounting Bolts

M12 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Ensure the vehicle is on a flat surface and the suspension is at ride height before torquing.
2

Rear Shock Absorber Mounting Bolts

M12 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Ensure the vehicle is on a flat surface and the suspension is at ride height before torquing.

Control Arm

1

Control Arm Bolts

M14 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Ensure the vehicle is on a flat surface and the suspension is at ride height before torquing.
2

Ball Joint Nut

M12 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure the vehicle is on a flat surface and the suspension is at ride height before torquing.

Steering Knuckle

1

Steering Knuckle Bolts

M14 x 1.5
Torque Specification
120 ft-lbs (163 N·m)
Important Notes
Ensure the vehicle is on a flat surface and the suspension is at ride height before torquing.

Subframe

1

Subframe Mounting Bolts

M16 x 1.5
Torque Specification
125 ft-lbs (169 N·m)
Important Notes
Ensure the vehicle is on a flat surface and the suspension is at ride height before torquing.

Sway Bar

1

Sway Bar Link Nut

M10 x 1.25
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Ensure the vehicle is on a flat surface and the suspension is at ride height before torquing.
2

Stabilizer Bar Mounting Bolts

M10 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure the vehicle is on a flat surface and the suspension is at ride height before torquing.

Rear Suspension

1

Rear Suspension Trailing Arm Bolts

M14 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Ensure the vehicle is on a flat surface and the suspension is at ride height before torquing.

Wheel

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Always use a torque wrench to tighten lug nuts in a star pattern.

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 are the torque specifications for the lug nuts on a 2012 Dodge Caravan?

The torque specification for the lug nuts on a 2012 Dodge Caravan IS 100 ft-lbs.

Q2

What IS the torque specification for the oil drain plug on a 2019 Dodge Caravan?

The torque specification for the oil drain plug on a 2019 Dodge Caravan IS 29 ft-lbs.

Q3

What IS the torque specification for the spark plugs on a 2008 Dodge Caravan?

The torque specification for the spark plugs on a 2008 Dodge Caravan IS 18 ft-lbs.

Q4

What tools do I need to measure torque?

You will need a torque wrench to measure torque. There are two types of torque wrenches, click-type and beam-type. Click-type torque wrenches are more accurate and easier to use, but beam-type torque wrenches are less expensive.

Q5

How do I use a torque wrench?

To use a torque wrench, first adjust the wrench to the desired torque setting. Then, place the wrench on the bolt or nut that you want to tighten. Pull on the wrench until you hear or feel the wrench click. This indicates that the bolt or nut has been tightened to the correct torque.

Q6

What are the consequences of over-tightening or under-tightening bolts or nuts?

Over-tightening bolts or nuts can damage the threads or strip the bolt or nut. Under-tightening bolts or nuts can cause the bolt or nut to come loose, which can lead to a variety of problems.

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)

Essential for tightening fasteners to precise torque specifications, preventing damage and ensuring proper assembly. This range IS suitable for many applications on the caravan.

  • 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.
  • Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
  • If you're unsure about any procedure, consult a qualified professional mechanic.
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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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