Service bulletins for the 1997 Buick Skylark
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.
54 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Heating and air conditioning are shown. Show all
| 631109 | 1997-06-27. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. AIR COMING FROM I/P VENT WHILE IN HEATER MODES OR A DELAY OCCURS WHEN CHANGING TO A NEW MODE SETTING (DIAGNOSE/MODIFY/REPLACE). *TW |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.