Horrible Squeking
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500, 472, 425, 368 Discussion, Horrible Squeking in Cadillac Engine Technical Discussion; I Have A Horrible Squeking Sound Inside My Cab, Found Out It Is My Speedo Tube. Anyone Ever Grease That ...
  1. #1
    THE1ANDONLY's Avatar
    THE1ANDONLY is offline Cadillac Owners Member
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    Horrible Squeking

    I Have A Horrible Squeking Sound Inside My Cab, Found Out It Is My Speedo Tube. Anyone Ever Grease That Tube Before? If So How Was It? Any Troubles? Tips? (1970 Coupe De Ville)

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  3. #2
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
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    Re: Horrible Squeking

    There is a tool which will allow the speedo cable to be greased by unscrewing it from the transmission end. It adapts to a zirc fitting. You have to go very slowly while greasing. Use a hand pump otherwise the cable will blow apart. Alternative is to pull the cable center out, grease, reinstall.

  4. #3
    limousine rider's Avatar
    limousine rider is offline Cadillac Owners Member
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    Re: Horrible Squeking

    Quote Originally Posted by The Ape Man View Post
    There is a tool which will allow the speedo cable to be greased by unscrewing it from the transmission end. It adapts to a zirc fitting. You have to go very slowly while greasing. Use a hand pump otherwise the cable will blow apart. Alternative is to pull the cable center out, grease, reinstall.

    He can also replace it with a new one if the old one is to far gone.

  5. #4
    THE1ANDONLY's Avatar
    THE1ANDONLY is offline Cadillac Owners Member
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    Re: Horrible Squeking

    I Was Going To Pull My Dash Apart But Did'nt Know What I Was Getting Into. So Is There A Zirc Fitting On My Tranny? If So Is That All That I Grease (what Kind Of Grease)?

  6. #5
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
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    Re: Horrible Squeking

    No. It's a tool that screws into the cable at the lower end.

  7. #6
    THE1ANDONLY's Avatar
    THE1ANDONLY is offline Cadillac Owners Member
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    Re: Horrible Squeking

    Where Can I Find That Tool?

  8. #7
    Brother_B's Avatar
    Brother_B is offline Cadillac Owners Fanatic
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    Re: Horrible Squeking

    Good luck finding that tool. I highly recommend that you try to find it before you take the dash apart. I replaced my speedo cable recently, and I haven't been able to get it working again yet. The hugest pain in the ass was the part behind the dash. I ended up dismantling the radio and heater controls before I could get enough access to get to the end that connects to the gage. (Then again, I've got Gumby fingers.) If you can get away with just removing the tranny end of the cable and pump grease in that way, do it. As for the type of grease, the new cable came with some special "speedo grease". No idea what exactly it was, it was just called speedo grease. All I know is it was yellowish-brownish. Maybe you can buy some. Back when I did mine, looking around a little bit, I found out that white lithium grease or wheel bearing grease have been used. Now that I think about it, I bet grease may be my problem, so I am going to try to find this tool as well.

  9. #8
    Koooop's Avatar
    Koooop is offline Cadillac Owners Master
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    Re: Horrible Squeking

    The Cruise Control can cause the squeak as well. You'll probably notice the speedo needle is bouncing as well when the squeak is going. My Eldo is doing it, it sucks. I gonna start by having the cable lubed, if that doesn't work then I may just bypass the cruise with a new standard speedo cable for a car w/o cruise.

  10. #9
    BluEyes's Avatar
    BluEyes is offline Cadillac Owners Enthusiast
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    Re: Horrible Squeking

    If the car has cruise and the squeaking is definately from inside the cabin, then greasing the lower cable at the trans won't help, you'd need to grease the upper cable that runs from the cruise controll 'brain' to the dash.

    As for pulling the dash apart, I've had my '70 apart a few times and it is by far the easiest dash I have ever seen to take apart and together. Grab a FSM off Ebay and it will be really easy as long as you have a reasonable mechanical aptitude.

  11. #10
    cadillacmike68's Avatar
    cadillacmike68 is offline Cadillac Owners Connoisseur
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    Re: Horrible Squeking

    The 1970 is a lot easier to take apart then the 69 whcich itself is many times easier than the 68s. I know - have been in all three. They didn't make the 68 to be taken apart easily. Just wait until you have to change a front side marker or cornering light!!!

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