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AIR Check Valve Won't Come loose

This is a discussion on AIR Check Valve Won't Come loose within the General Help forums, part of the LSx Technical Help Section category; Is there a trick to unscrewing the AIR check valve off of the tube? Mine doesn't want to budge. I ...

  1. #1
    Member jimmy77611's Avatar
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    2000 Z28

    AIR Check Valve Won't Come loose

    Is there a trick to unscrewing the AIR check valve off of the tube? Mine doesn't want to budge. I sprayed liquid wrench and let it soak, still nothing. If I pull any harder on the wrenches, it seems like I'll mess up the hex nuts!

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    Member fast enough Z28's Avatar
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    silver
    98 camaro z28 m6

    Did you heat the car up pretty good!

  3. #3
    Member jimmy77611's Avatar
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    It was pretty warm from driving, but I didn't try heating the threads with a torch. I have one of those plumbing type propane torches, maybe I'll try that.

  4. #4
    Impounded
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    99 TA

    pull the tube off the car and put in in a vise then remove it.They get stuck on hard enough that you may break something off if you don't do in in a vise.Put high temp antisieze on the new one so the next time they will remove easily.

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