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I am having problems with my 2002 Chevy Trailblazer. The fan sounds like a jet. It just started last night. What is the problem? How much will it cost to get it fixed?
 

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Im having the same issue. I Have just replaces the cooling fan speed sensor(which is actually the engine fan clutch). The engine light and fan are still on continuously, Im am trying to find out if the codes for this has to be reset and if it can be done with out the scanning tool ?.
 

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Im having the same issue. I Have just replaces the cooling fan speed sensor(which is actually the engine fan clutch). The engine light and fan are still on continuously, Im am trying to find out if the codes for this has to be reset and if it can be done with out the scanning tool ?.

just go to the local autostore if your in the US theres places like autozone that sell a scan tool at a resonable price and it always comes in handy
 

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You cango to your local GM shop and they can update a software issue for you that will fix it
 
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