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  1. The 02-09 "How-To" and DIY Section
    Hello, I have recently replaced my head gasket in my 2004 trailblazer, 4.2I 4x4. Everything went back as it should, I put the valve cover back on, got everything connected. Here is my delima. When you put the wiring harness back on top of the valve cover, and you have 2 main wires that run up...
  2. OEM Issues
    I just finished a complete engine overhaul on my '03 TB 4.2L. It took entirely too long (8 months) and over the course I had several people help me. I have the engine back in and everything it great, except for an "extra" vent line not on the vehicle! This one is about 3' in length. I've looked...
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