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Service bulletin 837112

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 id603082
Published by NHTSA1999-02-01
Manufacturer's number837112
Manufacturer's date1998-12-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

NOISE AND/OR VIBRATION DURING LOW SPEED ACCELERATION OR BRAKE TORQUING. *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 PARK AVENUE1999
BUICK RIVIERA1999

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
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.
014322003-12-05. Service bulletin. AUTOMATIC TRANSMISSION POOR ACCELERATION, PERFORMANCE. *TT
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
0107300442002-03-21. Service bulletin. SUBJECT REGARDING HARSH ENGAGEMENT INTO REVERSE GEAR IN COLD AMBIENT TEMPERATURE. *TT
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