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Service bulletin 01031

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id619353
Published by NHTSA2001-05-23
Manufacturer's number01031
Manufacturer's date2001-04-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

NHTSA's summary

VEHICLES EQUIPPED WITH 2.4L ENGINE AND 4T40-E AUTOMATIC TRANSAXLE MAY EXHIBIT A CONDITION IN WHICH THE TRANSAXLE CONVERTER PUMP TO STATOR BEARING MAY PREMATURELY FAIL DUE TO A RAISED METAL CONDITION ON THE BEARING SURFACE ON THE INSIDE OF THE PUMP COVER. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission, Torque converter

Vehicles listed
CHEVROLET CAVALIER2001
OLDSMOBILE ALERO2001
PONTIAC GRAND AM2001
PONTIAC SUNFIRE2001

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
0707300252008-02-21. Service bulletin. INFORMATION ON 4T40-E (MN4) AND 4T45-E (MN5) FRONT WHEEL DRIVE AUTOMATIC TRANSMISSION VALVE BODY RECONDITIONING, DTC P0741, P0742, P0751, P0752, P0756, P0757, P1811, HARSH SHIFTS, SLIPS, NO DRIVE, NO REVERSE. *NJ
36692006-02-21. Service bulletin. M86/M94 TRANSMISSION INFORMATION TO DISASSEMBLE THIRD FOURTH AND FIFTH GEAR. *AK
32532005-10-24. Service bulletin. VEHICLE WILL NOT MOVE IN EITHER DIRECTION. TRANSMISSION MAY SHOW OVER FULL. P90 4T40E 4T45E NO MOVEMENT DRIVE OR REVERSE. CONVERTER MAY BE EMPTY OF FLUID. *TT
0307290052005-02-12. Service bulletin. CLUNK NOISE FROM FRONT END DURING LOW SPEED TURNS OR MANEUVERS. THIS SERVICE BULLETIN REPLACES 030729005A. *EH
030730021A2004-03-04. Service bulletin. NEUTRAL FLARE AND/OR RPM FLARE WHILE IN DRIVE, NO 1-2 UPSHIFT, SERVICE ENGINE SOON (SES) LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODES (DTCS) P1810, DIAGNOSTIC TROUBLE CODE P1815 SET. *TT
014322003-12-05. Service bulletin. AUTOMATIC TRANSMISSION POOR ACCELERATION, PERFORMANCE. *TT
0107300262001-10-31. Service bulletin. SOME OWNERS MAY COMMENT ON A TORQUE CONVERTER CLUTCH (TCC) SURGE / CHUGGLE BETWEEN 72-96 KM/H (45 - 60 MPH) UNDER A LIGHT LOAD WITH THE ENGINE AT OPERATING TEMPERATURE AND TCC APPLIED. *TT