heater controls don't have any control

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when the heater controls are set to defrost, heat, bilevel..., the unit blows to vent and defrost arbitralily when it wants

tmenster in Sumner WA

Mar 7, 2011

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What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 1994 Chevrolet Corsica. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

heater controls don't have any control

What is your question?

when the heater controls are set to defrost, heat, bilevel..., the unit blows to vent and defrost arbitralily when it wants

tmenster in Sumner WA

Mar 7, 2011

1 Reply

Popular Answer

Jameswon Mar 7, 2011

The heater control on this car uses engine vacuum to operate the solenoids for the air distribution doors. You either have a broken vacuum line, defective controller, or defective solenoid valve. We would be happy to diagnose the problem for you if you get stuck. James Wallace www.euroasiangarage.com

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Popular Answer

What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 1994 Chevrolet Corsica. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.