Transmission and Drivetrain: Technical Service Bulletins
- Recalls
- Customer Interest
- Engine - Diagnosing Vibration
- Brakes, Rear - Moan, Howl Noise Upon Light Acceleration
- Driveline - Center Bearing Wear and Driveline Noise
- Driveline - Stop Clunk
- A/T - Driveline Rattle at 40 MPH W/TCC Engaged
- A/T - Driveline Rattle With TCC Engaged
- M/T Clutch - Shudder or Chatter on Launch
- M/T - Noise In Neutral
- M/T - Neutral Gear Noise
- Differntial (Front) - Axle Leak Through Remote Vent
- Driveline - Front Axle Fluid Leaks Through Remote Vent
- Front Axle - Actuator Does Not Engage
- Drivetrain - Front Axle Growl Noise in 2wd Only
- Transfer Case - High Shift Effort
- TCC - False Code 32/ Possible MIL ON
- A/T - Harsh Shift/3-4 Shift Cycling
- A/T - Fluid Out Vent Diagnostic Tips
- A/T - Fluid Leak Near Front Pump (Bushing Walkout)
- A/T - 4L60 Slipping or No 3rd/4th Gear
- A/T - Low Power/Lack of Performance With 4L80E
- A/T - Binding or Inoperative In Reverse
- Clutch Pedal - Pop or Scrape Noise When Depressed
- Locking Rear Axle - Chatters onTurns
- A/T - Burned Forward/Direct Clutch
- A/T - Forward and Reverse Engagement Shift Feel
- A/T - Premature Wear of Direct Clutch
- A/T - Poor Reverse Engagement Shift Feel
- A/T - Buzzing Noise at Idle
- M/T - Gear Oil Smell In Vehicles
- A/T - Harsh Park/Neutral to Reverse Engagement
- A/T - New Lube Window and Band Apply/Anchor Brackets
- A/T - Park/Neutral to Reverse Shift Feel
- A/T - Slipping/No Reverse/No Manual 2-1 Gear Downshift
- M/T - Fluid Leak Out the Vent
- M/T - Gear Rattle In Forward Gears/Shift Lever Rattle
- M/T - Neutral/Drive Gear Rattle
- M/T - No 4th Gear or Hard Shift Into 4th Gear
- M/T - Noise, Rattle, Clicking In 2nd/4th Gear
- M/T - Rattle/Clicking Noise in 2nd and/or 4th Gear
- A/T - Paint Flakes In Fluid
- Drive Axle - Front Wiring Harness
- A/T - Erratic or No Upshift (New Governor Driven Gear)
- A/T - 4L60 Stuck In First Gear
- Transfer Case - Shift Effort High in Cold Temperatures
- A/T - No Engine Braking In Drive 2 (D2) Selection
- M/T - Fluid Leak New Design Vent
- Differential - Front Axle Fluid Leak Through Remote Vent
- Transfer Case Vent - Fluid Leak
- M/T - Noises In Forward Gears/Shift Lever Rattle
- M/T - Shift Lever Rattle or Buzz
- Driving Axle (Front) - Fluid Leak From Vent
- A/T - Extension Seal Leaks
- Drivetrain - Rear Axle Pinion Seal Leak
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - No Movement in Drive or 3rd Gear
- By Symptom
- Abnormal wear/deterioration
- A/T - Burned Forward/Direct Clutch
- A/T - Burned Forward/Direct Clutchs
- A/T - Premature Wear of Direct Clutch
- A/T - 4L60/700R4 Rear Planet Failure/Lack Of Lube
- A/T - 700R4 Rear Planet Failure/Lack of Lube
- A/T - 200 4R & 700 R4 Pump Failure
- A/T - Front Bushing Wear
- Drive Axle - Front Wiring Harness
- A/T - Extension Seal Leaks
- Chattering
- Customer Interest
- Engine - Diagnosing Vibration
- Brakes, Rear - Moan, Howl Noise Upon Light Acceleration
- Driveline - Center Bearing Wear and Driveline Noise
- Driveline - Stop Clunk
- A/T - Driveline Rattle at 40 MPH W/TCC Engaged
- A/T - Driveline Rattle With TCC Engaged
- M/T Clutch - Shudder or Chatter on Launch
- M/T - Noise In Neutral
- M/T - Neutral Gear Noise
- Differntial (Front) - Axle Leak Through Remote Vent
- Driveline - Front Axle Fluid Leaks Through Remote Vent
- Front Axle - Actuator Does Not Engage
- Drivetrain - Front Axle Growl Noise in 2wd Only
- Transfer Case - High Shift Effort
- TCC - False Code 32/ Possible MIL ON
- A/T - Harsh Shift/3-4 Shift Cycling
- A/T - Fluid Out Vent Diagnostic Tips
- A/T - Fluid Leak Near Front Pump (Bushing Walkout)
- A/T - 4L60 Slipping or No 3rd/4th Gear
- A/T - Low Power/Lack of Performance With 4L80E
- A/T - Binding or Inoperative In Reverse
- Clutch Pedal - Pop or Scrape Noise When Depressed
- Locking Rear Axle - Chatters onTurns
- A/T - Burned Forward/Direct Clutch
- A/T - Forward and Reverse Engagement Shift Feel
- A/T - Premature Wear of Direct Clutch
- A/T - Poor Reverse Engagement Shift Feel
- A/T - Buzzing Noise at Idle
- M/T - Gear Oil Smell In Vehicles
- A/T - Harsh Park/Neutral to Reverse Engagement
- A/T - New Lube Window and Band Apply/Anchor Brackets
- A/T - Park/Neutral to Reverse Shift Feel
- A/T - Slipping/No Reverse/No Manual 2-1 Gear Downshift
- M/T - Fluid Leak Out the Vent
- M/T - Gear Rattle In Forward Gears/Shift Lever Rattle
- M/T - Neutral/Drive Gear Rattle
- M/T - No 4th Gear or Hard Shift Into 4th Gear
- M/T - Noise, Rattle, Clicking In 2nd/4th Gear
- M/T - Rattle/Clicking Noise in 2nd and/or 4th Gear
- A/T - Paint Flakes In Fluid
- Drive Axle - Front Wiring Harness
- A/T - Erratic or No Upshift (New Governor Driven Gear)
- A/T - 4L60 Stuck In First Gear
- Transfer Case - Shift Effort High in Cold Temperatures
- A/T - No Engine Braking In Drive 2 (D2) Selection
- M/T - Fluid Leak New Design Vent
- Differential - Front Axle Fluid Leak Through Remote Vent
- Transfer Case Vent - Fluid Leak
- M/T - Noises In Forward Gears/Shift Lever Rattle
- M/T - Shift Lever Rattle or Buzz
- Driving Axle (Front) - Fluid Leak From Vent
- A/T - Extension Seal Leaks
- Drivetrain - Rear Axle Pinion Seal Leak
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - No Movement in Drive or 3rd Gear
- Driveability
- Erratic Shifting
- A/T - 700R4 No 4th, Late 4th, Falls Out Of 4th
- A/T - Converter Clutch Shudder
- A/T - 125, 200C/200 4R, 700 R4 Hidden Residue Build Up
- A/T - 200 4R & 700 R4 Pump Failure
- A/T - THM 400 Too Sensitive 3-2 Downshift
- A/T - Erratic or No Upshift (New Governor Driven Gear)
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- False instrument warning light/gauges
- Hard Selection
- Hard Shifting
- Hard shifting/Stiff clutch
- Hunting-Surging
- Incorrect gear selection
- Inoperative
- Leaks
- Differntial (Front) - Axle Leak Through Remote Vent
- Driveline - Front Axle Fluid Leaks Through Remote Vent
- A/T - Fluid Leak Near Front Pump (Bushing Walkout)
- M/T - Fluid Leak Out the Vent
- M/T - New Leak Resistant Styrene Rubber Coated Gaskets
- M/T - Fluid Leak New Design Vent
- Differential - Front Axle Fluid Leak Through Remote Vent
- Transfer Case Vent - Fluid Leak
- Driving Axle (Front) - Fluid Leak From Vent
- A/T - Extension Seal Leaks
- Drivetrain - Rear Axle Pinion Seal Leak
- Loose
- No shift/Incorrect gear engagement
- A/T - 4L60 Slipping or No 3rd/4th Gear
- A/T - Binding or Inoperative In Reverse
- A/T - Slipping/No Reverse/No Manual 2-1 Gear Downshift
- A/T - 700R4 No 4th, Late 4th, Falls Out Of 4th
- A/T - 200/200C/200R4, 325/3254L, 700-R4 No 2nd Gear
- A/T - THM Late or No Upshifts
- A/T - 700R4 No 2nd, No 4th and No TCC
- A/T - Delayed Forward Engagement/Burnt 3-4 Clutches
- A/T - 700R4 Low And Reverse Clutch Failure
- A/T - Slipping or No-Shift/Metal Sealing Rings
- A/T - No Upshift/Governor Contamination
- A/T - THM 400 No Reverse
- A/T - Erratic or No Upshift (New Governor Driven Gear)
- A/T - 4L60 Stuck In First Gear
- Noise
- Brakes, Rear - Moan, Howl Noise Upon Light Acceleration
- Driveline - Center Bearing Wear and Driveline Noise
- Driveline - Stop Clunk
- A/T - Driveline Rattle at 40 MPH W/TCC Engaged
- A/T - Driveline Rattle With TCC Engaged
- M/T Clutch - Shudder or Chatter on Launch
- M/T - Noise In Neutral
- M/T - Neutral Gear Noise
- Drivetrain - Front Axle Growl Noise in 2wd Only
- Clutch Pedal - Pop or Scrape Noise When Depressed
- Locking Rear Axle - Chatters onTurns
- A/T - Click/Whine In Third/Fourth Gear
- A/T - Buzzing Noise at Idle
- M/T - Gear Rattle In Forward Gears/Shift Lever Rattle
- M/T - Neutral/Drive Gear Rattle
- M/T - Noise, Rattle, Clicking In 2nd/4th Gear
- M/T - Rattle/Clicking Noise in 2nd and/or 4th Gear
- M/T - Noises In Forward Gears/Shift Lever Rattle
- M/T - Shift Lever Rattle or Buzz
- Odors
- Pops out of gear
- Recalls
- Slipping
- Sticking/Binding
- Vibration
- Abnormal wear/deterioration
- All Technical Service Bulletins
- Drivetrain - Information on Driveline Clunk Noise
- Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
- Vehicle - Engine And Sub-Systems Flushing Recommendations
- M/T - Operating Characteristics Information
- A/T - Fluid Oil Cooler Flow Test
- A/T - 2-3 Upshift or 3-2 Downshift Clunk Noise
- A/T - Slight Vehicle Movement In Park At Start Up
- ACDelco(R) Remanufactured Transmissions - Program Update
- A/T & M/T - AC Delco Remanufactured Transmissions
- Engine - Diagnosing Vibration
- A/T - Intermittent Downshift/Slip/Cycling Diagnosis
- Driveline - Tire and Propshaft Speed Reference Chart
- Brakes, Rear - Moan, Howl Noise Upon Light Acceleration
- Driveline - Center Bearing Wear and Driveline Noise
- Driveline - Stop Clunk
- A/T - Driveline Rattle at 40 MPH W/TCC Engaged
- A/T - Driveline Rattle With TCC Engaged
- Drivetrain - Evaluating Driveline Vibration
- M/T Clutch - Shudder or Chatter on Launch
- M/T - Noise In Neutral
- M/T - Neutral Gear Noise
- Differential Pinion Shaft Lock Screw - Service
- Differential Pinion Shaft Locking Screw - Revised
- Differntial (Front) - Axle Leak Through Remote Vent
- Differential - Governor Removal Tool Revision
- Driveline - Front Axle Fluid Leaks Through Remote Vent
- Front Axle - Actuator Does Not Engage
- Drivetrain - Front Axle Growl Noise in 2wd Only
- Front Drive Axle Engagement
- Transfer Case - High Shift Effort
- A/T - Updated Filter and Seal
- TCC - False Code 32/ Possible MIL ON
- A/T - Harsh Shift/3-4 Shift Cycling
- A/T - Fluid Out Vent Diagnostic Tips
- A/T - Updated Oil Pump Assemblies
- A/T - Fluid Leak Near Front Pump (Bushing Walkout)
- A/T - 4L60 Slipping or No 3rd/4th Gear
- A/T - 2004R/700R4 Oil Pump & Slide Service
- A/T - Cooler Replacement/Flushing
- A/T - External Oil Cooler Kits
- A/T - New Solenoid Assembly & Wiring Harness
- A/T - Low Power/Lack of Performance With 4L80E
- A/T - Binding or Inoperative In Reverse
- M/T - Clutch Pilot Bushing and Bearings
- Clutch Pedal - Pop or Scrape Noise When Depressed
- Slip Yoke/U-Joint - Replacement and Servicing
- Drivetrain - Production Change of Front Axle Boot Clamps
- Locking Rear Axle - Chatters onTurns
- A/T - Burned Forward/Direct Clutch
- A/T - Burned Forward/Direct Clutchs
- A/T - Burned Forward Gear, Overrun or 3-4 Clutches
- A/T - Click/Whine In Third/Fourth Gear
- A/T - Forward and Reverse Engagement Shift Feel
- A/T - 4L60 New 3-4 Clutch Plates Available
- A/T - New Short Lip Piston Seal Design
- A/T - Premature Wear of Direct Clutch
- A/T - Proper Location of the Forward Clutch Checkball
- A/T - New Low and Reverse Clutch Waved Plate
- A/T - Poor Reverse Engagement Shift Feel
- A/T - 700R4 New 3-4 Clutch Apply Package
- A/T - THM 400 New Forward and Direct Clutch Assemblies
- A/T - Buzzing Noise at Idle
- M/T - Gear Oil Smell In Vehicles
- A/T - Harsh Park/Neutral to Reverse Engagement
- A/T - 4L60 New Output Shafts and Shaft Seals
- A/T - New Lube Window and Band Apply/Anchor Brackets
- A/T - New Product Information
- A/T Fluid Level Indicator - Revised (Sealed)
- A/T - Park/Neutral to Reverse Shift Feel
- A/T - Replacement Model Update
- A/T - Interchangeability Information/Precaution
- A/T - Service Replacement Transmission Assembly (SRTA)
- A/T - New Service Replacement Assembly
- A/T - Slipping/No Reverse/No Manual 2-1 Gear Downshift
- A/T - New Solenoid Testing Kit
- A/T - Core Return Product Feedback Form
- A/T- New Product Information
- A/T - 700R4 New Auxiliary Accumulator Valve Body
- A/T - 700R4 Elimination Of Checkball
- A/T - 700R4 New Control Valve Assembly
- A/T - 700-R4 & 400 Improved Governor Driven Gear
- A/T - 3L80/THM 400 Center Support Bolt
- A/T - Torque Converter Identification
- A/T - Harsh Reverse Engagements
- A/T - Engine Vacuum Testing
- A/T - Bind-Up On The 1-2 or 3-2 Downshift
- A/T - 700R4 No 4th, Late 4th, Falls Out Of 4th
- A/T - Diagnosing Converter Lock-Up Problems
- Overview
- Test # 1 - Checking For 12 Volts at Terminal -A-
- Test # 2 - Checking For 12 Volts Across Fuse
- Test # 3 - Checking For 12 Volts Across Brake Switch
- Test # 4 - Adjusting/Replacing the Brake Switch
- Test # 5 - Checking Wires For Shorts and Opens
- Test # 6 - Checking For Ground at Terminal -D-
- Test # 7 - Grounding the -D- Wire
- Test # 8 - Checking Cooler Line Pressure or Surge
- Test # 9 - Checking the Solenoid
- Test # 10 - Checking Electrical Switches on Trans.
- Test # 11 - Checking Lockup Apply Valve
- Test # 12 - Checking Signal Oil Circuit
- Test # 13 - Checking the Computer
- A/T - Valve Body Assembly 700-R4 Inspection
- A/T - How To Use A Pressure Gauge
- A/T - 700R4 Valve Body Interchange
- A/T - 700R4 Bind In Reverse After Rebuild
- A/T - 200/200C/200R4, 325/3254L, 700-R4 No 2nd Gear
- A/T - THM Late or No Upshifts
- A/T - 700R4 Shifts In Manual Low
- A/T - 700R4, 2004R No Line Pressure Rise
- A/T - 700R4 Forward Sprag Design
- A/T - 4L60/700R4 Rear Planet Failure/Lack Of Lube
- A/T - 700R4 Missing Reverse Checkball
- A/T - 700R4 Rear Planet Failure/Lack of Lube
- A/T - 700R4 No 2nd, No 4th and No TCC
- A/T - Delayed Forward Engagement/Burnt 3-4 Clutches
- A/T - No Converter Clutch Apply When Unit Is Hot
- A/T - THM 400 Rear Band Adjustment Too Loose
- A/T - Rapid Converter Pump Bushing Wear
- A/T - 2004R & 700R4 Pump Break Up
- A/T - Converter Clutch Shudder
- A/T - 125, 200C/200 4R, 700 R4 Hidden Residue Build Up
- A/T - 200 4R & 700 R4 Pump Failure
- A/T - Methods to Check for Restricted Exhaust
- A/T - 700R4 Low And Reverse Clutch Failure
- A/T - Slipping or No-Shift/Metal Sealing Rings
- A/T - Front Bushing Wear
- A/T - THM 400 Too Sensitive 3-2 Downshift
- A/T - No Upshift/Governor Contamination
- A/T - THM 400 No Reverse
- A/T - THM Steel Clutch Piston Inspection
- A/T - Sprag Rotation
- A/T - THM 2004R 700R4 TCC Stalls Engine In Drive/Reverse
- A/T - Checking Pressure Switches For Leaks
- A/T - 700R4 TCC Lock-Up Delay Valve
- A/T - Math Formulas Part I
- A/T - 700R4 Wiring Diagrams Thru 1989
- A/T - Twenty Steps To Successful Repairs
- A/T - 4L60/THM 700R4 200R4 Fluid Filter Seal
- A/T - Math Part II
- A/T - 700R4/200-4R New Fluid Filter Seal
- A/T - 700R4/4L60 Changes For 1988
- A/T - 700R4 Lubrication Update
- A/T - Choosing the Right ATF
- M/T - Pops out of 3rd Gear on Accel or Decel
- M/T - Fluid Leak Out the Vent
- M/T - Gear Rattle In Forward Gears/Shift Lever Rattle
- M/T - HM-290 Diagnostic Information
- M/T - Neutral/Drive Gear Rattle
- M/T - No 4th Gear or Hard Shift Into 4th Gear
- M/T - Noise, Rattle, Clicking In 2nd/4th Gear
- M/T - Rattle/Clicking Noise in 2nd and/or 4th Gear
- M/T - HM-290 Updated Procedures
- M/T - New Leak Resistant Styrene Rubber Coated Gaskets
- M/T - Proper Service Fluid
- Campaign - A/T Fluid Containment
- A/T - Paint Flakes In Fluid
- A/T - Manual Update For ATF Level & Condition
- A/T - New ATF Dexron IIe Information
- A/T - Proper Fluid Level Checking Procedure
- Campaign - Fluid Containment
- A/T - DEXRON III Fluid Introduction
- A/T - Intermittent Downshift, Slip or Busy/Cycling TCC
- Drive Axle - Front Wiring Harness
- A/T - Rear Bushing On-Vehicle Service Procedure
- A/T - New Control Valve Assembly Elimination of TCC Bore
- A/T - Proper Use of Spacer Plate Gaskets In Overhaul Kit
- A/T - Evaluating Peened Spacer Plates
- A/T - 700R4 Valve Body Modification
- A/T - Erratic or No Upshift (New Governor Driven Gear)
- A/T - 4L60 Stuck In First Gear
- Transfer Case - Shift Effort High in Cold Temperatures
- Drivetrain - Recommended Axle Lubricant
- Drivetrain - Rear Axle Lubricant Compatibility & Usage
- A/T - THM 700R4 New Second Servo Apply Pin
- A/T - New Servo Apply Pin
- A/T - No Engine Braking In Drive 2 (D2) Selection
- A/T - 1-2 Accumulator Piston/Outer Spring Replacement
- A/T - New Case, 2nd, 3rd, 4th Pressure Taps Removed
- Recall - Automatic Transmission Vent
- M/T - Fluid Leak New Design Vent
- Differential - Front Axle Fluid Leak Through Remote Vent
- Drivetrain - Revised Front Drive Axle Seal R&R
- Campaign - 4-Speed M/T Locks In Reverse
- Transfer Case Vent - Fluid Leak
- M/T - Noises In Forward Gears/Shift Lever Rattle
- M/T - Shift Lever Rattle or Buzz
- Driving Axle (Front) - Fluid Leak From Vent
- A/T - Extension Seal Leaks
- M/T - Updated Gaskets
- Drivetrain - Rear Axle Pinion Seal Leak
- M/T - Hydraulic Clutch Bleeding Procedure Improvement
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - No Movement in Drive or 3rd Gear
- A/T - Water Or Coolant Contamination Information
- A/T - DEXRON(R)-VI Fluid Information