Chevrolet Blazer 1997–2004 — technical service bulletin
Bulletin 01727 · NHTSA communication 10006363 · issued Jan 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997–2004
model years
23
vehicle entries
Official summary
4.3 l35 lu3 rattle or buzz noise from engine. Sit bulletin 1457619. *tt
Vehicles covered
- 1997 Chevrolet Blazer
- 1998 Chevrolet Blazer
- 1999 Chevrolet Blazer
- 2000 Chevrolet Blazer
- 2001 Chevrolet Blazer
- 2002 Chevrolet Blazer
- 2003 Chevrolet Blazer
- 2004 Chevrolet Blazer
- 1997 Chevrolet S10
- 1998 Chevrolet S10
- 1999 Chevrolet S10
- 2000 Chevrolet S10
- 2001 Chevrolet S10
- 2002 Chevrolet S10
- 2003 Chevrolet S10
- 2004 Chevrolet S10
- 2001 Chevrolet Sonoma
- 2002 Chevrolet Sonoma
- 2003 Chevrolet Sonoma
- 1997 GMC Sonoma
- 1998 GMC Sonoma
- 1999 GMC Sonoma
- 2000 GMC Sonoma
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.