04 explorer weird knocking noise
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04 explorer weird knocking noise
Hey guys, so trying to help a buddy with his explorer..
When you turn the interior ac temperature **** from cool to warm there is a loud knocking noise coming from under the dash. I am new to working on explorers but it seem like its coming from the black box nearest the firewall above the transmission tunnel. When you turn it to cold the noise almost completely goes away. The noise gets even louder when you mess with the selector **** for "max ac" "head and feet" "feet" ect. Any ideas or has anybody else had this problem?
When you turn the interior ac temperature **** from cool to warm there is a loud knocking noise coming from under the dash. I am new to working on explorers but it seem like its coming from the black box nearest the firewall above the transmission tunnel. When you turn it to cold the noise almost completely goes away. The noise gets even louder when you mess with the selector **** for "max ac" "head and feet" "feet" ect. Any ideas or has anybody else had this problem?
Thread Starter
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New User
Joined: Dec 2012
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Cool well now I know what to search for. Thanks. Never in a million years would I have guessed blend door. Didn't even know that was a thing. Thanks for the nudge in the right direction
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