Yea, the whole heater system is sh$%. We all get one of these problems at some stage, all can be fixed but still a pain in the ass. Moving the temp control and not hearing the motors? Clean the terminals that the switch slides on. These plates have some type of switch lubricant on them from factory and this grease holds dust and dirt. etc. I cleaned mine, and put some new switch lube on it and no problems since.
Another problem is the fan not working on the lower settings. Apparently it can be fixed by something under the glove box?? This is the last problem with my heating system i need to fix. Air in the system, for me was a head gasket, which has just been fixed.
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If only my Supra had a Novarossi!
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