Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner

2005 chevy trailblazer

  1. Quality Water Pump

    OEM Issues
    All, I have a 2005 trailblazer (4.2 V6) for which I have changed the water pump 2 times since owning it. As the pump begins to go bad the idle in the car gets rougher and rougher. When I replace the pump it cures the problem until the bearings start to go. I have been replacing it with a $30...
  2. [SOLVED] Need help with engine codes and failure on 2005 TB

    ok I had the following codes, P0106, P0301, P0128, and P0014, I am just shy of 200k miles. We changed the spark plugs out yesterday and disconnected the battery, now when I turn on the recirculation the engine shutters and then dies when I get to a stop or idle point. First question is why it...
  3. 2005 Trailblazer Ignition / Electrical Issues

    Hello all... New guy here with what I'm hoping are not major 2005 Trailblazer (4WD) issues. Background on problems: Approximately 2 weeks ago we had several days of subfreezing temps here in Louisiana. The 2005 Trailblazer had not been run during this period and had sat idle for +/- 10 days...
  4. 2005 chevy trailblazer Front AC not Blowing

    I'm having a problem with my front AC vents not blowing when I turn the AC on. If I turn the rear AC vents on from the front controls and the rear controls, the vents in the back will blow and blow cool air. I have had a problem before the front vents completely shut off in which the front vents...