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03 trailblazer,noise when you accelerate

03-22-2011, 06:26 PM
Only when you accelerate it makes a noise like the fan clutch or somthing. It only does it when first gear winds up and second.Its not the trans. Its coming from the front of the motor. We just bought the trailblazer and its new to us. I am a mechanic( I rebuild transmissions) but i can not figure out what this is to save my life. If anyone might have an idea, please let me know. Like i said it only does it when you take off kinda hard. When first gear winds up and second. Sounds to me like the fan of fan clutch but not sure. Thanks for any help

03-23-2011, 11:04 AM
the fan clutch was a chronic issue with these trucks, open the hood and see if it is spinning too fast and making the " helicopter" sound.

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