379 hood isolators

Discussion in 'Peterbilt Forum' started by AB Slinger, Nov 12, 2012.

  1. 1johnb

    1johnb Medium Load Member

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    Jun 13, 2012
    New Paris Ohio
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    Pete recommends silicone grease I use sil glide and it works great. My local carquest stocks it.
     
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  3. CG1

    CG1 Light Load Member

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    Aug 22, 2012
    Auburn, NE
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    I use the toe end of my old socks, cut about 4 inches off the toe and slip them over. Can also use the elastic leg part on the other rubbers to keep them quiet also. No grease, no mess!!! PS: I roll them around ever so often to keep them lose and quiet.
     
  4. chnco7088

    chnco7088 Bobtail Member

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    Feb 3, 2013
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    A freind of mine used silk dress socks. Put one on each rubber block. Works like a charm.
     
  5. Klleetrucking

    Klleetrucking Medium Load Member

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    Dec 11, 2010
    S.C.
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    ^^^^^^ YEP^^^^^^

    No lie about gettin your jacket in it though
     
  6. TonyUFN

    TonyUFN Bobtail Member

    13
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    Oct 22, 2008
    Gilmer, TX
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    I took a pair of tube socks, but since the isolators were worn so bad I had to double them over once.
    Worked perfect! Even the slightest bumpy road would have them thumping and squeaking before.
    Now... near silence from the cowl/firewall. Now on to finding the other squeaks & rattles :)

    I don't care if they only last a few months... the quick fix is worth it. But I'm still going to check with the stealer on replacement parts for future reference.
     
  7. Agtrucker

    Agtrucker Light Load Member

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    Dec 14, 2011
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    What kind of noise does this issue tend to make? Since they are of similar design, are these isolators also on 367's?
     
  8. bowtieboy77

    bowtieboy77 Light Load Member

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    80
    Aug 16, 2013
    Southern, Ontario
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    Ok if you want to use the same stuff peterbuilt techs use its eaton fuller o-ring lube its a clear very thick lubricant. I know as I used to be a mechanic at peterbuilt.
     
  9. Passin Thru

    Passin Thru Road Train Member

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    Mar 8, 2007
    VA
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    Use Teflon tape and run it along the edges where the hood and cab meet as it will eventually wear thru the fiberglas. Also you can use any Parke O-ring lube and try to keep it off your hands as it's a thick-sticky grease.
     
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