Chevrolet Avalanche 2001–2002 — technical service bulletin
Bulletin 020601035 · NHTSA communication 10000170 · issued Oct 1, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2002
model years
25
vehicle entries
Official summary
High oil consumption. *tt
Vehicles covered
- 2002 Chevrolet Avalanche
- 2001 Chevrolet B7
- 2002 Chevrolet B7
- 2001 Chevrolet C6500
- 2002 Chevrolet C6500
- 2001 Chevrolet C7500
- 2002 Chevrolet C7500
- 2001 Chevrolet Express
- 2002 Chevrolet Express
- 2001 Chevrolet Silverado
- 2002 Chevrolet Silverado
- 2001 Chevrolet Suburban
- 2002 Chevrolet Suburban
- 2001 GMC B7
- 2002 GMC B7
- 2001 GMC C6500
- 2002 GMC C6500
- 2001 GMC C7500
- 2002 GMC C7500
- 2001 GMC Savana
- 2002 GMC Savana
- 2001 GMC Sierra
- 2002 GMC Sierra
- 2001 GMC Yukon XL
- 2002 GMC Yukon XL
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.