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TrailBlazer 2002-2009
The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
Platform: GMT 305, 360, & 370.

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Old 07-06-2012, 08:17 AM
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Join Date: Jul 2012
Posts: 2
Default 2003 Trailblazer Clutch Fan

Hi there, a couple of months ago I replaced my clutch fan in my 2003 Chevy Trailblazer however the check engine light has never gone away. Every mechanic even Chevy ones all tell me the same thing, that it's the clutch fan. Do I really have to replace it again? Could it be something else? I failed my emissions due to this which is stupid since now I've started to get pulled over for my inspection sticker yet none of the mechanics I go to can fix my vehicle and frankly I don't have the money to keep paying them for nothing. If anyone has any ideas please let me know, I need this vehicle to get to and from work or else.
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Old 07-06-2012, 09:04 AM
in2pro's Avatar
Join Date: Apr 2008
Location: Austin, Texas
Posts: 7,090

Welcome to the forum, can you provide more specifics on the error or code?
I am not aware of a "fan clutch" causing a check engine light other then a possible over heating issue...
Anymore details you can provide would help narrow it down...

Is it possible its P0641? for the engine cooling fan speed sensor?

Last edited by in2pro; 07-06-2012 at 09:06 AM.
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Old 07-06-2012, 03:08 PM
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Join Date: Jul 2012
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The code is P1482
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Old 07-06-2012, 06:19 PM
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Join Date: Apr 2012
Location: Miami, FL.
Posts: 1,892

My 03 Trailblazer had problems with the fan clutch. It was replaced by the dealer but was never right. Finally the relay caught fire and burned up the whole fuse box. Dealer said that never happened before and refused to repair it under warranty even though I had paid for extended full warranty. A phone call to Customer Service took some time but they said it should be covered and told dealership to repair under warranty.
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