Service bulletins for the 2002 GMC Envoy
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.
658 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Clutch are shown. Show all
| PIP5072 | 2017-08-15. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have slip in forward ranges immediately after replacing the input housing. Technician will inspect the 3-4 clutches and the forward clutch oil feed passages for leakage between circuits. Technician should apply regulated compressed air to the 3-4 clutch feed hole and the forward clutch feed hole one at a time with the input housing. Technician will need to replace the input housing if there is an air leak 3-4 clutches. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.