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Removing frozen bolts from aluminum

Discussion in 'The Hokey Ass Message Board' started by polisher, Jan 28, 2005.

  1. polisher
    Joined: Jul 28, 2002
    Posts: 651

    Alliance Vendor

    Only works if part is off the motor, but I remove frozen studs, bolts and stuff like that from aluminum by throwing it in my nitric tank.
    Eats the steel in a few hours and doesn't attack the aluminum.
    So if you got an old aluminum part with a stuck bolt find your local plater, he'll get it out.
  2. fab32
    Joined: May 14, 2002
    Posts: 13,994

    Member Emeritus

    Good information to know. Thanks for posting it.

  3. Yes, cool tip! Check yer PMs in a bit. I have a question.
  4. Automotive Stud
    Joined: Sep 26, 2004
    Posts: 3,666

    Automotive Stud

    I've had good luck with a little heat, either from a heat gun or small torch. I got all the plugs out of a set of aluminum heads that had been sitting off the car for 30+ years by soaking them with some penetrant for a couple hours and using a heat gun on them.
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  5. polisher
    Joined: Jul 28, 2002
    Posts: 651

    Alliance Vendor

    I've also seen a cool trick where the part ( a sump plug) was warmed with a torch and then wax from a crayon put on it, as it cooled I guess the wax must have got into the thread, or something, but the plug came out easy.
  6. MoFoMOD
    Joined: Jun 19, 2003
    Posts: 134

    from SO CAL USA

    bacon grease with a little heat works too.
  7. Flat Ernie
    Joined: Jun 5, 2002
    Posts: 8,336

    Flat Ernie
    Tech Editor

    earwax is better!:eek:

  8. Bugman
    Joined: Nov 17, 2001
    Posts: 3,484


    Wax works killer for getting stuck stuff unstuck. I didn't believe it untill I tried it. Now I'm one of the converted :)

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