#air

  1. JustinLM

    Heat only works after I hit a bump with fan speed set to max

    I have a 2002 quad cab 4.7. My Ac works fine but my heat will only work if it is on max, and after I hit a bump or make a sharp turn sometimes, it makes a clunk sound then the heat works. The fan blows fine all the time, I’ve flushed the heater core aswell. Everything else works fine, my...
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