Question about 2002 Chevrolet Trailblazer Ext
2003 envoy code p0495 comes up engine seems to rev very high at about 2000 rpm then settles down
Its your fan clutch
i've replace them before very hard you need to take fron clip of bumper
Posted on May 08, 2010
A few weekends ago I had to replace the fan clutch on my '06 Trailblazer EXT LS. In addition to getting the P0495 code from the check engine light, when I rev'd it up it sounded like a jet engine. I knew I was in need of a new fan clutch. After looking under the hood I also noticed the pully on the water pump was wobbling as it spun so I replaced that as well. Since I was in there I also replaced the serpentine belt since it is a cheap replacement. This was the first time I'd done anything beyond brakes and rotors to this TB. I tried to document the steps I took so that I could pass it on to some other DIY'er having the same issue. Below is the website I document things like this on. I hope it helps. Let me know if you have any questions.
Posted on Mar 25, 2012
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Posted on Jan 02, 2017
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