Timing chain tensioner breakpoints for service kit or production fix
Chevrolet technical service bulletin 01485 for 2003 Chevrolet Silverado, 2003-2004 Chevrolet Blazer and 2003-2004 Chevrolet S10 and others.
- Bulletin number
- 01485
- Component
- Engine and engine cooling: engine
- Summary
- Timing chain tensioner breakpoints for service kit or production fix. Rattle-type noise coming from the engine at approximately 1800 to 2200 rpms. 4.3l lu3 l35 engine. Tt
Owners of these vehicles have filed 98 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 2003 2003
- Chevrolet Blazer 2003-2004 20032004
- Chevrolet S10 2003-2004 20032004
- GMC Sierra 2003-2004 20032004
- Chevrolet Astro 2003 2003
- GMC Sonoma 2004 2004
- GMC Safari 2003-2004 20032004
- Chevrolet Express 2003 2003
- GMC Savana 2003-2004 20032004
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