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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 id619396
Published by NHTSA2001-05-29
Manufacturer's number01031
Manufacturer's date2001-04-11
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY

NHTSA's summary

SOME VEHICLES 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, Axle

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
0207300482004-04-23. Service bulletin. PRESSURE CONTROL SOLENOID REPLACEMENT FOR 4T65-E, 4T40-E, AND 4T45-E TRANSAXLE/TRANSMISSION.*MR
0103032003-09-06. Service bulletin. INFORMATION USED WHEN SERVICING THE DRIVE AXLE NUT. *TT
010312001-05-29. Service bulletin. SUBJECT REGARDING CLARIFICATION TO CUSTOMER SATISFACTION CAMPAIGN FOR 4T40-E TRANSAXLE CONVERTER BEARING FAILURE INSPECTION / REPLACEMENT. *TT
0101012001-04-04. Service bulletin. CONCERNS WITH 4T40E / 4T45E FOUR SPEED AUTOMATIC TRANSAXLES WITH ATF LEAKS AT EITHER THE COOLER LINE SEALS OR AT ONE OR BOTH AXLE SEALS. *JB
000912001-03-09. Service bulletin. INFORMATION ON REPLACING THE MANUAL TRANSAXLE SHIFTER. *TT