# Service bulletins for the 1990 Oldsmobile Cutlass Supreme

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.

2 bulletins from NHTSA, as of 2026-10-19.

- [876002A](/bulletins/615073.md), 2000-12-26, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME V6 ENGINES MAY, ON A VERY INFREQUENT BASIS, HAVE AN OIL ODOR CONDITION THAT IS GENERALLY ENCOUNTERED AFTER THE ENGINE'S OIL HAS BEEN CHANGED.TYPICALLY THE ODOR LASTS APPROXIMATELY 1000 MILES AFTER THE CHANGE OF OIL AND THEN DOES NOT REAPPEAR UNTIL THE NEXT CHANGE OF OIL. \*TT
- [990309004](/bulletins/6088680.md), 1999-12-29, Service bulletin: SUSPENSION. CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. \*TT

JSON: [/v1/vehicles/1990_oldsmobile_cutlass-supreme/bulletins](/v1/vehicles/1990_oldsmobile_cutlass-supreme/bulletins)

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