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Corvette Mike helped me find what my repair shop said I needed but that didn't fix it. Now they say I need a temp actuator. GM does not keep the part any more. The old GM part number was 16025581. My Step-son is the parts manager for our local dealership. He can't find the part. It is electronic. It opens the heater door. Any ideas?
Last edited by Casper; Feb 20, 2009 at 08:26 PM.
Reason: Delete please, didn't know the other post posted
It's the actuator that opens the door inside the heater to let the heat in. It is an electric actuator, the rest as far as I can tell the rest are vacuum.
I have called all the suggested places and they say they are looking for the part also. Someone have any other ideas cause I am not going to e-Bay. I will walk first. Someone has this part.
Pardon me for hi-jacking the post, but...........I also have an 89' with a heater door that will not open/close.
I removed the actuator (like the above pic) and the door works freely. I then checked the actuator connector for voltage. I got weak power on 2 of the terminals.
My question.......does the auto temp controller control this actuator? It would make sense since it is the most expensive component in the system.
Pardon me for hi-jacking the post, but...........I also have an 89' with a heater door that will not open/close.
I removed the actuator (like the above pic) and the door works freely. I then checked the actuator connector for voltage. I got weak power on 2 of the terminals.
My question.......does the auto temp controller control this actuator? It would make sense since it is the most expensive component in the system.