Dodge Sprinter 2018-present Suspension Bolt Torque Specifications & Fastener Values
Dodge Sprinter 2018-present

Dodge Sprinter 2018-present Suspension Bolt Torque Specifications

Detailed torque specifications for suspension bolts on the 2018-Present Dodge Sprinter, including front and rear suspension components.

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

Strut Shock Absorber

This subsystem includes bolts that secure the strut or shock absorber to the vehicle's chassis and suspension components. Proper torque ensures stability, alignment, and noise prevention.

1

Strut/Shock Absorber Mounting Bolts

M10 x 1.25
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Ensure bolts are tightened evenly to prevent misalignment.
2

Upper Strut Mount Bolts

M8 x 1.25
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.
3

Lower Shock Mounting Bolts

M10 x 1.25
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.

Control Arm Ball Joint

This subsystem includes bolts and nuts that secure the control arms and ball joints, which connect the suspension to the chassis and wheel hub. Proper torque ensures suspension geometry and prevents premature wear.

1

Control Arm Bolts

M12 x 1.75
Torque Value
85 ft-lbs (115 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure even clamping force.
2

Ball Joint Nut

M10 x 1.25
Torque Value
55 ft-lbs (75 N·m)
Important Notes
Ensure the ball joint is properly seated before tightening.

Steering Components

This subsystem includes bolts and nuts that secure the steering rack, tie rod ends, and sway bar links. Proper torque ensures precise steering response and stability.

1

Tie Rod End Nut

M8 x 1.25
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Ensure the tie rod end is properly seated before tightening.
2

Sway Bar Link Nut

M10 x 1.25
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Ensure the sway bar link is properly aligned before tightening.
3

Steering Gear/Rack Bolts

M12 x 1.75
Torque Value
85 ft-lbs (115 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure even clamping force.

Wheels Hubs

This subsystem includes wheel lug nuts and rear axle U-bolt nuts, which secure the wheels and axle to the vehicle. Proper torque ensures safety and prevents wheel detachment.

1

Wheel Lug Nuts

M14 x 1.5
Torque Value
110 ft-lbs (150 N·m)
Important Notes
Tighten lug nuts in a star pattern to ensure even clamping force.
2

Rear Axle U-Bolt Nuts

M12 x 1.75
Torque Value
70 ft-lbs (95 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.

Stabilizer Track Bar

This subsystem includes bolts that secure the track bar and stabilizer bar, which prevent lateral movement and body roll during cornering.

1

Track Bar/Stabilizer Bar Mounting Bolts

M10 x 1.25
Torque Value
50 ft-lbs (68 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.

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 suspension bolts on a 2018-Present Dodge Sprinter?

The torque specifications for the suspension bolts vary depending on the specific component. For example, the front suspension lower control arm bolts typically require 125-150 ft-lbs, while the rear suspension shock absorber bolts may require 70-90 ft-lbs. Always refer to the vehicle's service manual for exact specifications.

Q2

How often should suspension bolts be checked for proper torque?

Suspension bolts should be checked for proper torque during routine maintenance, such as every 10,000 miles or after any suspension-related repairs. Additionally, inspect them after driving on rough terrain or if you notice unusual noises or handling issues.

Q3

Can I reuse suspension bolts after removal?

It is generally recommended to replace suspension bolts after removal, especially if they are torque-to-yield (TTY) bolts. Reusing TTY bolts can compromise their integrity and lead to failure. Always consult the service manual for specific guidance.

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

A precision tool for applying accurate torque to suspension bolts.

  • Adjustable torque settings
  • Digital display for precise readings
Learn more

Torque Angle Gauge

Used to measure the angle of rotation when torque-to-yield bolts are used.

  • Magnetic base for easy attachment
  • Clear angle markings
Learn more

Socket Set

A set of sockets for various bolt sizes on the suspension system.

  • Includes both metric and standard sizes
  • Durable chrome vanadium construction
Learn more
Service Procedures

Front Suspension Bolt Torque Application

Procedure for applying the correct torque to front suspension bolts on a 2018-Present Dodge Sprinter.

  • Lift the vehicle and secure it on jack stands.
  • Remove the front wheels to access the suspension components.
  • Using a torque wrench, tighten the lower control arm bolts to 120 Nm (89 lb-ft).
  • Tighten the strut-to-knuckle bolts to 90 Nm (66 lb-ft) plus an additional 90-degree turn.
  • Reinstall the wheels and lower the vehicle.
View full procedure

Rear Suspension Bolt Torque Application

Procedure for applying the correct torque to rear suspension bolts on a 2018-Present Dodge Sprinter.

  • Lift the vehicle and secure it on jack stands.
  • Remove the rear wheels to access the suspension components.
  • Using a torque wrench, tighten the rear axle U-bolts to 130 Nm (96 lb-ft).
  • Tighten the shock absorber mounting bolts to 70 Nm (52 lb-ft).
  • Reinstall the wheels and lower the vehicle.
View full procedure
Technical Service Bulletins

Suspension Bolt Torque Specification Update

2021-05-15

Updated torque specifications for suspension bolts on 2018-Present Dodge Sprinter models.

2018-2023 Dodge Sprinter

Resolution: Refer to the latest service manual for updated torque values and ensure all bolts are tightened to the new specifications.

Recall for Suspension Bolt Failure

2020-08-10

Recall issued for potential suspension bolt failure due to incorrect torque application.

2018-2020 Dodge Sprinter

Resolution: Inspect and retorque all suspension bolts to the specified values. Replace any bolts showing signs of wear or damage.

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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