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gdonzi
 
Join Date: Sep 2017
Location: new orleans
Posts: 2
Angry cabin fans issue

Hi, Replaced both cabin fans and rear heater fan also a/c condenser fan and resistor but now the cabin fans will blow at high speed at times then low speed even though the CCU control knob is set at max and idea why??

Old 09-26-2017, 06:00 PM
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86 911 Targa's Avatar
 
Join Date: Jun 2009
Location: Manhattan Beach, California. Factory Delivery-Original owner-Retired engineer
Posts: 5,238
Ccu

Quote:
Originally Posted by gdonzi977 View Post
Hi, Replaced both cabin fans and rear heater fan also a/c condenser fan and resistor but now the cabin fans will blow at high speed at times then low speed even though the CCU control knob is set at max and idea why??
Defective CCU knob contacts?
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1986 911 Targa.
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Old 09-26-2017, 06:03 PM
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gdonzi
 
Join Date: Sep 2017
Location: new orleans
Posts: 2
I had the CCU rebuilt two years ago and had the car scanned and no fault codes.

Old 09-27-2017, 07:20 AM
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