Intermittent A/C Blower fan

Tiny
AIRBUS
  • MEMBER
  • CADILLAC DEVILLE
Cadillac devil concur 4.3 A/C composer engages radiator fan works the clutch also engages but the blower fan works intermittently it works for few hours than it quiets and than work again next it works for a few minutes than off it goes and come back again in few more minutes. At all time the compressor and the clutch is engaged. And the system is working but it is just the fan blower that quiets and comes back by it self
Thursday, July 12th, 2007 AT 2:18 PM

2 Replies

Tiny
ILCHIMAN
  • MEMBER
  • 6 POSTS
I'm not a mechanic but hopefully this will help. When I had this problem on my car, I found out that it was the "blower relay." The connection between wiring and the blower relay was corroded. Simply disconnecting and reconnecting seems to have solved the problem.
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Monday, July 30th, 2007 AT 5:16 PM
Tiny
ICLIMBROOFS
  • MEMBER
  • 2 POSTS
I have a 2003 Cadillac Deville DTS, 105000 miles. Similar problem except blower will not come on unless front passenger door is slammed or right upper dash is hit hard. Sounds like a loose connection, but not sure how to get to it. Any help?
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Thursday, August 2nd, 2007 AT 9:31 AM

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