Hyundai Accent 2012-2017 Drivetrain Bolt Torque Specifications & Fastener Values
Hyundai Accent 2012-2017

Hyundai Accent 2012-2017 Drivetrain Bolt Torque Specifications

Comprehensive torque specifications for drivetrain bolts on the 2012-2017 Hyundai Accent, including engine mounts, transmission mounts, and drive shaft components. Provides detailed procedures for safe and proper tightening.

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

Engine To Transmission

Components that connect the engine to the transmission, including the flywheel, crankshaft pulley, and engine block to transmission bellhousing bolts.

1

Flywheel Bolts

M12 x 1.5
Torque Value
94 ft-lbs (128 N·m)
Important Notes
Proper torque is essential to prevent damage to the flywheel, crankshaft, and transmission.
2

Crankshaft Pulley/Harmonic Balancer Bolt

M14 x 1.5
Torque Value
94 ft-lbs (128 N·m)
Important Notes
Proper torque is necessary to maintain engine balance and prevent damage to the crankshaft.
3

Engine Block to Transmission Bellhousing Bolts

M10 x 1.5
Torque Value
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on general industry standards. Proper torque is essential to prevent engine movement and damage to the transmission.

Transmission Mounting

Components that secure the transmission to the engine block or transmission crossmember, including the transmission mounting bolts and transmission crossmember bolts.

1

Transmission Mounting Bolts

M12 x 1.5
Torque Value
65 ft-lbs (88 N·m)
Important Notes
Proper torque is essential to prevent transmission movement and damage.
2

Transmission Crossmember Bolts

M14 x 1.5
Torque Value
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on general industry standards. Proper torque is necessary to prevent transmission movement and damage.

Drive Axle And Half Shaft

Components that secure the drive axle and half shaft to the transmission or differential, including the drive axle/half shaft bolts and drive axle/half shaft nut (inner).

1

Drive Axle/Half Shaft Bolts

M12 x 1.5
Torque Value
65 ft-lbs (88 N·m)
Important Notes
Proper torque is necessary to prevent axle movement and damage.
2

Drive Axle/Half Shaft Nut (inner)

M16 x 1.5
Torque Value
90 ft-lbs (122 N·m)
Important Notes
Estimated value based on general industry standards. Proper torque is essential to prevent axle movement and damage.

Cv Joint And Axle

Components that secure the CV joint to the axle, including the CV joint/axle nut.

1

CV Joint/Axle Nut

M18 x 1.5
Torque Value
141 ft-lbs (191 N·m)
Important Notes
Proper torque is essential to prevent CV joint damage and maintain proper axle alignment.

Propeller And Drive Shaft

Components that secure the drive shaft to the transmission or differential, including the propeller/drive shaft bolts.

1

Propeller/Drive Shaft Bolts

M12 x 1.5
Torque Value
65 ft-lbs (88 N·m)
Important Notes
Proper torque is necessary to prevent drive shaft movement and damage.

Transmission Oil Pan

Components that secure the oil pan to the transmission, including the transmission oil pan bolts.

1

Transmission Oil Pan Bolts

M8 x 1.25
Torque Value
8 ft-lbs (11 N·m)
Important Notes
Proper torque is essential to prevent oil leaks and damage to the transmission.

Transmission Drain And Fill

Components that secure the transmission fluid reservoir, including the transmission drain and fill plugs.

1

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Value
36 ft-lbs (49 N·m)
Important Notes
Proper torque is necessary to prevent fluid leaks and damage to the transmission.

Differential

Components that secure the differential fluid reservoir and differential cover, including the differential drain/fill plug and differential cover bolts.

1

Differential Drain/Fill Plug

M12 x 1.5
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Proper torque is essential to prevent fluid leaks and damage to the differential.
2

Differential Cover Bolts

M10 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on general industry standards. Proper torque is necessary to prevent fluid leaks and damage to the differential.

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 drivetrain bolts?

Incorrect torque settings on drivetrain bolts can lead to premature failure. Too little torque allows bolts to loosen, potentially causing catastrophic damage during operation (e.g., a wheel falling off during driving). Too much torque can strip the bolt heads or damage the threads, requiring costly repairs or replacement parts.

Q2

What if I don't have the right torque wrench?

Using a torque wrench is crucial. If you don't have one, consider borrowing one or visiting a professional mechanic. Using an incorrect method (e.g., guessing the tightness based on hand-feel) is extremely dangerous and can lead to serious damage.

Q3

How often should I check and potentially re-torque drivetrain bolts?

Regular maintenance is key. Check drivetrain bolts (especially wheel lug nuts) after 500 miles (800 km) of driving and then every 10,000 miles (16,000 km). This is especially important after any suspension work, alignment adjustments, or driving over rough terrain. Check the manufacturer's recommendations for specific intervals.

Q4

What if I find a loose drivetrain bolt during maintenance?

Immediately stop work. A loose bolt indicates a potential problem that needs immediate attention. Do not drive the vehicle until the loose bolt is properly tightened to the specified torque. This could prevent accident or serious injury.

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

A calibrated torque wrench is essential for accurate torque application.

  • Digital readout for precise torque settings
  • Multiple torque settings for various fasteners
  • Durable construction for long-term use
Learn more

Socket Set (Metric)

A set of metric sockets for accessing various bolt heads.

  • Various sizes for different bolt heads
  • Made of durable chrome vanadium steel
Learn more

Ratchet

A ratchet is needed for applying torque to bolts.

  • Different ratchet sizes for different needs
  • Durable construction for high-torque applications
Learn more

Torque Wrench Adapter Set

Adapters for specialized applications on the drivetrain

  • Variety of adapters for different bolt head types
  • Allows precise torque application on hard-to-reach bolts
Learn more
Service Procedures

Front Axle Shaft Bolt Torque Procedure

Procedure for tightening front axle shaft bolts to the correct torque specifications.

  • Ensure the vehicle is securely supported on jack stands.
  • Loosen all bolts slightly.
  • Tighten bolts in a star pattern to the specified torque.
  • Verify the torque with a calibrated torque wrench.
  • Repeat the procedure for all bolts.
View full procedure

Transmission Mount Bolt Torque Procedure

Procedure for tightening transmission mount bolts to the correct torque specifications.

  • Support the transmission.
  • Loosen all bolts.
  • Tighten bolts in a crisscross pattern to the specified torque.
  • Verify the torque with a calibrated torque wrench.
  • Repeat the procedure for all bolts.
View full procedure

Differential Mount Bolt Torque Procedure

Procedure for tightening differential mount bolts to the correct torque specifications.

  • Support the rear of the vehicle.
  • Loosen all bolts slightly.
  • Tighten bolts evenly and progressively.
  • Verify the torque with a calibrated torque wrench.
  • Repeat the procedure for all bolts.
View full procedure
Technical Service Bulletins

Transmission Mount Bolt Failure

2015-03-15

Some 2012-2015 Hyundai Accent vehicles may experience premature failure of transmission mount bolts due to insufficient torque during installation.

2012-2015 Hyundai Accent

Resolution: Ensure proper torque application during transmission mount installation. Refer to the updated service manual for torque specifications.

Front Axle Shaft Bolt Torque Specification Update

2016-10-27

Updated torque specifications for front axle shaft bolts to address potential loosening issues.

2012-2017 Hyundai Accent

Resolution: Use the updated torque specifications from the revised service manual.

About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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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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