Chevrolet C Series 1996–1999 — technical service bulletin
Bulletin 990604016 · NHTSA communication 606549 · issued May 1, 1999
Technical service bulletin
communication type
Engine and Engine Cooling
component
1996–1999
model years
16
vehicle entries
Official summary
Subject regarding engine surge while trailering. *tt
Vehicles covered
- 1996 Chevrolet C Series
- 1997 Chevrolet C Series
- 1998 Chevrolet C Series
- 1999 Chevrolet C Series
- 1996 Chevrolet K Series
- 1997 Chevrolet K Series
- 1998 Chevrolet K Series
- 1999 Chevrolet K Series
- 1996 GMC C Series
- 1997 GMC C Series
- 1998 GMC C Series
- 1999 GMC C Series
- 1996 GMC K Series
- 1997 GMC K Series
- 1998 GMC K Series
- 1999 GMC K Series
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.