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no heat

  1. '06 TB with no heat at all

    OEM Issues
    I am trying to diagnose a really stubborn heat problem on my 06 Trailblazer. There's no heat at all, ever. Took it to shop, who kept it for a week while I was out of town. First they said the core was blocked, but they say they flushed it out. They say that that both hoses are warm (I...
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