Unusual AC/Heater Problem
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New User
Joined: Nov 2004
Posts: 3
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Unusual AC/Heater Problem
I am a new user and wish to greet existing users "Hello". I had originally posted to another forum and decided that I needed to post again to this forum.
I have a 1998 F150 and the potentiometer that works the "Cool - Warm" function has now gone bad five times. The second time I decided that the actuator motor on the blend door must have gone bad to be causing this and replaced the actuator also. The door seemed to move freely when I was changing the actuator so this should not be a factor. The potentionmeters work for one to three weeks before totally quitting. There is a period prior to total failure that it can take some jiggling to make it work. I have also checked drawings for grounding points to make sure that the grounds (that I have found) are good. Any help will be appreciated.
Thanks,
Eddy
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I have a 1998 F150 and the potentiometer that works the "Cool - Warm" function has now gone bad five times. The second time I decided that the actuator motor on the blend door must have gone bad to be causing this and replaced the actuator also. The door seemed to move freely when I was changing the actuator so this should not be a factor. The potentionmeters work for one to three weeks before totally quitting. There is a period prior to total failure that it can take some jiggling to make it work. I have also checked drawings for grounding points to make sure that the grounds (that I have found) are good. Any help will be appreciated.
Thanks,
Eddy
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Senior User
Joined: Nov 2004
Posts: 208
Likes: 0
From: SC Coast
Are the replacement parts your using new, used, or reman? Sounds odd to have so many go bad. If your getting them from a parts house try going to a different one. Maybe the ones your getting are from a bad batch.
heater, cooler
