Does anyone know what this substance is?
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Does anyone know what this substance is? in Past Cadillac Vehicle Discussion; I noticed this orange substance on the threads of the steering knuckle to strut bolts and I noticed it again ...
  1. #1
    rducote is offline Cadillac Owners Member
    Automobile(s): 2000 Eldorado ETC & 2000 Eldorado ESC
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    QuestionDoes anyone know what this substance is?

    I noticed this orange substance on the threads of the steering knuckle to strut bolts and I noticed it again when I took off the coolant purge line fitting. What is it? Is it sealant or anti-seize or something else? Should I replace it? And if so, with what?

    Here's a picture of what I'm talking about:



    On another note, did you know that the dealership charges over $50 for a replacement coolant fitting bolt like the one shown in the above picture?


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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, install a sound system
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    Re: Does anyone know what this substance is?

    Probably some form of not-too-aggressive sealant/thread locker.

    That purge line bolt/nipple is also a retainer for an engine lift strap, so it may be heat treated, but $50 is a bit much...........

  4. #3
    N*Caddy's Avatar
    N*Caddy is offline Cadillac Owners Master
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    Re: Does anyone know what this substance is?

    Is ok, BMW charges over $70 for a oil drain plug, half the power and double the money

  5. #4
    9302Eldug is offline Cadillac Owners Fanatic
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    Re: Does anyone know what this substance is?

    Kenworth charged me $28 for ONE wiper blade for a customers truck!

  6. #5
    mikeceli is offline Cadillac Owners Member
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    Re: Does anyone know what this substance is?

    pHOTO A LITTLE BLURRY, BUT i AM PRETTY SURE IT IS a thread locking compound, applied when the bolt was manufactured.

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