Chevrolet Express 2001–2003 — technical service bulletin
Bulletin 00428E · NHTSA communication 10007848 · issued Jan 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2003
model years
17
vehicle entries
Official summary
Higher than expected oil consumption even after the intake bolts were replaced per 02-06-01-035. *tt
Vehicles covered
- 2001 Chevrolet Express
- 2002 Chevrolet Express
- 2001 Chevrolet Silverado
- 2002 Chevrolet Silverado
- 2003 Chevrolet Silverado
- 2001 Chevrolet Suburban
- 2002 Chevrolet Suburban
- 2003 Chevrolet Suburban
- 2001 GMC Savana
- 2002 GMC Savana
- 2003 GMC Savana
- 2001 GMC Sierra
- 2002 GMC Sierra
- 2003 GMC Sierra
- 2001 GMC Yukon
- 2002 GMC Yukon
- 2003 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.