Cadillac CTS 2003–2004 — technical service bulletin
Bulletin 02013 · NHTSA communication 10007119 · issued Jan 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003–2004
model years
22
vehicle entries
Official summary
Coolant leak from head cup plugs on gen iii engines. *mr
Vehicles covered
- 2004 Cadillac CTS
- 2003 Cadillac Escalade
- 2004 Cadillac Escalade
- 2003 Cadillac Escalade Ext
- 2004 Cadillac Escalade Ext
- 2003 Chevrolet Avalanche
- 2004 Chevrolet Avalanche
- 2003 Chevrolet Corvette
- 2004 Chevrolet Corvette
- 2003 Chevrolet Silverado
- 2004 Chevrolet Silverado
- 2003 Chevrolet Suburban
- 2004 Chevrolet Suburban
- 2003 Chevrolet Tahoe
- 2004 Chevrolet Tahoe
- 2003 GMC Sierra
- 2004 GMC Sierra
- 2003 GMC Yukon
- 2004 GMC Yukon
- 2003 GMC Yukon XL
- 2004 GMC Yukon XL
- 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.