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Info - 1995-2000 Summary of 3T40 Transaxle Technical Information (As of 11/01/00)

Subject:1995-2000 Summary of 3T40 Transaxle Technical Information (as of 11/01/00)

Models:1995-2000 Chevrolet Cavalier
1995-2000 Pontiac Sunfire
with 3T40 Automatic Transmission (RPO MD9)



1995-2000 Summary of 3T40 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
    • Noise
    • Other
    • Shifts
    • Service Manual Updates

Campaigns

Bulletin

P/I Number

Description

95-C-64

 

Campaign: Transaxle Shift Indicator Display May Not Be Visible Due To Instrument Cluster Trim Plate Sag 1995 Pontiac

98013

 

Campaign: Slow or No Second to Third Gear Upshift 1998 Chevrolet Cavalier and Pontiac Sunfire with 3T40 (MD9) and 2.2 L (LN2)

99039

 

Campaign: Throttle Valve Cable - Inspect/Replace Certain 1999 Chevrolet Cavalier and Pontiac Sunfire, equipped with 2.2 L (RPO LN2 ) and 3T40

Diagnostic Trouble Codes

Bulletin

P/I Number

Description

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

00-07-30-019

 

SES Light Illuminated, DTC P1870 -- Transaxle Component Slipping (Replace TCC Solenoid)

 

A001226

99-00 JB Chevrolet Pontiac with 3T40 and DTC P1870

 

B005664

1997 JB Revised Diagnosis for P1870 (Shop Manual Diagnosis for DTC P1870 is Incorrect)

 

B005925

96-98 JB 3T40 Diagnosis for P1870 or TCC Operation Incorrect (Pressure Switch Not Shown Under P1870)

General

Bulletin

P/I Number

Description

57-02-01

 

SMU-Section 0-General Information-Dexron® III Transmission Fluid Introduction, 1995 and Prior Passenger Cars and Trucks

87-7-3

 

A/T Oil Cooler Flushing Procedure (Kent-Moore Essential Tool Use Outlined) All THM A/T Models

00-07-30-009

 

Current Model Year Goodwrench Transmission Replacement Assembly 1998-2000 Passenger Cars and Light Duty Trucks

99-07-30-017

 

Info On Automatic Trans Oil Cooler Flushing and Flow Check Procedures, 1997 and Prior Vehicles with Auto Transmissions

00-07-30-009

 

Service Replacement Transmission (SRTA) Identification Tags

Noise

Bulletin

P/I Number

Description

53-60-03

 

Vibration, Knocking - Tapping Noise When Vehicle is Put Into Reverse (Grind Torque Strut to Engine Mount Bolt) 1994-95 N

99-07-30-030

 

Grinding and/or Growling Noise in Park on Incline 1992-99 A, C, E, H, J, L, N, W and U Van w/3T40, 4T60, 4T60E Trans

Other

Bulletin

P/I Number

Description

63-90-13

 

Vehicle Speed Surge With Cruise Control Engaged (Replace Cruise Control Module) 1996-97 J Car w/2.2 L Engine (RPO LN2)

00-07-30-014

 

Vehicle Slips in Reverse, No Reverse, Slips in D1, or No D1 Range

99-07-30-014

 

Transmission Slips or May Not Go Into Reverse (Replace Piston)

 

A000481

No Reverse or Slips in Reverse Hot or Cold

 

X000688

93-95 NB 2.3 L 3T40 Drive Miss Chuggle Intermittently (Repair Chaffed Wires at Automatic Transmission Bracket)

Shifts

Bulletin

P/I Number

Description

47-71-36

 

Delayed or No 2-3 Upshifts Hot (Replace Transaxle Spacerplate) 1995 A Cars with 3T40 Transaxle

67-71-38

 

Delayed or No 1-2 Upshift at Wide Open Throttle (WOT) (Replace Govenor) 1995 N Cars W/2.3L Engine and 3T40 Trans

87-71-66

 

Delayed, Slow or No Second to Third Gear Upshift (Replace Case Cover Assem or Trans Assem) 98 J Car W/3T40 (RPO MD9)

 

H000856

Some 1998 JB'S with 3T40 may Exhibit Slow or No 3rd Upshift. Replace Case Cover or Use Reman Assembly After 05/01/98

Service Manual Update

Bulletin

P/I Number

Description

73-71-05

 

SMU - Section 7A - Revised Procedure for 3T40 TV Cable Adjustment, 1995-96 "A/L", 1995-98 "J"

87-71-70

 

SMU - Sections 7/7A - Revised Shift Speed and Line Pressure Tables, 96-98 J/L Cars W/Hydra-Matic 3T40 (RPO MD9) 2.2L (LN2)

 

B005354

95-96 JB Service Manual Lists Incorrect Engine Support Tool (Use J28467-360 Along with J28467-A Universal Engine Support)