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March 1, 2004 Service bulletin

Poor heater performance - 2ND and 3RD row seats

Chevrolet technical service bulletin 040139002 for 2002-2004 Chevrolet Trailblazer and 2002-2004 GMC Envoy.

Bulletin number
040139002
Component
Equipment: electrical
Summary
Poor heater performance - 2nd and 3rd row seats. Tt

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