Chrysler Voyager 2020-present Electrical System Bolt Torque Specifications & Ground Points
Chrysler Voyager 2020-present

Chrysler Voyager 2020-present Electrical System Bolt Torque Specifications

Detailed torque specifications for electrical bolts on the 2020-Present Chrysler Voyager, including various components and connection points. Values are provided in Newton-meters (Nm) and Foot-pounds (ft-lb).

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

Ignition System

Torque specifications for components within the ignition system, ensuring reliable electrical connections.

1

Ignition Coil Mounting Bolt

M6 x 1.0
Torque Value
5.83 ft-lbs (8 N·m)
Important Notes
Ensure coil mounting surface is clean. Torque to specification to prevent poor contact or damage.

Starting System

Torque specifications for the starter motor and related components, ensuring reliable starting.

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Ensure proper starter alignment during installation. Torque bolts evenly to prevent binding.

Charging System

Torque specifications for the alternator and related components, ensuring proper charging and voltage regulation.

1

Alternator Mounting Bolts

M10 x 1.5
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Ensure proper alignment and belt tension after torquing.

Battery System

Torque specifications for the battery terminals, ensuring good electrical connections.

1

Battery Terminal Nuts

M6 x 1.0
Torque Value
5.83 ft-lbs (8 N·m)
Important Notes
Clean terminals and ensure proper cable contact before torquing. Over-tightening can damage terminals.

Engine Control Module

Torque specifications for the ECM/PCM mounting, ensuring proper grounding and reliable operation.

1

ECM/PCM Mounting Bolts

M6 x 1.0
Torque Value
6.67 ft-lbs (9 N·m)
Important Notes
Ensure the ECM/PCM mounting points are clean and free of corrosion. This is an estimated value.

Grounding System

Torque specifications for ground strap connections, ensuring solid electrical connections.

1

Ground Strap/Wire Terminal Bolts

M6 x 1.0
Torque Value
7.5 ft-lbs (10 N·m)
Important Notes
Ensure contact points are clean and free of rust or corrosion. This is an estimated value.

Body Control Module

Torque specifications for BCM mounting, ensuring correct installation and grounding.

1

BCM Mounting Bolts

M6 x 1.0
Torque Value
6.67 ft-lbs (9 N·m)
Important Notes
Ensure the BCM mounting surface is clean. Torque evenly to prevent damage. This is an estimated value.

Power Distribution

Torque specifications for mounting bolts securing the fuse box/power distribution center.

1

Fuse Box/Power Distribution Center Mounting Bolts

M6 x 1.0
Torque Value
6.67 ft-lbs (9 N·m)
Important Notes
Ensure the mounting surface is clean. Torque evenly to prevent damage or misalignment. This is an estimated value.

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

Why are torque specifications important for electrical connections?

Correct torque ensures a secure, low-resistance electrical connection. Under-torquing can lead to loose connections, causing arcing, overheating, and potential component failure. Over-torquing can damage threads, connectors, and wiring, also leading to failures and difficult repairs. For instance, a loose battery terminal due to under-torquing might prevent starting, while an over-torqued sensor ground can damage the sensor housing.

Q2

Where can I find the correct torque specifications for my specific 2020-Present Chrysler Voyager electrical component?

The most reliable source for torque specifications is the official Chrysler service manual for your specific model year. This document provides detailed information including diagrams and torque values for all components. Some aftermarket repair databases, like Alldata or Mitchell, also provide this information. Check the specific section for the component you are working on. For example, the torque for a battery terminal might differ from the torque for a Body Control Module (BCM) connector.

Q3

Can I use a generic torque specification guide for all electrical connections?

No. Generic guides are often based on bolt size and material type. Electrical connections often involve specific materials, terminal designs, and components which need precise torque to guarantee proper function. Always use the manufacturer-specified torque for every electrical connection. For example, a sensor connector might require a lower torque than a body ground point to avoid damaging the sensor.

Q4

What tools should I use to apply the correct torque?

Always use a calibrated torque wrench. A click-type torque wrench is common and provides an audible click when the set torque is reached. For very low torque values often needed in sensor connectors, a specialized inch-pound torque wrench may be needed. Avoid using a regular wrench and guessing the torque, it leads to unreliable and potentially dangerous connections. For example, a torque setting for the BCM ground of 106 in-lbs must be obtained with a proper torque wrench.

Q5

What should I do if I damage threads on an electrical connection?

If the threads on a connector or housing are damaged, do not force the bolt. This can cause further damage or strip the threads. The best practice is to repair the threads with a thread repair kit. If thread damage is substantial, replacing the component that has the damaged thread may be the only option. For example, if the threads in the body ground point are damaged it should be repaired properly before re-assembly.

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

Torque Wrench (1/4-inch Drive)

A calibrated torque wrench for accurately tightening small electrical connections.

  • Precise torque settings
  • Click-type indicator
  • Reversible ratchet head
Learn more

Torque Wrench (3/8-inch Drive)

A calibrated torque wrench for tightening larger electrical connections and terminals.

  • Wider torque range
  • Digital or analog display
  • Durable construction
Learn more

Socket Set (Metric)

A set of metric sockets, specifically for small nuts and bolts commonly used in automotive electrical systems.

  • Variety of sizes
  • Shallow and deep sockets
  • Durable material
Learn more

Extension Bars

Extension bars to reach recessed electrical fasteners.

  • Various lengths
  • Secure connection
  • Chrome or alloy steel
Learn more
Service Procedures

Battery Terminal Torque Procedure

Procedure for properly torquing battery terminals to ensure secure and reliable electrical connections.

  • Disconnect the negative battery terminal.
  • Clean battery terminals and connectors of any corrosion.
  • Attach the positive terminal connector and tighten to 6-8 Nm.
  • Attach the negative terminal connector and tighten to 6-8 Nm.
  • Ensure terminal connections are snug and do not wobble.
  • Double check with the 1/4 inch drive torque wrench.
View full procedure

Ground Connection Torque Procedure

Procedure for properly torquing ground connections to ensure proper electrical grounding.

  • Locate the ground connection point.
  • Clean the connection area of any rust or debris.
  • Attach ground wire and connector.
  • Tighten the ground connection bolt to 8-10 Nm using a 3/8-inch drive torque wrench.
  • Verify a secure and tight connection.
View full procedure

Fuse Box Terminal Torque Procedure

Procedure for properly torquing fuse box terminals to ensure proper electrical power distribution.

  • Locate the terminal connection.
  • Visually inspect terminal connection for any abnormalities.
  • Attach the wire to the terminal.
  • Tighten connection to 2-3 Nm using a 1/4-inch drive torque wrench.
  • Verify a snug connection without over tightening.
View full procedure
Technical Service Bulletins

TSB 23-001-22: Intermittent Electrical Issues Due to Loose Ground Connections

2022-03-15

Some 2020-2022 Voyager models may exhibit intermittent electrical issues due to loose ground connections at various body and chassis points.

2020-2022

Resolution: Inspect and tighten all ground connections to the specified torque of 8-10 Nm. Clean connections with a wire brush.

TSB 18-056-21: Battery Terminal Corrosion and Torque Specifications

2021-11-20

This bulletin addresses battery terminal corrosion and the proper torque specification for battery terminal connectors. Improper torque can lead to electrical issues.

2020-2021

Resolution: Inspect battery terminals for corrosion. Clean as needed. Tighten battery terminals to 6-8 Nm. Use the 1/4 inch drive torque wrench.

TSB 08-012-23: Fuse Box Terminal Connection Issues

2023-06-01

This bulletin covers reported issues of intermittent electrical problems caused by loose connections at the fuse box terminals.

2020-2023

Resolution: Inspect all fuse box terminal connections for looseness. Tighten to specified torque of 2-3 Nm. Use 1/4 inch drive torque wrench.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

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