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Service bulletins for the 2007 Hummer H3

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.

822 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
SB-0706040192007-09-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENT MIL/SES, DTC P2138 WITH REDUCED ENGINE POWER (REPAIR INSTRUMENT PANEL (IP) TO BODY HARNESS CONNECTOR). 2005-2008 GM PASSENGER CARS AND LIGHT DUTY TRUCKS INCLUDING SATURN. *NJ UPDATED 11/19/10. *PE UPDATED 3/30/11. *PE
061572006-12-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PRODUCT ENHANCEMENT FOR INVENTORY AND CUSTOMER VEHICLES ENGINE COOLING FAN NOISE - EXPIRES WITH BASE WARRANTY. *KB
0506040352006-05-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, GASOLINE. USAGE OF E85 FUELS IN GM VEHICLES. 1997 - 2008 ALL GM CARS AND TRUCKS. 1997 - 2008 ALL SATURN VEHICLES. *TT UPDATED. *KB UPDATED ON 10/22/07. *NJ
30452005-04-20. Service bulletin. ENGINE AND ENGINE COOLING. SHUDDER OR BIND ON TRUNS IN 4 HI. *EH UPDATED 03-01-07. *KB
0306040302003-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT
0206040152002-05-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENT NO CRANK, NO START CONDITION FOR 2001-2002 PASSENGER CARS AND TRUCKS. *SLC 2001-2007 GM PASSENGER CARS AND LIGHT-DUTY TRUCKS (INCLUDING SATURN). *TT

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