1998 Volvo S70 Tapping noise from under dash whill AC is ru

Tiny
COOLMIKE78
  • MEMBER
  • 1998 VOLVO S70
Air Conditioning problem
1998 Volvo S70 Manual 136000 miles

Hey

My S70 started tapping from under the dash when the passenger side temperature knob is in any position but the highest and lowest setting while the AC is turned on. It sounds like as if I were to take my index finger and just tapped on the dash. It goes away sometimes unexpectedly then it returns. It seems like I can slowly work it to a middle temp setting from either side and it does not cause the tapping. But then again it may return after a while any way. Thanks for your help. Oh and it is not the blower.

Mike
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Wednesday, June 24th, 2009 AT 2:53 PM

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Tiny
JIS001
  • EXPERT
It could be the damper motors that are starting to make noise? You would need toremove sound proof panels and glove box out of the way to look and listen to the damper motors.
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Thursday, June 25th, 2009 AT 4:21 PM

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