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Replacing alternator on 2005 chevy trailblazer

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  • Anonymous Dec 12, 2008

    dvanvught obviously has never seen where the alternator is on a trailblazer ... what a tard. I am currently trying to replace my alternator and am finding that I have to take all kinds of **** out to get to it. I can't imagine how much a dealer would charge in labor for one of these things. Cars are built now to make it impossible for a consumer to work on it ... and it SUCKS! When a damn headlight bulb goes out the freakin owners manual tells you to take it in ... freakin ridiculous.

  • bperras Jan 28, 2009

    I have a 2002 Trailblazer and for the last 10 months something is draining my battery every night, 4 batteries later, a starter, and a couple of different relays its not fixed. Yesterday we tried to change the alternator ourselves but we can't figure out how to get it out of that small space. Plus the bolt on the bottom of the alternator is some odd size and can't seem to get it off. My question is .... is it possible to even get this out ourselves or is a large labour repair bill in my future especially if I'm not sure this will solve my problems.



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  • 46 Answers

Unbolt it, take it out, put new one in. Remember to put bolts back and tighten!

Posted on Aug 10, 2008


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SOURCE: I have a 2002 Chevy Trailblazer. Just replaced

If you unhooked battery it will need to relearn its idle position, should help if you clean throttle blade edge and body of carbon so proper amount of idle air can enter engine.

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SOURCE: Replacing the rear brake pads on a 2005 trailblazer

if there are no slots for a tool to fit in, then you should be able to retract then with a C-clamp

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could be the oil pump in the motor.

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SOURCE: 2005 Trailblazer Ext: how doi fix a gas gauge on my chevy trailblazer 20...

Common problem on the 03-06 Trailblazer instrument clusters for the fuel gauge to go out. It's usually caused by one of two main problems, either the stepper motor on the cluster's circuit board is going out or the sending unit on the fuel pump is going out. Check out this blog post about the problem - Trailblazer fuel gauge problems

Posted on Sep 30, 2010

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