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Service bulletins for the 2005 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.

738 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
36372006-01-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. EV COOLING FAN NOISE CHARACTERISTICS - DO NOT REPLACE EV FAN. *TT
0506010262005-12-02. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION ON USE OF BOLT EXTRACTOR TOOL KIT PART NUMBER EN-47702 FOR REMOVING BROKEN CYLINDER HEAD OR MAIN BEARING CAP BOLTS ON INLINE TRUCK ENGINES. *TT
34322005-11-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LEAK FROM REAR OF CRANKSHAFT - INSPECT FOR CRANKSHAFT POROSITY. *TT
0506010142005-11-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LEAK UNDER EXTREME COLD TEMPERATURES (-34 DEGREES C) (-30 DEGREES F) OR COLDER). *TT
0506010222005-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSTIC INFORMATION ON ENGINE OIL LEAK FROM REAR OF CRANKSHAFT. *TT 05-06-01*022 SUPPLEMENT - CRANKSHAFT OIL LEAK REPAIR INSTRUMENTIONS. *TT
34052005-10-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE IS HARD TO START AFTER FILLING THE FUEL TANK. *TT
0506040172005-05-13. Service bulletin. ENGINE AND ENGINE COOLING. THROTTLE TIP-IN CLUNK NOISE AT LOW SPEEDS. *TT
32322005-05-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. *TT
0406040762005-03-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON UNSTABLE/ROUGH/LUMPY ENGINE IDLE, AND LOW SPEED VEHICLE SURGE, RANDOM DISTURBANCE OR VEHICLE SHUDDER. *TT
0406010222005-02-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. NEW CYLINDER BORE LINER/PISTON SLEEVE REPLACEMENT PROCEDURE. *TT
32092005-02-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EXHAUST MOAN AT IDLE OR PARKING LOT MANEUVERS. *EH
0406010252005-01-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. EXCHANGE PROGRAM FOR 2005 MODEL YEAR ENGINES. *TT UPDATE. *TT
31502004-12-01. Service bulletin. ENGINE AND ENGINE COOLING. CYLINDER LINER REPLACEMENT INFORMATION - INLINE TRUCK ENGINES. *EH
30562004-11-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHECK ENGINE LIGHT WITH A P0300 DUE TO 2-4 CYLINDERS MISFIRING ON THE SAME BANK OF THE ENGINE. *TT
31542004-11-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MISFIRE, BUMP OR MULTIPLE BUMPS AFTER A 1-2 UPSHIFT. *TT
31422004-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. BROKEN HEAD BOLT REPAIR. *TC
31112004-11-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE WITH DIAGNOSTIC TROUBLE CODE P0300,301,302,303,304,305 AND 306 SETTING. 2005 CHEVROLET TRAIL BLAZER AND 2005 BUICK RAINIER. *JB
30762004-10-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REPLACEMENT GOODWRENCH ENGINES - PARTS WHICH MUST BE SWAPPED FROM ORIGINAL ENGINE. *TT
0406030052004-08-13. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE. PROPER CONNECTION INFORMATION TO AVOID BLOWN 125 AMP FUSE AND VARIOUS INTERIOR ELECTRICAL SYSTEM CONDITIONS WHEN JUMP STARTING VEHICLE. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.