Chrysler Pacifica 2017-present Body Panel & Frame Bolt Torque Specifications
Chrysler Pacifica 2017-present

Chrysler Pacifica 2017-present Body & Frame Bolt Torque Specifications

Detailed torque specifications for various body bolts on the 2017-Present Chrysler Pacifica minivan. Includes torque values in both Newton-meters (Nm) and pound-feet (lb-ft).

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

Fuel System

Torque specifications for components directly related to the vehicle's fuel system.

1

Fuel Tank Strap Bolts

M10 x 1.5
Torque Value
40 ft-lbs (54 N·m)
Important Notes
These bolts secure the fuel tank straps to the vehicle's body or frame. Ensure proper alignment of straps before tightening. Do not overtighten, as this can damage the tank.
2

Fuel Filler Neck Bolts

M6 x 1.0
Torque Value
20 ft-lbs (27 N·m)
Important Notes
These bolts fasten the fuel filler neck to the body panel. Ensure the filler neck gasket is correctly positioned before installation. Do not overtighten, as this can damage the filler neck or the body panel.

Body Panels

Torque specifications for bolts and screws that secure various body panels to the vehicle's structure.

1

Hood Hinge Bolts

M8 x 1.25
Torque Value
18 ft-lbs (24 N·m)
Important Notes
These bolts attach the hood hinges to the body. Ensure hood alignment is correct before tightening fully. Do not overtighten, as this can cause binding or misalignment.
2

Fender Bolts

M6 x 1.0
Torque Value
10 ft-lbs (14 N·m)
Important Notes
Fender bolts secure the fender panels to the vehicle's body. Ensure the fender is correctly aligned before final tightening. Overtightening can damage the panel or the body.
3

Door Hinge Bolts

M10 x 1.5
Torque Value
22 ft-lbs (30 N·m)
Important Notes
Door hinge bolts secure the doors to the vehicle frame. Ensure the door alignment and gap are correct before tightening. Overtightening can damage the door or body.
4

Bumper Cover Retaining Bolts/Screws

M6 x 1.0
Torque Value
6.7 ft-lbs (9 N·m)
Important Notes
These bolts/screws hold the bumper covers onto the vehicle's frame. Do not overtighten, as this can damage the bumper cover. Value converted from inch-lbs to ft-lbs for clarity.
5

Tail Light Mounting Bolts/Screws

M5 x 0.8
Torque Value
6.7 ft-lbs (9 N·m)
Important Notes
These bolts/screws secure the rear tail light assemblies to the body. Do not overtighten, as this can damage the light housing. Value converted from inch-lbs to ft-lbs for clarity.
6

Headlight Mounting Bolts/Screws

M6 x 1.0
Torque Value
6.7 ft-lbs (9 N·m)
Important Notes
These bolts/screws secure the headlight assemblies to the body panels. Do not overtighten, as this can damage the light housing. Value converted from inch-lbs to ft-lbs for clarity.
7

Grille Mounting Bolts/Screws

M5 x 0.8
Torque Value
6.7 ft-lbs (9 N·m)
Important Notes
These bolts/screws hold the front grille to the vehicle's body. Do not overtighten, as this can damage the grille. Value converted from inch-lbs to ft-lbs for clarity.
8

Side View Mirror Mounting Bolts

M6 x 1.0
Torque Value
6.7 ft-lbs (9 N·m)
Important Notes
These bolts secure the side view mirrors to the doors. Ensure proper mirror alignment before final tightening. Value converted from inch-lbs to ft-lbs for clarity.
9

Roof Rack Mounting Bolts

M8 x 1.25
Torque Value
15 ft-lbs (20 N·m)
Important Notes
These bolts secure the roof rack to the roof of the vehicle. Use a calibrated torque wrench. Do not overtighten to prevent leaks and damage. Proper seals are important.

Interior Components

Torque specifications for components located inside the vehicle.

1

Seat Mounting Bolts

M10 x 1.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Seat mounting bolts are critical for passenger safety. Ensure all bolts are correctly installed before final tightening. Do not overtighten.
2

Instrument Panel/Dashboard Mounting Bolts/Screws

M5 x 0.8
Torque Value
6.7 ft-lbs (9 N·m)
Important Notes
These secure the instrument panel to the body. Consistent torque is essential to prevent rattles and ensure a proper fit. Value converted from inch-lbs to ft-lbs for clarity.
3

Console Mounting Bolts/Screws

M5 x 0.8
Torque Value
6.7 ft-lbs (9 N·m)
Important Notes
These bolts secure the center console to the vehicle body. Do not overtighten, as this can damage the console. Value converted from inch-lbs to ft-lbs for clarity.
4

Interior Trim Panel Screws

M4 x 0.7
Torque Value
2.1 ft-lbs (3 N·m)
Important Notes
Interior trim panels are secured to the body with screws. Correct torque is necessary to prevent damage to the trim. Value converted from inch-lbs to ft-lbs for clarity.

Door Components

Torque specifications related to door components.

1

Door Latch Bolts

M6 x 1.0
Torque Value
7.4 ft-lbs (10 N·m)
Important Notes
These secure the door latch mechanism to the door. Overtightening can damage the latch mechanism. Value converted from inch-lbs to ft-lbs for clarity.

Electrical

Torque specifications related to electrical system components.

1

Battery Terminal Nuts

M8 x 1.25
Torque Value
7.9 ft-lbs (11 N·m)
Important Notes
While primarily electrical, the battery is located inside the engine bay, a structure that is part of the vehicle body. Proper torque ensures good electrical contact and also secures the battery to the body. Value converted from inch-lbs to ft-lbs for clarity.
2

Wheel Lug Nuts

M14 x 1.5
Torque Value
100 ft-lbs (136 N·m)
Important Notes
Wheel lug nuts secure the wheels to the vehicle hubs. Proper torque is critical for vehicle safety and even distribution of clamping force. Tighten 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

Why is using the correct torque specification important for body bolts?

Correct torque is crucial for body panel alignment, structural integrity, and preventing loosening due to vibration. Over-tightening can damage threads, deform panels, or even crack the body structure. Under-tightening can lead to rattles, misalignment, and eventual bolt failure. For example, an improperly torqued fender bolt might cause the fender to vibrate excessively or misalign with the hood.

Q2

Do I need to use new bolts when reassembling body panels?

While not always mandatory, using new bolts is recommended, especially for critical areas like door hinges or suspension attachment points. New bolts ensure proper clamping force and reduce the risk of thread damage. If the existing bolts show any signs of wear, rust, or stretching, they must be replaced. For example, when reattaching a bumper cover, it's wise to use new bolts as they are often exposed to the elements.

Q3

What type of lubricant should I use on body bolts?

Generally, most body bolts should be torqued dry unless specifically stated otherwise in the service manual. Some bolts may come pre-coated with a thread locking compound. If required, a light application of a suitable anti-seize compound (NOT grease) can be used to prevent corrosion, however, this might slightly affect the torque reading, so the manual may recommend adjusting accordingly. Never use oil as a lubricant on threads, it will affect the applied torque and could cause over-tightening. For example, hinge bolts may benefit from a light anti-seize application in northern climates.

Q4

What should I do if a bolt feels like it's stripping?

Stop tightening immediately. If the bolt is stripping, it's likely that the threads are being damaged. Attempting to force it further could worsen the issue or damage the receiving threads. Carefully remove the bolt and inspect both the bolt and the receiving threads. If the threads are severely damaged, they will require repair (e.g. with thread repair kits or by replacing the part). For example, forcing a stripped door hinge bolt could ruin the receiving nuts welded into the door frame.

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 (1/2-inch drive)

A 1/2-inch drive torque wrench is essential for accurately tightening body bolts to the correct specifications.

  • Wide torque range to cover various bolt sizes
  • Accurate and reliable readings
Learn more

Torque Wrench (3/8-inch drive)

A 3/8-inch drive torque wrench can be useful for smaller body bolts or access in tighter spaces.

  • Smaller profile for easy maneuverability
  • Precise torque application for smaller fasteners
Learn more

Socket Set (Metric)

A comprehensive metric socket set is required to fit various bolt head sizes used in the body panels of the vehicle.

  • Wide range of socket sizes
  • Durable construction
Learn more

Extension Bars

Extension bars provide extended reach when working with recessed bolts.

  • Various lengths for different applications
  • Secure connection to sockets
Learn more
Service Procedures

Body Bolt Torque Verification

Procedure to check and ensure all body bolts are at their correct torque specifications.

  • Locate the specific body bolt you are inspecting based on diagrams.
  • Consult the appropriate torque specification chart for that location.
  • Using the correctly sized socket and torque wrench, verify the torque. Loosen then retighten the fastener to spec.
  • Document each bolt checked and any necessary adjustments made.
View full procedure

Front Bumper Removal and Installation

Procedure outlining the steps to remove and reinstall the front bumper, including associated body bolt torques.

  • Disconnect any wiring or sensors attached to the bumper.
  • Remove any fasteners holding the bumper to the frame and fenders.
  • Carefully detach the bumper.
  • Reinstall the bumper, aligning panels and securing all bolts to the specified torque.
View full procedure

Rear Bumper Removal and Installation

Procedure outlining the steps to remove and reinstall the rear bumper, including associated body bolt torques.

  • Disconnect any wiring or sensors attached to the bumper.
  • Remove any fasteners holding the bumper to the frame and body.
  • Carefully detach the bumper.
  • Reinstall the bumper, aligning panels and securing all bolts to the specified torque.
View full procedure

Fender Panel Removal and Installation

Procedure for the removal and installation of front or rear fenders, including torque specs for all related fasteners.

  • Remove inner fender lining to access necessary bolts.
  • Remove all fasteners connecting the fender to the vehicle.
  • Carefully detach the fender.
  • Reinstall the fender, aligning panel and securing all bolts to the specified torque.
View full procedure
Technical Service Bulletins

Body Panel Alignment Issues and Bolt Torque

2018-05-15

Addresses reported instances of misaligned body panels and provides updated torque specification to prevent future issues.

2017-2018

Resolution: Verify that all body panels are properly seated before final tightening. Apply the latest recommended torque specifications when replacing any bolts.

Revised Torque Specifications for Bumper Fasteners

2021-03-22

New recommended torque specification for bolts securing front and rear bumpers.

2017-2021

Resolution: Use the torque specifications outlined in this bulletin when installing or reinstalling front and rear bumpers. Do not exceed torque limits or damage may occur.

About the Author

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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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  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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