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  1. The "How-To" and DIY Section
    Hello, I recently acquired a 2003 Trailblazer LS 4x4 with 77K miles. How can I tell if radiator hoses really need replacing? After reading some other posts, do I REALLY need to disconnect the battery? I'm concerned that the "tuning" over time that the OBC has done to the mixture, etc. will be...
  2. General
    2006 Vortec 4200 with 130,000 miles. I've been smelling Antifreeze emitting from the engine compartment when I exit the Envoy. I had the radiator flushed a month or so ago and it started after that. I decided to stop being lazy and opened the hood today and there seems to be a leak coming from...
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