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Info - 1995-2000 Summary of 4T40/45-E Transaxle Technical Info (As of 11/01/00)

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)



1995-2000 Summary of 4T40/45-E Transaxle Technical Information (as of 11/1/00)

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

Campaigns

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

Diagnostic Trouble Codes

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)

General

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

Leaks

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.

Noise

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.

Other

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)

Shifts

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)

Service Manual Updates

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)

Towing

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