Ok with the system flushed and new thermastat and hoses on right. Do me a favor and check how hot the hoses get when it has been running a while. If they don't feel that warm then I would recheck the thermastat. You guy might be right as far as the temp comming out, which could be heater control. But I want to make sure you are getting enough heat going to the heater core. When you move the temp control from hot to cold is there much difference in temp not turning on the a/c In reference to a vacuum leak. There is a product that you spray on the hoses. If it finds a leak the engine rpms drop. I had seen it once some time ago. But I can not remember the name of it. They should be able to give you the name at a auto store.
Wednesday, December 17th, 2008 AT 7:37 PM