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  1. General
    I have an 04 trailblazer that's throwing a P0526 error. The tb loves to overheat really bad, and when it's on it looks like the fan isn't spinning nearly as fast as it should. The connection looks fine, so I heard it's most likely the fan clutch. I heard about a lot of people just upgrading to...
  2. 02-09 Vortec 4.2L I-6 Engine and Drivetrain
    My 2004 Envoy is running about 20º cool when driving at highway speeds, in town at low speeds temperature goes back to normal. I also noticed while investigating that my radiator fan comes on with cold starts and seems to stay on. I assume this is two different issues since I don't imagine...
  3. The 02-09 "How-To" and DIY Section
    I just got a new A/C system installed. New compressor, condenser, Accumulator. When I shut off the engine, after a 30 min. or so drive using the A/C. About 30 seconds later I hear a gurgling sound. At first I thought it was the Coolant Reservoir so I tried to burp the radiator with no avail...
  4. General
    About a month ago I started having issues with the AC clutch turning off/on while I was idling (picking up my son from school) and a bad vibration from the engine bay. It would do it constantly (like every 2-3 mins) and just would not cool. Once I started moving it would instantly start cooling...
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