Automatic Transmission/Transaxle: Technical Service Bulletins
- Recalls
- Customer Interest
- A/T - No Movement in Drive or 3rd Gear
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - Evidence of Paint Flakes In Fluid
- A/T - Intermittent Loss of Drive
- A/T - Harsh Gear Engagement
- A/T - Drive Link Noise in PARK/NEUTRAL Diagnosis
- Engine Controls - Diagnostics For Internally Shorted IAC
- A/T Pan Bolt - Leaks
- A/T - TCC Engages In 2nd Gear
- A/T - Harsh 3-2 Downshifts, Diagnosis & Repair
- Overview
- Very Harsh Part Throttle 3-2 Shift At 20-40 MPH:
- Harsh 3-2 and/or 4-2 Shifts:
- Intermittent Harsh Part Throttle 3-2 Shift:
- Harsh 3-2 Shift **High Altitude Only**
- Harsh 3-2 Shift **Low Altitude* Only**:
- Harsh 3-2 Shift Maneuver At 17-20 MPH:
- Harsh 3-2 Coastdown Bump 3.8L or 4.5L At 15-22 MPH:
- Harsh Upshifts - High Altitude Only:
- A/T - Intermittent Delayed Upshifts
- A/T - Double Bump, Harsh Engagement, Shudder P to N or R
- A/T - Delayed Neutral to Drive Engagement
- A/T - Black Paint Flakes Found in Fluid
- A/T - Harsh 3-2 Gear Detent Downshift
- A/T - Harsh Engage, Bump, or Shudder, Shifting to REV
- A/T - 4T60 No Reverse/Slipping or Band Distress
- A/T - No 3RD Gear, New Thrust Bearing
- All Technical Service Bulletins
- Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
- Vehicle - Engine And Sub-Systems Flushing Recommendations
- 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
- A/T - DEXRON(R)-VI Fluid Information
- A/T - Water Or Coolant Contamination Information
- A/T - No Movement in Drive or 3rd Gear
- A/T - Grinding/Growling Noise in Park on Incline
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- A/T - 440T4/4T60 Model Code Information
- A/T - Choosing the Right ATF
- A/T - 440T4 Converter Clutch Shudder
- A/T - 440T4 Reverse Reaction Plate/Valve Body Strap
- A/T - 440T4 Soft/Slipping 1-2 Upshift Flare
- A/T - Math Part II
- A/T - Twenty Steps To Successful Repairs
- A/T - Math Formulas Part I
- A/T - 440T4 Lock Up And Cruise Control Problems
- A/T - 440T4 Converter Regulator Spring Update
- A/T - 440T4 TCC Applies With 1-2 Upshift
- A/T - Sprag Rotation
- A/T - 440T4 Bind-Up In All Gears
- A/T - 440T4 Plastic Oil Lube Dam
- A/T - 440T4 Blowing Fuses
- A/T - 440T4 Converter Regulator Valve
- A/T - 440T4 Slips Or No Movement Forward
- A/T - Front Bushing Wear
- A/T - Slipping or No-Shift/Metal Sealing Rings
- A/T - 125C, 440T4 No Upshift
- A/T - Converter Clutch Shudder
- A/T - No Converter Clutch Apply When Unit Is Hot
- A/T - 440T4/4T60 Late or No Upshift
- A/T - Drive Axle and Wheel Lug Nut Torque Specifications
- A/T - 440T4 Coast-Down Clunk
- A/T - THM Late or No Upshifts
- A/T - 440T4 No Upshift/Wrong Gear
- A/T - 440T4 Channel Plate Gasket Blow-Out
- A/T - 440T4 No Second Clutch Switch
- A/T - AXOD/E 44T4's and 125's Chain Stretch
- A/T - 440T4 Harsh 3-2 Detent Downshift
- A/T - How To Use A Pressure Gauge
- A/T - 440T4/4T60 Spacer Plate Matching
- A/T - Early Upshift/No Kickdown
- A/T - 440T4 No Line Pressure Rise
- 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 - Engine Vacuum Testing
- A/T - 440T4 Wiring Schematics
- A/T - 440T4 2-3 Bind-Up/Slips
- A/T - 440T4 Input Sprag Replacement
- A/T - Late 1988 GM 4T60/440T4 Changes
- A/T - 4T60/440T4 Changes For 1988
- A/T - 440T4 3rd Clutch Plate Change
- A/T - 440T4 Improved Second Clutch Inner Lip Seal
- A/T - 440T4 Improved Shift Feel/2nd Clutch
- A/T - 440T4 Buzzing Noise
- A/T - Evidence of Paint Flakes In Fluid
- A/T - Core Return Product Feedback Form
- A/T - New Input Carrier Thrust Washers
- A/T - New Final Drive Assembly/Output Shaft/Sun Gear
- A/T - Intermittent Loss of Drive
- A/T - Harsh Gear Engagement
- A/T - Drive Link Noise in PARK/NEUTRAL Diagnosis
- A/T - Difficulty Removing Ignition Key/Hard Shift
- A/T - Replacement Model Update
- A/T - New Product Information
- Engine Controls - Diagnostics For Internally Shorted IAC
- A/T - New Bottom Pan and Controlled Compression Gasket
- A/T Pan Bolt - Leaks
- A/T - Transaxle Oil Filter Differences
- A/T - TCC Engages In 2nd Gear
- A/T - Harsh 3-2 Downshifts, Diagnosis & Repair
- Overview
- Very Harsh Part Throttle 3-2 Shift At 20-40 MPH:
- Harsh 3-2 and/or 4-2 Shifts:
- Intermittent Harsh Part Throttle 3-2 Shift:
- Harsh 3-2 Shift **High Altitude Only**
- Harsh 3-2 Shift **Low Altitude* Only**:
- Harsh 3-2 Shift Maneuver At 17-20 MPH:
- Harsh 3-2 Coastdown Bump 3.8L or 4.5L At 15-22 MPH:
- Harsh Upshifts - High Altitude Only:
- A/T - Intermittent Delayed Upshifts
- PRNDL Decoder Module Exchange Test - Revised
- A/T - Inoperative Lo-Reverse Clutch Diagnosis
- A/T - Double Bump, Harsh Engagement, Shudder P to N or R
- A/T - New 2nd Clutch Piston Seal
- A/T - Revised 4TH Clutch Reaction Plates
- A/T - Delayed Neutral to Drive Engagement
- A/T - Revised Forward Clutch Piston Seals
- A/T - New Input Clutch and 3rd Clutch Seal Installers
- A/T - New Input and 3RD Clutch Inner Piston Seal
- A/T - Black Paint Flakes Found in Fluid
- A/T - Proper Fluid Checking
- A/T - DEXRON III Fluid Introduction
- A/T - New Chain Scavenging Scoop and Sprocket Support
- A/T - Harsh 3-2 Gear Detent Downshift
- A/T - New 1-2 and Reverse Bands
- A/T - Harsh Engage, Bump, or Shudder, Shifting to REV
- A/T - Revised Style 1-2 Band Assembly
- Recall - Console Shift Indicator Actuator
- A/T - 4T60 No Reverse/Slipping or Band Distress
- Drivetrain - New Seal Protector for Drive Axle R&R
- A/T - Revised End Play Specification
- A/T - No 3RD Gear, New Thrust Bearing
- A/T - Updated R&R Pinion Gear Washers & Sun Gear