Subject: | 1995-2000 Summary of 4T40/45-E Transaxle Technical Information (as of 11/01/00) |
Models: | 1995-2000 Chevrolet Cavalier |
1997-2000 Malibu |
1995-2000 Pontiac Sunfire |
1999-2000 Pontiac Grand Am |
1999 Oldsmobile Cutlass |
1999-2000 Oldsmobile Alero |
with 4T40/45-E Automatic Transmission (RPO MN4, MN5) |
P/I numbers represent preliminary information which may not have been validated by GM for accuracy and effectiveness. They may be replaced by bulletins or deleted after a period of time depending on their usefulness. GM dealers should contact GM Technical Assistance. Non-GM dealers only, should call 1-800-260-9377.
Bulletins and P/I's are summarized in the following groups:
• | Campaigns |
• | Diagnostic Trouble Codes |
• | General |
• | Leaks |
• | Noise |
• | Other |
• | Shifts |
• | Service Manual Updates |
• | Towing |
Bulletin | P/I Number | Description |
---|---|---|
00049 |
| Campaign: Mismachined Sealing Surface On Forward Clutch Housing of 4T40-E Transaxle |
95-C-64 |
| Campaign: Transaxle Shift Indicator Display May Not Be Visible Due To Instrument Cluster Trim Plate Sag 1995 Pontiac |
Bulletin | P/I Number | Description |
---|---|---|
67-65-28 |
| Intermittent Diagnostic Trouble Code P0107 Map Sen. Circuit Low Voltage (PCM Flash Calibration) 1996 J Car w/2.4 L Engine |
67-71-41 |
| Service Manual Update, Section 7A-2A, A/T Diagnosis, DTC P1887 and Channel Plate Passages, 1996 J Car |
67-71-50 |
| TCC Release Switch Circuit Malfunction/DTC P1887 (Follow The Procedure For DTC P1887) 1996 J Cars with 2.2 L, 2.4 L Engine |
71-65-37 |
| SMU - Section 6E - Revised DTC P0705 Trans Range Switch Circuit, Scan Tool Trans Range PABC Data Table, 1997 J/N/PJJ Car |
00-06-04-037 |
| Service Engine Soon (SES) Light On with DTCs P0716 and/or P0717 Set (Repair Input Speed Sensor Wiring at Transaxle Wiring Pass-thru Connector) |
| B005889 | 1996-97 4T40-E DTC MIL P1887 No TCC Release (Replace Turbine Shaft Sealing Rings P/N 8677453) |
| B006002 | 1997 NB Surge Chuggle HES Start-Stall and/or P1626 or P0748 (Check PCM Service Number for Correct Application) |
| H000710 | 1997 Vehicles with PCM "32U" and A/T Int DTC P0748. (PCM Software Concern -- No Fix Available Yet) |
| X000917 | Intermittent DTC or Other Driveability Concern 1997 JB w/4T40-E (Main Engine Harness Rubbing On Bell Housing) |
| B005773 | 1996-97 JB and 1997 NB 4T40-E Serv Man Range P0705 Chart Incorrect (Use Revised HI/LO Chart) |
Bulletin | P/I Number | Description |
---|---|---|
57-71-10 |
| Information on Hydra-Matic 4T40-E Transaxle (RPO MN4) 1995 "J" Car with 2.3 L Engine (VIN D -- RPO LD2) |
57-71-16 |
| Information on Hydra-Matic 4T40-E Transaxle 1995-96 J Cars With Hydra-Matic 4T40-E Transaxle (RPO MN4) |
77-71-68 |
| Info on Cooler Flush Adapter Tools for 4T40-E Transaxle and 4L60-E Trans 1995-98 F, J, N Cars, C/K, M/L, S/T, G Trucks |
77-71-69 |
| SMU -- Section 7A -- DTC P0742/TCC Stuck On and DTC P1887/TCC Release Switch Circuit Malfunction, 1997 J/N Cars |
87-71-61 |
| Info on Introduction to Full Service on 4T45-E Transaxle 1999 N-Cars w/4T45-E Transaxle (MN5), w/3.4 L Eng (VIN E -- LA1) |
00-07-30-009 |
| Current Model Year Goodwrench Transmission Replacement Assembly 1998-2000 Passenger Cars and Light Duty Trucks |
00-07-30-013 |
| Forward Clutch Piston Change on 4T40-E/4T45-E Automatic Transaxles |
00-07-30-016 |
| Removal of the PWM Filter from the Spacer Plate -- 4T40-E/4T45-E Automatic Trans 4T40-E/4T45-E Automatic Transmission |
99-07-30-017 |
| Info on Automatic Trans Oil Cooler Flushing and Flow Check Procedures, 1997 and Prior Vehicles with Auto Transmissions |
99-07-30-021 |
| New Solenoid Testing Kit from Kent Moore for All Hydra-Matic Transmissions 99 and Prior GM Passenger Cars and Trucks with Electronic Automatic Transmission |
| A000316 | Clutch Pack Clearance Specification -- 4T40-E,4T45-E |
| A001324 | 4T40-E/4T45-E -- Removal of the TCC (PWM) Filter (#17) from the Spacer Plate |
| B004476 | Electronically Controlled Trans. Solenoid Application Charts |
| B006138 | 1997 NB Eng to Transaxle Bolt Omitted/Fluid Lvl Chk Procedure (Information) |
| D005276 | 1995-99 NB JB P90 Transmission Case Replacement |
| D005277 | 1996-99 4T40-E / 4T45-E Location of the #6 Check Ball (Use 1997 Unit Repair Manual for Check Ball Location) |
| D005292 | 1996-99 NB, JB P90 4T40-E 4T45-E Convertor Drain Back |
Bulletin | P/I Number | Description |
---|---|---|
| B005484 | Diagnosis for All A/T Experiencing an Oil Leak from the Vent (Follow Diagnosis Steps Listed Below) |
| H000623 | 1996 JB w/4T40-E Side Cover Axle Seal Leak May Repeat. Replace Side Cover Assembly. |
| H000903 | 1999 Vehicles with 4T40-E/4T45-E Leak at Torque Converter Seal. Score Mark on Case Bore May Need to Replace Case. |
Bulletin | P/I Number | Description |
---|---|---|
| H000771 | 1998 JB and NB (P90 Only) May Exhibit Whine Noise in Park/Neut. Inspect Input Sun Gear for Abnormal Wear and Replace If Necc. |
Bulletin | P/I Number | Description |
---|---|---|
87-71-59 |
| TCC Shudder/Vibration/Chuggle/Surge/Miss/Fishbite w/No DTC's (Diagnose/Replace Drive Link Assm) 1998 "N" w/4T40-E, 3.1 L -- L82 |
| A001049 | 00 99 JB LN2 2.2 L MN4 4T40-E 4th Gear Decel Surge Fluctuation |
| H000697 | 97 JB with 4T40-E Slip or Flare in Rev Heavy Throttle. (Replace Rev Clutch Center Retainer Assembly) |
Bulletin | P/I Number | Description |
---|---|---|
67-71-60 |
| Delay Engagement into Drive after Cold Soak (Replace with Revised Forward Clutch Housing Assembly Complete) 1995-97 J/N |
99-07-30-031 |
| No Third and Fourth Gear (Replace Direct Clutch Piston Assembly) |
| A000175 | 1995-99 NB JB P90 4T40-E 4T45-E No Movement Reverse or Drive Check for Stuck TCC Control Valve #334 |
| B005691 | 1997 JB 4T40-E No Rev (Replace Low Rev Piston) |
| B005924 | 1996-98 JB NB 4T40-E Will Not Shift No DTC's (Check Pressure Switch Range Signals) |
| D005342 | 1999 NB, JB, P90, 4T40-E, 4T45-E, Trans Slip, Low Pressure |
| H000715 | 1997 JB with 4T40-E No Rev, 2nd or 4th Gears. (Reaction Sun Gear and Shell Assembly Weld Fatigue) |
Bulletin | P/I Number | Description |
---|---|---|
63-71-06 |
| Service Manual Update -- Section 7A -- Revised 4T40-E Fluid Level Checking and Fill Procedure, 1997 "J/N" Series |
77-71-78 | B005717 | SMU -- Section 7A -- Automatic Transaxle Unit Repair Manual (TURM) Changing Direction of Sprag Clutch Rotation Proc, 1996 J Car (Use 1997 Unit Repair Manual Pg. 7A2B-76) |
77-71-79 |
| SMU -- Section 7 -- Transmission/Transaxle -- Final Drive Pinion End Play Check Specification, 1997-98 J, L, N Car |
87-71-67 |
| Information on Transaxle Cooler Line Seal Installation Procedure, 1995-99 J/N w/4T40-E, 4T45-E w/2.2 L, 2.4 L, 3.1 L, 3.4 L |
| B005354 | 1995-96 JB Service Manual Lists Incorrect Engine Support Tool (Use J 28467-360 along with J 28467-A Universal Engine Support) |
| B005968 | 1996-98 JB NB 4T40-E A/T Side Cover Torq Specification Incorrect (Revised Spec is 18 N·m or 14 lb ft) |
Bulletin | P/I Number | Description |
---|---|---|
53-01-05 |
| Information on Recreational "Flat" Towing (All 4 Wheels on Ground) 1995-96 "J" Series with 4T40-E Auto Trans (RPO MN4) |
00-00-89-008 |
| Recreational (Dinghy) Towing with 4T40-E, 4T45-E Automatic Transaxle or 5-Speed Manual Transaxle |
| B006125 | 1997-98 NB 4T40-E Fuses to Remove in Tow All Wheels on the Ground |
| P001242 | 1995-98 JB w/4T40-E -- Flat Towing -- Tow Bar Information Part Number and Location for Base Plate Adapters |