Electric cooling fan

PLEWISSR77

MEMBER
1998 CADILLAC DEVILLE
V8
120,000 MILES

Why does the cooling fan only comes on when the ac switch is turned on?

Wednesday, December 22nd, 2010 AT 2:28 PM

1 Reply

JDL

MECHANIC
16,098 POSTS

Any applicable trouble codes? How high does the temp go? I don't believe the radiator fans will even come on till about 220 degrees. The coolant temp sensor could cause an issue? Without more info, hard to tell?

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