Service bulletins for the 1999 Oldsmobile Aurora
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.
64 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Transmission and driveline are shown. Show all
| PI1217 | 2018-05-07. Service bulletin. POWER TRAIN. This preliminary bulletin provides a way to aid the technician in diagnosing transmission fluid leaking from the trans breather vent. |
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| PIP5346 | 2017-08-15. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES; POWER TRAIN. 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. |
| 020730039E | 2004-01-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. FIRM TRANSMISSION SHIFTS, SHUDDER/CHUGGLE, TRANSMISSION WON'T DOWNSHIFT ON DECELERATION, SERVICE ENGINE SOON LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE P0742 SET. *TT UPDATE. *TT |
| 00704A | 2003-11-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE 4T65E AUTOMATIC TRANSMISSION MAY EXHIBIT A CONDITION OF A HARSH GARAGE SHIFT INTO REVERSE OR DRIVE ON A COLD START. *TT |
| 990730015A | 2000-10-11. Service bulletin. POWER TRAIN. CONCERNS WITH MALFUNCTION INDICATOR LAMP ILLIMINATES, SPEEDOMETER FLUCTUATES / INOPERATIVE, CRUISE CONTROL / TORQUE CONVERTER CLUTCH INOPERATIVE. *TT |
| 990730019 | 1999-11-26. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SUBJECT ON NO DRIVE OR NO REVERSE. *MJS |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.