Buick Rainier 2003–2004 — technical service bulletin
Bulletin 3018 · NHTSA communication 10008804 · issued Jan 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003–2004
model years
28
vehicle entries
Official summary
Engine cylinder head cup plug coolant leak. *mj
Vehicles covered
- 2004 Buick Rainier
- 2003 Cadillac Escalade
- 2004 Cadillac Escalade
- 2003 Chevrolet Avalanche
- 2004 Chevrolet Avalanche
- 2003 Chevrolet Corvette
- 2004 Chevrolet Corvette
- 2003 Chevrolet Express
- 2004 Chevrolet Express
- 2003 Chevrolet Silverado
- 2004 Chevrolet Silverado
- 2003 Chevrolet Suburban
- 2004 Chevrolet Suburban
- 2003 Chevrolet Tahoe
- 2004 Chevrolet Tahoe
- 2003 Chevrolet Trailblazer
- 2004 Chevrolet Trailblazer
- 2003 GMC Envoy
- 2004 GMC Envoy
- 2003 GMC Savana
- 2004 GMC Savana
- 2003 GMC Sierra
- 2004 GMC Sierra
- 2003 GMC Yukon
- 2004 GMC Yukon
- 2003 Hummer H2
- 2004 Hummer H2
- 2004 Pontiac Gto
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.