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Discussion Starter #1
Hey guys so I’ve got an 07 trailblazer with about 150k and a few things have recently been happening. Sometimes i notice that the engine makes almost a whining or sound that resembles a fan blowing, and on 1 occasion it cut my check engine light on but turned off after turning the car off. And it happens when i usually first fire up the car. Any ideas?
 

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2004 gmc envoy_slt
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That is the fan clutch starting to fail. When replacing it, make sure to get either an OEM replacement or a good quality aftermarket one like Hayden.
 
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