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Repeat HVAC Blower Motor Failure - kw GMT360 GMT805 GMT806 GMT820 GMT830 cold repeat temperature

Subject:Repeat HVAC Blower Motor Failure

Models:.



The following diagnosis might be helpful if the vehicle exhibits the symptom described in the PI.

Condition/Concern:

Repeat blower motor failure.

Recommendation/Instructions:

Instruct the customer not to leave the blower/fan on when turning off the vehicle. It is best to leave it in auto mode as the increased current required during cold ambient starts can cause stress on the blower motor resulting in premature failure.

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Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance.

Models:

(2003-04 Chevrolet Silverado) and (2003-04 Chevrolet Avalanche) and (2003-04 Chevrolet Tahoe) and (2003-04 Chevrolet Suburban) and (2003-04 Chevrolet Trailblazer) and (2003-04 GMC Sierra) and (2003-04 GMC Denali ) and (2003-04 GMC Yukon) and (2003-04 GMC Yukon XL) and (2003-04 GMC Envoy) and (2003-04 Cadillac Escalade) and (2003-04 Oldsmobile Bravada) and (2003-04 Buick Rainier)

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