Chevrolet Sierra 1999–2002 — technical service bulletin
Bulletin 270901 · NHTSA communication 626427 · issued Sep 27, 2001
Technical service bulletin
communication type
Suspension
component
1999–2002
model years
16
vehicle entries
Official summary
Some vehicles equipped with 4-wheel drive extended cab and short bed may experience a bump or clunk on stop or acceleration. *slc
Vehicles covered
- 1999 Chevrolet Sierra
- 2000 Chevrolet Sierra
- 2001 Chevrolet Sierra
- 2002 Chevrolet Sierra
- 1999 Chevrolet Silverado
- 2000 Chevrolet Silverado
- 2001 Chevrolet Silverado
- 2002 Chevrolet Silverado
- 1999 GMC Sierra
- 2000 GMC Sierra
- 2001 GMC Sierra
- 2002 GMC Sierra
- 1999 GMC Silverado
- 2000 GMC Silverado
- 2001 GMC Silverado
- 2002 GMC Silverado
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.