Last post on Aug 04, 2009 at 8:49 PM
You are in the Chevrolet TrailBlazer
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Chevrolet TrailBlazer, Chevrolet TrailBlazer EXT, SUV
#1 of 4 2002 chevytralblazer coolant fan overspeed
Aug 03, 2009 (4:36 pm)
my 02 trailblazer coolant fan is making a loud roaring noise on acceleration.my service engine light is on and i had it read and its comming up as coolant fan overspeed.any ideas what the problem might be.
#2 of 4 Re: 2002 chevytralblazer coolant fan overspeed [mykle315]
Aug 03, 2009 (8:23 pm)
The viscous clutch has probably gone out, causing the fan to run at high speed all the time.
#3 of 4 Re: 2002 chevytralblazer coolant fan overspeed [burdawg]
Aug 04, 2009 (1:50 pm)
thank you for ur reply.do u know what this special wrench that i need is
#4 of 4 Re: 2002 chevytralblazer coolant fan overspeed [mykle315]
Aug 04, 2009 (8:49 pm)
No, sorry, I haven't had to change one myself.