Buick Rainier 2002–2004 — technical service bulletin
Bulletin GCUS-9-1493 · NHTSA communication 10079705 · issued Jan 12, 2016
Technical service bulletin
communication type
Fuel System, Other
component
2002–2004
model years
17
vehicle entries
Official summary
14423b - special coverage (revised part information and service procedure). A fuel tank inlet check valve (icv) could fracture. The icv is located above the full fuel level. A fractured icv could allow fuel vapors to pass through and droplets of fuel to accumulate on the side of the fuel tank as it passes over the fracture during refueling. If the icv fractures, the vehicle s service engine soon (ses) light may illuminate, and the owner may notice a fuel odor and/or a few drops of fuel on the ground when refueling the vehicle. If the condition occurs within the stated terms, the fuel tank will
Vehicles covered
- 2004 Buick Rainier
- 2002 Chevrolet Trailblazer
- 2003 Chevrolet Trailblazer
- 2004 Chevrolet Trailblazer
- 2002 Chevrolet Trailblazer Ext
- 2003 Chevrolet Trailblazer Ext
- 2004 Chevrolet Trailblazer Ext
- 2002 GMC Envoy
- 2003 GMC Envoy
- 2004 GMC Envoy
- 2002 GMC Envoy XL
- 2003 GMC Envoy XL
- 2004 GMC Envoy XL
- 2004 GMC Envoy Xuv
- 2002 Oldsmobile Bravada
- 2003 Oldsmobile Bravada
- 2004 Oldsmobile Bravada
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.