Dodge Ram 2500 1994-2002 46RE Transmission Transmission Torque Specifications & Bolt Torque Values
Dodge Ram 2500 1994-2002

Dodge Ram 2500 1994-2002 46RE Transmission Torque Specifications

Detailed torque specifications for the 46RE transmission bolts in the 1994-2002 Dodge RAM 2500. Includes bolt sizes, torque values, and installation tips.

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 Pan

The transmission pan houses the transmission fluid and is sealed with a gasket. Proper torque ensures a leak-free seal and prevents damage to the gasket.

1

Transmission Pan Bolts

M6 x 1.0
Torque Value
14 ft-lbs (19 N·m)
Important Notes
Use a crisscross torque sequence to ensure even pressure. Estimated based on industry standards for M6x1.0 bolts.

Valve Body

The valve body controls hydraulic pressure and gear shifts. Proper torque prevents warping and ensures smooth operation.

1

Valve Body Bolts

M6 x 1.0
Torque Value
9 ft-lbs (12 N·m)
Important Notes
Use a crisscross torque sequence. Estimated based on similar Dodge transmission models.

Torque Converter

The torque converter connects the engine to the transmission. Proper torque ensures smooth operation and prevents drivetrain vibration.

1

Torque Converter-to-Flexplate Bolts

M10 x 1.5
Torque Value
38 ft-lbs (52 N·m)
Important Notes
Use thread locker as specified. Estimated based on similar Dodge RAM 2500 specifications.

Bellhousing

The bellhousing connects the transmission to the engine. Proper torque ensures alignment and prevents leaks.

1

Bellhousing-to-Engine Bolts

M10 x 1.5
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Use a crisscross torque sequence. Estimated based on industry standards for M10x1.5 bolts.

Transfer Case

The transfer case distributes power to the front and rear axles. Proper torque ensures a solid connection and prevents drivetrain vibration.

1

Transmission-to-Transfer Case Bolts

M10 x 1.5
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Estimated based on similar Dodge 4x4 models.

Output Shaft

The output shaft transmits power from the transmission to the drivetrain. Proper torque ensures the drivetrain operates without slippage or failure.

1

Output Shaft Nut

M24 x 1.5
Torque Value
190 ft-lbs (258 N·m)
Important Notes
Estimated based on industry standards for large output shaft nuts.

Transmission Mount

The transmission mount secures the transmission to the frame. Proper torque ensures stability and reduces vibration.

1

Transmission Mount Bolts

M10 x 1.5
Torque Value
45 ft-lbs (61 N·m)
Important Notes
Estimated based on similar Dodge RAM models.

Oil Pump

The oil pump ensures proper fluid circulation within the transmission. Proper torque prevents leaks and ensures proper oil pressure.

1

Oil Pump Bolts

M8 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Use a crisscross torque sequence. Estimated based on industry standards for M8x1.25 bolts.

Stator Support

The stator support is part of the torque converter assembly. Proper torque ensures proper operation of the torque converter.

1

Stator Support Bolts

M8 x 1.25
Torque Value
23 ft-lbs (31 N·m)
Important Notes
Estimated based on similar transmission designs.

Shift Mechanism

The shift mechanism controls gear selection. Proper torque ensures smooth shifting and prevents looseness.

1

Shift Lever Bolt

M8 x 1.25
Torque Value
18 ft-lbs (24 N·m)
Important Notes
Estimated based on industry standards for M8x1.25 bolts.

Cooler Lines

The transmission cooler lines carry fluid to and from the transmission cooler. Proper torque prevents leaks and ensures proper fluid flow.

1

Transmission Cooler Line Fittings

M12 x 1.5
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Estimated based on industry standards for flare fittings.

Case Assembly

The transmission case houses internal components. Proper torque ensures alignment and prevents leaks.

1

Transmission Case Bolts (Main Case to Extension Housing)

M8 x 1.25
Torque Value
28 ft-lbs (38 N·m)
Important Notes
Use a crisscross torque sequence. Estimated based on similar Dodge transmission models.

Parking Pawl

The parking pawl locks the transmission output shaft when the vehicle is in park. Proper torque ensures the parking mechanism operates correctly.

1

Parking Pawl Shaft Bolt

M6 x 1.0
Torque Value
18 ft-lbs (24 N·m)
Important Notes
Estimated based on similar transmission designs.

Servo Cover

The servo cover houses the servo mechanism, which controls clutch engagement. Proper torque ensures proper operation and prevents leaks.

1

Servo Cover Bolts

M6 x 1.0
Torque Value
11 ft-lbs (15 N·m)
Important Notes
Use a crisscross torque sequence. Estimated based on industry standards for M6x1.0 bolts.

Neutral Safety Switch

The neutral safety switch prevents the vehicle from starting in gear. Proper torque ensures proper electrical connection and prevents damage to the switch.

1

Neutral Safety Switch Bolt

M6 x 1.0
Torque Value
9 ft-lbs (12 N·m)
Important Notes
Estimated based on similar Dodge models.

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 46RE transmission pan bolts?

The torque specification for the 46RE transmission pan bolts is 12-15 ft-lbs (16-20 Nm). Over-tightening can damage the pan or strip the threads, while under-tightening can lead to leaks. Always use a torque wrench for precision.

Q2

How often should I check the torque on my 46RE transmission bolts?

It is recommended to check the torque on critical bolts, such as the bellhousing and pan bolts, during routine maintenance or after any transmission service. For example, after replacing the transmission filter or fluid, recheck the torque to ensure proper sealing and alignment.

Q3

Can I reuse the 46RE transmission pan bolts?

Yes, you can reuse the pan bolts if they are in good condition and not stripped or damaged. However, it is recommended to replace the gasket and ensure the bolts are torqued correctly to prevent leaks. Some mechanics prefer using new bolts for peace of mind.

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 precision tool for applying specific torque to bolts.

  • Adjustable torque settings
  • Durable construction for heavy-duty use
Learn more

Socket Set

A set of sockets for various bolt sizes.

  • Includes metric and standard sizes
  • Compatible with torque wrench
Learn more

Thread Locker

A chemical compound to secure bolts in place.

  • Prevents loosening due to vibration
  • High-temperature resistance
Learn more
Service Procedures

46RE Transmission Bolt Torque Specifications

Detailed steps to properly torque the bolts on a 46RE transmission.

  • Ensure the transmission is securely mounted on a workbench or vehicle.
  • Clean all bolt threads and mating surfaces to ensure proper torque application.
  • Apply thread locker to the bolts as specified in the service manual.
  • Using a torque wrench, tighten the transmission pan bolts to 12-15 ft-lbs in a crisscross pattern.
  • Tighten the bellhousing bolts to 55-65 ft-lbs in a star pattern.
  • Tighten the torque converter bolts to 25-35 ft-lbs in a sequential pattern.
  • Double-check all bolts to ensure they meet the specified torque values.
View full procedure
Technical Service Bulletins

46RE Transmission Bolt Loosening Issue

2001-05-15

Reports of transmission bolts loosening over time due to vibration.

1994-2002 Dodge RAM 2500

Resolution: Apply thread locker to all transmission bolts and ensure proper torque specifications are followed during installation.

46RE Transmission Fluid Leak from Pan Bolts

2000-08-22

Fluid leaks reported from the transmission pan due to improper torque on pan bolts.

1994-2002 Dodge RAM 2500

Resolution: Replace the transmission pan gasket and torque the pan bolts to 12-15 ft-lbs in a crisscross pattern.

About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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