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HVAC Blower Intermittently working.

Posted: Thu Aug 27, 2009 6:57 pm
by DMONEY
The HVAC blower works intermittently, driving over bumps will sometimes cause it to turn on/off. Going around corners causes the fan speed to change. If I turn the car off while the blower is working, it works when I start back up. If its not working when I turn the car off, it wont work when started up again.

I should probably check the voltages on the motor itself, but I am kinda lazy right now. Ideas?

Posted: Fri Aug 28, 2009 3:57 pm
by Legacy777
Check the motor.

Also the HVAC control unit is known for bad solder joints. This may also be a cause of your problem.

http://bbs.legacycentral.org/viewtopic.php?t=1142

Posted: Sat Aug 29, 2009 5:17 am
by Soul Shinobi
Taking mine apart and cleaning it fixed mine, but mine was never really intermittent.