The heater switch will not go off vent to defog or heater. Whats the problem?
Friday, February 1st, 2013 AT 1:21 PM
You can turn it but it won't change. Can you hear a hissing noise in the car on the right side or under the hood. It sounds like you may have a broken vacuum line, They generally break near the intake manifold due to being exposed to heat and they are just plastic