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rpmdiag
rpmdiag, Tech and Instructor
Category: Car
Satisfied Customers: 6987
Experience:  Since 1975
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climate control problem, the coolant system is ok but the heat si

Customer Question

climate control problem, the coolant system is ok but the heat si on full heat and will not regulate. the only way is to turn it off.
Submitted: 7 years ago.
Category: Car
Expert:  rpmdiag replied 7 years ago.

HiCustomer

 

This sounds like a blend door stuck or broken inside the heater box. It will cause exactly what you say.

 

Thanks,

 

Ron

rpmdiag and 4 other Car Specialists are ready to help you
Customer: replied 7 years ago.

can this be fixed by a regular shop or must have a dealer fix it.

 

Expert:  rpmdiag replied 7 years ago.

A regular shop can do it for sure.

 

Thanks again,

 

Ron