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November 1, 2004 Service bulletin

Whistle hiss hum noise heard when AC is on

Chevrolet technical service bulletin 040138012 for 2004-2005 Chevrolet Colorado and 2004-2005 GMC Canyon.

Bulletin number
040138012
Component
Equipment: appliance: air conditioner
Summary
Whistle hiss hum noise heard when AC is on. Eh updated eh

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