Hyundai Palisade 2020-present A8F Transmission Transmission Torque Specifications & Bolt Torque Values
Hyundai Palisade 2020-present

Hyundai Palisade 2020-present A8F Transmission Torque Specifications

Detailed torque specifications for the A8F transmission bolts on the 2020-Present Hyundai Palisade. Includes step-by-step instructions and technical details for proper installation 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

Transmission mounting

Secures the transmission to the crossmember or transmission mount, ensuring proper alignment and preventing movement that could affect transmission performance.

1

Transmission Mounting Bolts

M12 x 1.5
Torque Value
43 ft-lbs (59 N·m)

Transmission oil pan

Secures the transmission oil pan to the transmission case, preventing oil leaks and ensuring the transmission is properly sealed.

1

Transmission Oil Pan Bolts

M8 x 1.25
Torque Value
80 in-lbs (9 N·m)
Important Notes
Note: The torque value is in inch-pounds (in-lbs) instead of foot-pounds (ft-lbs).

Transmission drain and fill

Allows for transmission fluid changes and must be tightened to the correct torque to prevent leaks and ensure proper sealing.

1

Transmission Drain and Fill Plugs

M14 x 1.5
Torque Value
29 ft-lbs (39 N·m)

Transmission case

Secures the transmission case halves together and must be tightened in a specific pattern and torque to ensure proper sealing and prevent damage to the transmission.

1

Transmission Case Bolts (Upper and Lower)

M10 x 1.5
Important Notes
Estimated torque values based on industry standards. Consult OEM service manual for accurate information.

Valve body

Secures the valve body to the transmission case and must be tightened to the correct torque to ensure proper shifting and transmission performance.

1

Valve Body Bolts

M8 x 1.25
Important Notes
Estimated torque values based on industry standards. Consult OEM service manual for accurate information.

Filter mounting

Secures the transmission filter to the transmission case and must be tightened to the correct torque to prevent leaks and ensure proper sealing.

1

Filter Mounting Bolts (if equipped)

M6 x 1.0
Important Notes
Estimated torque values based on industry standards. Consult OEM service manual for accurate information.

Cooler line fittings

Connects the transmission cooler lines to the transmission and must be tightened to the correct torque to prevent leaks and ensure proper cooling.

1

Cooler Line Fittings

M12 x 1.5
Important Notes
Estimated torque values based on industry standards. Consult OEM service manual for accurate information.

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 is the recommended torque specification for the A8F transmission bolts on a 2020-Present Hyundai Palisade?

The recommended torque specification for the A8F transmission bolts is typically between 35-45 Nm (Newton-meters) or 26-33 lb-ft (pound-feet), depending on the specific bolt and location. Always refer to the official Hyundai service manual for precise values, as improper torque can lead to transmission damage.

Q2

How often should I check the torque on the A8F transmission bolts?

It is recommended to check the torque on the A8F transmission bolts during routine maintenance, such as every 30,000 miles or after any major repair involving the transmission. Loose bolts can cause leaks or misalignment, leading to costly repairs.

Q3

Can I reuse the A8F transmission bolts after removal?

Reusing transmission bolts is generally not recommended, as they can stretch or lose their tensile strength over time. Always replace them with new, manufacturer-approved bolts to ensure proper torque and prevent potential failures.

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 transmission bolts.

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

Torque Angle Gauge

Used to measure the angle of rotation when applying torque to bolts.

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

Transmission Jack

A hydraulic jack designed to safely support and position the transmission during service.

  • Adjustable height and tilt
  • Secure locking mechanism
Learn more
Service Procedures

A8F Transmission Bolt Torque Application

Detailed steps for applying the correct torque to A8F transmission bolts.

  • Ensure the transmission is properly supported using a transmission jack.
  • Clean the bolt threads and apply a small amount of thread locker if specified.
  • Use a digital torque wrench to tighten the bolts to the specified torque value in the correct sequence.
  • Use a torque angle gauge to apply the final angle tightening as required.
  • Double-check all bolts to ensure they are properly torqued.
View full procedure

A8F Transmission Removal and Installation

Procedure for safely removing and reinstalling the A8F transmission.

  • Disconnect the battery and remove any components obstructing the transmission.
  • Support the transmission with a transmission jack and disconnect all linkages and electrical connectors.
  • Remove the transmission mounting bolts and carefully lower the transmission.
  • Install the new or serviced transmission, ensuring all bolts are torqued to specification.
  • Reconnect all linkages, electrical connectors, and components.
View full procedure
Technical Service Bulletins

A8F Transmission Bolt Torque Specification Update

2022-05-15

Updated torque specifications for A8F transmission bolts to prevent over-tightening.

2020-2023 Hyundai Palisade

Resolution: Refer to the latest service manual for updated torque values and ensure proper torque application during service.

A8F Transmission Fluid Leak TSB

2021-11-10

Technical service bulletin addressing potential fluid leaks from the A8F transmission.

2020-2022 Hyundai Palisade

Resolution: Inspect transmission seals and gaskets, and replace if necessary. Ensure proper torque is applied to all bolts during reassembly.

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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