Chevrolet Avalanche 1998–2002 — technical service bulletin
Bulletin 020604023 · NHTSA communication 634723 · issued May 1, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
1998–2002
model years
39
vehicle entries
Official summary
Some customers may comment on a mild to severe engine ping (spark knock) during acceleration and / or illuminated malfunction indicator lamp with diagnostic trouble code p0332 set. *tt
Vehicles covered
- 1999 Chevrolet Avalanche
- 2000 Chevrolet Avalanche
- 2001 Chevrolet Avalanche
- 2002 Chevrolet Avalanche
- 1998 Chevrolet Camaro
- 1999 Chevrolet Camaro
- 2000 Chevrolet Camaro
- 2001 Chevrolet Camaro
- 2002 Chevrolet Camaro
- 1998 Chevrolet Corvette
- 1999 Chevrolet Corvette
- 2000 Chevrolet Corvette
- 2001 Chevrolet Corvette
- 2002 Chevrolet Corvette
- 1999 Chevrolet Silverado
- 2000 Chevrolet Silverado
- 2001 Chevrolet Silverado
- 2002 Chevrolet Silverado
- 1999 Chevrolet Suburban
- 2000 Chevrolet Suburban
- 2001 Chevrolet Suburban
- 2002 Chevrolet Suburban
- 1999 GMC Sierra
- 2000 GMC Sierra
- 2001 GMC Sierra
- 2002 GMC Sierra
- 1999 GMC Tahoe
- 2000 GMC Tahoe
- 2001 GMC Tahoe
- 2002 GMC Tahoe
- 1999 GMC Yukon
- 2000 GMC Yukon
- 2001 GMC Yukon
- 2002 GMC Yukon
- 1998 Pontiac Firebird
- 1999 Pontiac Firebird
- 2000 Pontiac Firebird
- 2001 Pontiac Firebird
- 2002 Pontiac Firebird
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.