Dodge Viper 2008-2010 Torque Specifications
Dodge Viper 2008-2010

Dodge Viper 2008-2010 Torque Specifications

Complete Dodge Viper 2008-2010 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

8.4l Engine

Torque specifications for 8.4L Engine

Cylinder Head

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
1. 20 ft-lbs (27 N·m) 2. 90°
Important Notes
Follow the specified torque sequence to ensure proper sealing and prevent warping.
2

Valve Cover Bolts

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

Crankshaft And Bearings

1

Main Bearing Bolts

M10 x 1.25
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Ensure proper alignment of the crankshaft before tightening.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Ensure the connecting rod bearings are properly installed.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure proper tensioning of the timing belt/chain before tightening.
2

Camshaft Sprocket Bolt

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

Intake And Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Ensure the intake manifold gasket is properly seated before tightening.
2

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the exhaust manifold gasket is properly seated before tightening.

Cooling System

1

Water Pump Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the water pump gasket is properly seated before tightening.
2

Thermostat Housing Bolts

M6 x 1.0
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the thermostat housing gasket is properly seated before tightening.

Body

Torque specifications for Body

Suspension And Steering

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
110 ft-lbs (149 N·m)
Important Notes
Critical for safety and proper alignment. Use a star pattern when tightening.
2

Strut/Shock Absorber Mounting Bolts

M10 x 1.25
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Ensure proper damping and stability. Torque with suspension at ride height.
3

Control Arm Bolts

M12 x 1.75
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Critical for alignment and handling. Torque with suspension at ride height.
4

Steering Gear/Rack Bolts

M10 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensures precise steering control. Torque in a crisscross pattern.

Powertrain And Fuel

1

Transmission Mounting Bolts

M10 x 1.25
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensures proper alignment and reduces vibrations.
2

Fuel Tank Strap Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Prevents movement and ensures safety.
3

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensures a proper seal and prevents fuel leaks.

Electrical And Auxiliary

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
8.3 ft-lbs (11 N·m)
Important Notes
Ensures proper electrical connections and prevents corrosion.
2

A/C Compressor Mounting Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensures proper operation and reduces vibrations.
3

A/C Line Fittings

M6 x 1.0
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensures proper refrigerant flow and prevents leaks.

Body Panels And Interior

1

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

M6 x 1.0
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value. Ensures structural integrity and prevents warping.
2

Seat Mounting Bolts

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value. Ensures passenger safety and prevents movement.
3

Door Hinge Bolts

M8 x 1.25
Torque Specification
22.5 ft-lbs (30.5 N·m)
Important Notes
Estimated value. Ensures proper alignment and smooth operation.
4

Hood Hinge Bolts

M8 x 1.25
Torque Specification
22.5 ft-lbs (30.5 N·m)
Important Notes
Estimated value. Ensures proper alignment and prevents vibrations.
5

Bumper Mounting Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Ensures safety and proper alignment.
6

Roof Panel Bolts (if applicable)

M6 x 1.0
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value. Ensures a proper seal and prevents leaks or rattles.
7

Mirror Mounting Bolts

M6 x 1.0
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value. Ensures stability and proper adjustment.

Brakes

Torque specifications for Brakes

Brake Caliper System

1

Brake Caliper Bolts

M10 x 1.25
Torque Specification
38 ft-lbs (51 N·m)
Important Notes
Ensure the caliper is properly aligned before torquing. Use a crisscross pattern if multiple bolts are present.
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Ensure the bracket is properly seated against the steering knuckle or axle before torquing.

Brake Rotor Drum System

1

Brake Disc/Drum Retaining Bolts

M14 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Ensure the rotor or drum is properly seated on the hub before torquing.

Brake Hydraulic System

1

Brake Hose Banjo Bolt

M10 x 1.0
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Use new sealing washers and ensure the banjo fitting is properly aligned before torquing.
2

Brake Master Cylinder Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the master cylinder is properly seated against the brake booster before torquing.

Brake Pedal Booster System

1

Brake Booster Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the booster is properly seated against the firewall before torquing.
2

Brake Pedal Assembly Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the pedal assembly operates smoothly before torquing.

Wheel Attachment System

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
110 ft-lbs (149 N·m)
Important Notes
Use a star pattern to ensure even clamping force on the wheel.

Drivetrain

Torque specifications for Drivetrain

Flywheel And Clutch

1

Flywheel Bolts

M10 x 1.25
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute load.
2

Clutch Pressure Plate Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure bolts are tightened in a star pattern to evenly distribute load.

Transmission

1

Transmission Mounting Bolts

M12 x 1.75
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure proper alignment of the transmission before tightening.
2

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Use a torque wrench to avoid over-tightening and damaging the oil pan.
3

Transmission Drain and Fill Plugs

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure plugs are properly sealed to prevent leaks.
4

Transmission Bellhousing Bolts

M10 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure proper alignment of the bellhousing before tightening.

Driveshaft And Axles

1

Drive Axle/Half Shaft Bolts

M12 x 1.75
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure proper alignment of the axle before tightening.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
185 ft-lbs (251 N·m)
Important Notes
Ensure the axle nut is properly seated to prevent wheel separation.
3

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure proper alignment of the drive shaft before tightening.

Differential And Transfer Case

1

Differential Cover Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure proper sealing of the differential cover to prevent leaks.
2

Differential Drain/Fill Plug

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure plugs are properly sealed to prevent leaks.
3

Transfer Case Drain/Fill Plug

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure plugs are properly sealed to prevent leaks.
4

Transfer Case Mounting Bolts

M12 x 1.75
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure proper alignment of the transfer case before tightening.

Rear Axle

1

Rear Axle Hub Bolts

M14 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Ensure proper alignment of the hub before tightening.

Electrical

Torque specifications for Electrical

Ignition System

1

Ignition Coil Bolt

M6 x 1.0
Torque Specification
5.83 ft-lbs (8 N·m)
Important Notes
Ensure the ignition coil is seated properly before tightening. Torque value is critical to prevent electrical arcing.

Battery System

1

Battery Terminal Nuts

M8 x 1.25
Torque Specification
8.33 ft-lbs (11 N·m)
Important Notes
Ensure terminals are clean and free of corrosion before tightening. Over-tightening can damage the battery posts.

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 flywheel before tightening.

Charging System

1

Alternator Mounting Bolts

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

Grounding System

1

Ground Strap Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the grounding point on the chassis is clean and free of rust or paint.

Fuse And Relay System

1

Fuse Box Mounting Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Ensure the fuse box is securely mounted to prevent vibration-induced damage.

Sensor System

1

Sensor Mounting Bolts (e.g., Crankshaft Position Sensor, Camshaft Position Sensor)

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Ensure the sensor is properly seated and aligned before tightening. Over-tightening can damage the sensor.

Emissions Sensors

Torque specifications for Emissions_sensors

Egr System

1

EGR Valve Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the EGR valve gasket is properly seated before tightening.

Exhaust Manifold

1

Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Follow the manufacturer's recommended torque sequence to avoid warping the manifold.
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure the gasket is properly seated before tightening.

Exhaust Pipe

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the exhaust pipe flange is aligned properly before tightening.
2

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the catalytic converter is properly aligned before tightening.

Oxygen Sensors

1

Oxygen Sensor (O2 Sensor)

M18 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated value based on typical oxygen sensor torque specifications.

Secondary Air Injection

1

Secondary Air Injection System Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Evap System

1

EVAP Canister Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.

Pcv System

1

PCV Valve Mounting Bolt

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

Exhaust

Torque specifications for Exhaust

Exhaust Manifold Headers

1

Exhaust Manifold/Headers to Engine Block Bolts

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.

Exhaust Pipe Connections

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure gasket is properly seated before tightening.
2

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure gasket is properly seated before tightening.
3

Muffler to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Oxygen Sensors

1

Oxygen Sensor Bolts (Upstream/Downstream)

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure sensor threads are clean and free of debris.

Exhaust Support

1

Exhaust Hanger Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure hanger brackets are properly aligned before tightening.
2

Exhaust Heat Shield Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Avoid over-tightening to prevent damage to heat shield or mounting points.

Fuel

Torque specifications for Fuel

Fuel Rail System

1

Fuel Rail Bolts

M6 x 1.0
Torque Specification
7.5 ft-lbs (10 N·m)
Important Notes
Ensure proper alignment of the fuel rail before tightening. Torque in a crisscross pattern.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Ensure injectors are properly seated before tightening.

Fuel Pump System

1

Fuel Pump Mounting Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the fuel pump is properly aligned with the fuel tank before tightening.
2

Fuel Tank Strap Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the fuel tank is properly supported before tightening.

Fuel Delivery System

1

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the filler neck is properly aligned with the fuel tank and body.
2

Fuel Filter Bolt/Nut

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

Fuel Emissions System

1

Fuel Pressure Regulator Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the pressure regulator is properly seated before tightening.
2

Fuel Vapor Canister Bolts

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

Fuel Tank System

1

Fuel Tank Sender Unit Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the sender unit is properly seated before tightening.

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the compressor is properly aligned before tightening. Use a crisscross pattern for even torque distribution.

Ac Lines

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.

Evaporator Core

1

Evaporator Core Housing Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on similar components. Ensure the housing is properly sealed to prevent refrigerant leaks.

Blower Motor

1

Blower Motor Mounting Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on similar components. Ensure the motor is securely mounted to prevent vibrations.

Heater Core

1

Heater Core Inlet/Outlet Fittings

M8 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on similar components. Ensure a leak-free seal to maintain coolant flow.

Hvac Control Module

1

HVAC Control Module Mounting Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on similar components. Ensure the module is securely mounted to prevent electrical issues.

Condenser

1

Condenser Mounting Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure the condenser is properly aligned before tightening. Use a crisscross pattern for even torque distribution.

Suspension

Torque specifications for Suspension

Strut Shock Absorber

1

Strut/Shock Absorber Mounting Bolts

M12 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Critical for maintaining suspension alignment and preventing noise or failure.
2

Lower Strut Mount Bolts

M14 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Estimated value based on similar suspension components. Critical for maintaining alignment and preventing noise.
3

Upper Strut Mount Bolts

M10 x 1.25
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value based on similar suspension components. Ensures the strut remains securely attached.

Control Arm Ball Joint

1

Control Arm Bolts

M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Critical for maintaining wheel alignment and handling.
2

Ball Joint Nut

M16 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Ensures the ball joint remains securely attached, preventing steering instability.

Steering System

1

Tie Rod End Nut

M12 x 1.25
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensures the tie rod remains securely attached, preventing steering play.
2

Steering Gear/Rack Bolts

M12 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensures the steering system remains stable and aligned.

Sway Bar

1

Sway Bar Link Nut

M10 x 1.25
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Ensures the sway bar functions correctly, maintaining vehicle stability.

Drivetrain

1

Drive Axle/Half Shaft Bolts

M12 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensures the drivetrain remains securely connected, preventing vibration or failure.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
185 ft-lbs (251 N·m)
Important Notes
Ensures the CV joint remains securely attached, preventing wheel separation.

Subframe Trailing Arm

1

Subframe Mounting Bolts

M16 x 1.5
Torque Specification
1. 60 ft-lbs (81 N·m) 2. 90°
Important Notes
Ensures the subframe remains securely attached, maintaining suspension geometry.
2

Rear Trailing Arm Bolts

M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Ensures the rear suspension remains aligned and stable.
3

Rear Hub Carrier Bolts

M16 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Ensures the rear wheels remain securely attached, preventing vibration or failure.

Tr6060 Transmission

Torque specifications for Tr6060 Transmission

Flywheel And Clutch

1

Flywheel Bolts

M12 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Ensure the flywheel is properly aligned before tightening.
2

Clutch Pressure Plate Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure the clutch disc is properly aligned before tightening.

Transmission Mounting

1

Transmission Mounting Bolts

M10 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure the transmission is properly aligned before tightening.
2

Transmission Crossmember Bolts

M12 x 1.75
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Ensure the crossmember is properly aligned before tightening.

Oil Pan And Plugs

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
8.75 ft-lbs (12 N·m)
Important Notes
Use a new gasket when reinstalling the oil pan.
2

Transmission Drain Plug

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Use a new crush washer when reinstalling the drain plug.
3

Transmission Fill Plug

M14 x 1.5
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Use a new crush washer when reinstalling the fill plug.

Driveline Components

1

Drive Axle/Half Shaft Bolts

M10 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure the drive axles are properly aligned before tightening.
2

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the drive shaft is properly aligned before tightening.
3

Starter Motor Mounting Bolts

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

Shift Linkage

1

Shift Linkage Bolts

M6 x 1.0
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the shift linkage is properly aligned before tightening.

Cooler Lines

1

Transmission Cooler Line Fittings

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Use new O-rings when reinstalling the cooler line fittings.

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 torque wrench should I use for my 2008-2010 Dodge Viper?

A high-quality click-type torque wrench with a range that covers the specified torque values IS recommended. The torque wrench should be regularly calibrated to ensure accuracy.

Q2

IS it essential to follow the exact torque specifications for my Dodge Viper?

Yes, adhering to the manufacturer's torque specifications IS crucial. Over-tightening or under-tightening bolts can lead to component damage, safety hazards, and potential warranty issues.

Q3

What are the consequences of over-tightening bolts?

Over-tightening bolts can cause thread damage, bolt stretching or snapping, and potential damage to the mating components. It can also make future dismantling difficult.

Q4

What IS the recommended procedure for tightening bolts to the specified torque?

Clean the bolt threads and mating surfaces, apply a specified threadlocker if required, hand-tighten the bolt, and then use a properly calibrated torque wrench to tighten it to the specified torque value. Tighten the bolt in a star pattern to ensure even distribution of force.

Q5

Where can I find the torque specifications for my specific Dodge Viper model?

Refer to the Dodge Viper service manual or a reliable online source that provides manufacturer-specified torque values for your specific year and model.

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 viper.

  • 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

Bolt Tightening and Torque Specifications

General guidelines and procedures for tightening bolts and fasteners on the 2008-2010 Viper

  • Clean all mating surfaces before assembly.
  • Apply a small amount of threadlocker to bolts where specified.
  • Tighten bolts to the specified torque using a calibrated torque wrench.
  • Re-torque critical bolts after approximately 500 miles of driving.
View full procedure
Technical Service Bulletins

TSB 24-001-08: Incorrect Engine Mount Bolt Torque Specifications

2008-06-15

This bulletin provides updated torque specifications for the engine mount bolts on the 2008-2010 Viper.

2008-2010 Viper

Resolution: Replace the engine mount bolts and tighten to the updated torque specifications.

TSB 24-002-09: Differential Cover Bolt Torque Specifications

2009-08-10

This bulletin provides updated torque specifications for the differential cover bolts on the 2008-2010 Viper.

2008-2010 Viper

Resolution: Tighten the differential cover bolts to the updated torque specifications.

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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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