WenmarOpen by Wenmar Pro

Service bulletin 010730044

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 id628860
Published by NHTSA2002-03-21
Manufacturer's number010730044
Manufacturer's date2002-01-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

SUBJECT REGARDING HARSH ENGAGEMENT INTO REVERSE GEAR IN COLD AMBIENT TEMPERATURE. *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

Vehicles listed
BUICK LESABRE1999, 2000
BUICK PARK AVENUE1999, 2000
OLDSMOBILE 881999
PONTIAC BONNEVILLE1999, 2000

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

Recalls for the same vehicles and component
99V0890001999-04-26. POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PIP53462017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick connect verses inverted flare. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
00704A2003-11-22. Service bulletin. THE 4T65E AUTOMATIC TRANSMISSION MAY EXHIBIT A CONDITION OF A HARSH GARAGE SHIFT INTO REVERSE OR DRIVE ON A COLD START. *TT
0307300172003-08-27. Service bulletin. GRIND NOISE OR NO VEHICLE MOVEMENT WHEN SHIFTING INTO DRIVE OR REVERSE. *TT
010730032B2002-03-25. Service bulletin. SOME OWNERS MAY COMMENT ON A TRANSMISSION OIL LEAK. *TT UPDATED *EH
0406012001-10-30. Service bulletin. SOME VEHICLES MAY EXPERIENCE NO FORWARD, DELAYED FORWARD, OR THE TRANSMISSION MAY LOCK UP IN REVERSE INTERMITTENTLY, SOME VEHICLES WILL NOT MOVE WHEN PLACED IN REVERSE INTERMITTENTLY. *SLC
2602012001-05-21. Service bulletin. SOME VEHICLES EQUIPPED WITH THE 4T65E TRANSMISSION MAY EXPERIENCE A CONDITION WHERE THE FOURTH CLUTCH IS BURNT UP. *TT
0101012001-03-26. Service bulletin. GM POWERTRAIN IS CURRENTLY SEEKING INFORMATION REGARDING 4T65E TRANSMISSIONS WITH A WHINE NOISE IN PARK AND NEUTRAL. *TT
0007300182001-02-23. Service bulletin. SOME OWNERS OF VEHICLES THAT HAVE THE TRANSMISSION SHIFT LEVER MOUNTED ON THE STEERING COLUMN MAY COMMENT THAT THEY HAVE DIFFICULTY REMOVING THE TRANSMISSION SHIFT LEVER FROM THE PARK POSITION.
0007300012000-04-06. Service bulletin. SOME CUSTOMERS MAY COMMENT ABOUT THE HIGH EFFORT TO MOVE THE RANGE SELECTOR (GEAR SHIFT) CONTROL LEVER TO A DESIRED POSITION. *TT
991111999-08-31. Service bulletin. CAMPAIGN PARTS BULLETIN REGARDING 4T65E MANUAL VALVE / LINK KIT REPLACEMENT. *TT