Cadillac Escalade 1999–2004 — technical service bulletin
Bulletin 00634A · NHTSA communication 10004162 · issued Nov 18, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999–2004
model years
33
vehicle entries
Official summary
Gen iii engine noise after hot soak restart. *tt
Vehicles covered
- 2002 Cadillac Escalade
- 2003 Cadillac Escalade
- 2004 Cadillac Escalade
- 2002 Chevrolet Avalanche
- 2003 Chevrolet Avalanche
- 2004 Chevrolet Avalanche
- 1999 Chevrolet Silverado
- 2000 Chevrolet Silverado
- 2001 Chevrolet Silverado
- 2002 Chevrolet Silverado
- 2003 Chevrolet Silverado
- 2004 Chevrolet Silverado
- 2000 Chevrolet Suburban
- 2001 Chevrolet Suburban
- 2002 Chevrolet Suburban
- 2003 Chevrolet Suburban
- 2004 Chevrolet Suburban
- 2000 Chevrolet Tahoe
- 2001 Chevrolet Tahoe
- 2002 Chevrolet Tahoe
- 2003 Chevrolet Tahoe
- 2004 Chevrolet Tahoe
- 1999 GMC Sierra
- 2000 GMC Sierra
- 2001 GMC Sierra
- 2002 GMC Sierra
- 2003 GMC Sierra
- 2004 GMC Sierra
- 2000 GMC Yukon
- 2001 GMC Yukon
- 2002 GMC Yukon
- 2003 GMC Yukon
- 2004 GMC Yukon
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.