Thread: Coolant leak

Originally Posted by mcmike4817

She has dual heat, one for both driver and front passenger. The fan was working but blowing cold air, both sides. This happened just one time as, far as I know, last Sat. 2002 Grand Prix. Automatic, a/c 145,000 miles

the heat problem could also be the blend door actuators. if the the hose to the heater core are both hot, theres no air, and the core is working.

this is the how to if you need it. http://www.grandprixforums.net/blend...ent-21941.html