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2006 GMC Yukon Denali

Question: 2006 Yukon denali overheating/coolant fans won't come on

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denali hater, Hesperia, CA, March 07, 2010, 17:43
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 Rookie

My coolant fans stopped working and my car keeps overheating. We have changed the relays, the fuse, flushed the coolant system, and replaced the water pump. Anything else we can do?

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  • Answer #1

    Oakman March 08, 2010, 21:56
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     Master

    Try correctly diagnosing the non-operational cooling fans on your 2006 GMC Yukon Denali using a test light and the proper wiring diagram. You could also try checking the PCM for any fault codes.

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