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  1. 4x4 Drivetrain
    Just bought this 2003 with 160K miles on it. The only transmission fluid (TF) change information I have on it is the previous owner had it for 20K miles and didn't change it. It's in the shop for tie rod replacement and front axle work. Talked to the shop manager about the TF fluid, and he said...
  2. The 02-09 "How-To" and DIY Section
    http://www.youtube.com/watch?v=IhBebL0JeAs A quick simple explanation of how to change spark plugs in a 2005 or later Chevrolet Trailblazer. You don't need to be super handy to do this, and it will save you money! * The only slightly difficult part is the removing the wire harness to get at...
  3. OEM Issues
    Just wondering...what is the normal running oil pressure on the I6 and how much should it fluctuate from low to high rpm's?
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