# Service bulletins for the 1991 Chevrolet P \- Series

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.

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

- [000604002](/bulletins/609709.md), 2000-04-06, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SUBJECT REGARDING A HARD, NO START OR EXCESSIVE GRAY OR WHITE SMOKE CONDITION ON START UP AFTER RECENT GLOW PLUG REPLACEMENT. \*TT
- [98831110](/bulletins/600270.md), 1998-05-01, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. VEHICLES WITH 6.0L AND 7.0L ENGINES \(VINS P, M \- RPOS LS0, LR0\) MAY EXHIBIT ENGINE EXHAUST NOISE WHICH IS LOUDEST DURING COLD ENGINE OPERATION. \*YC
- [376105](/bulletins/39304.md), 1995-11-01, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. COLD ENGINE KNOCK. \*TW
- [376602A](/bulletins/39070.md), 1995-03-06, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. NEW CAST IRON EXHAUST MANIFOLD AND STAINLESS STEEL GASKET TO CORRECT ENGINE NOISE CONDITION. \*TW
- [CAMP/93C53A](/bulletins/37960.md), 1995-02-09, Service bulletin: STRUCTURE:FRAME AND MEMBERS. REVISION TO MANUFACTURER RECALL \- P30 COMMERCIAL VEHICLES\- RIGHT HAND FRAME AND BODY MOUNT CRACKS. \*TW
- [476149](/bulletins/37947.md), 1995-02-09, Service bulletin: UNKNOWN OR OTHER. OIL PRESSURE GAUGE READING CONCERNS. \*TW

JSON: [/v1/vehicles/1991_chevrolet_p-series/bulletins](/v1/vehicles/1991_chevrolet_p-series/bulletins)

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