14423B
Chevrolet technical service bulletin GCUS-9-1493 for 2002-2004 Chevrolet Trailblazer, 2002-2004 GMC Envoy and 2002-2004 Oldsmobile Bravada and others.
- Bulletin number
- GCUS-9-1493
- Component
- Fuel system, other
- 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 vehicles 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 be replaced.
Vehicles covered
- Chevrolet Trailblazer 2002-2004 200220032004
- GMC Envoy 2002-2004 200220032004
- Oldsmobile Bravada 2002-2004 200220032004
- Chevrolet Trailblazer EXT 2002-2004 200220032004
- GMC Envoy XL 2002-2004 200220032004
- Buick Rainier 2004 2004
- GMC Envoy Xuv 2004 2004
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