Service bulletins for the 1999 Oldsmobile Silhouette
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.
84 on file from NHTSA, as of 2026-10-19.
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By component
By trouble code
Only bulletins with component: Heating and air conditioning are shown. Show all
| 000138011A | 2002-10-11. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. SUBJECT REGARDING POOR HEAT WITH COLD OUTSIDE TEMPERATURES AT LOW ENGINE RPM. *TT |
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| 000138011B | 2002-10-10. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. SUBJECT REGARDING POOR HEAT WITH COLD OUTSIDE TEMPERATURES AT LOW ENGINE RPM. *TT |
| 000138011 | 2001-03-24. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. SOME CUSTOMERS MAY COMMENT ON POOR HEAT IN THE VEHICLE PASSENGER COMPARTMENT AT LOW ENGINE RPM. THIS CONDITION IS MOST PREVALENT AT OUTSIDE TEMPERATURES BELOW 0 DEGREES C (32 DEGREES F). *TT |
| 000138001 | 2000-04-06. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SOME CUSTOMERS MAY COMMENT ON A LACK OF PERFORMANCE OF THE AIR CONDITIONING SYSTEM IN HOT HUMID WEATHER. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.