Service bulletins for the 2005 GMC Sierra
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.
796 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Cooling system are shown. Show all
| 3413 | 2005-10-28. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. COOLANT LEAK. EARLY INDICATIONS POINT TO A CORROSION STRESS CRACK ON THE UPPER CLAMP AT THE LOWER RADIATOR HOSE TO THE WATER PUMP CONNECTION. ENGINEERNG IS TESTING....*TT |
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| 3431A | 2005-10-21. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. SERVICE VME - COOLANT LEAK FROM RADIATOR SURGE TANK. *TT |
| 3121 | 2004-11-08. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. EXHAUST VIBRATION RESONANCE OR MOAN IN VEHICLES WITH GEN III V8 ENGINES. *TC |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.