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Thread: strange noise
          
   
   

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  1. #1
    chiefsaj is offline CHR Member Visit my Photo Gallery
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    Apr 2005
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    tewksbury
    Car Year, Make, Model: 1970 fastback
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    35

    strange noise

     



    1970 351 w w/ auto tranny, when engine has been running for a while, there is a strange thumping. it can actually be felt through the brake peddle at a stop with car in gear. take it out of gear and it seems to stop. any ideas?

  2. #2
    chiefsaj is offline CHR Member Visit my Photo Gallery
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    tewksbury
    Car Year, Make, Model: 1970 fastback
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    unfortunatley it only has a bout 5000 miles. seems to me i recall a crankshaft dampner doing something similiar

  3. #3
    chiefsaj is offline CHR Member Visit my Photo Gallery
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    tewksbury
    Car Year, Make, Model: 1970 fastback
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    thanks, will do.

  4. #4
    biglar's Avatar
    biglar is offline CHR Member Visit my Photo Gallery
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    Palm Springs, CA
    Car Year, Make, Model: '30 Ford Model A
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    On a '76 Ford van with 351W/C6 the bolts holding the torque converter to the flex plate came loose and caused some really strange thumping noises, but I don't remember feeling it in the brake pedal. Easy to check, just pull the inspection plate.

  5. #5
    Thunderbucket's Avatar
    Thunderbucket is offline CHR Member Visit my Photo Gallery
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    Mission B.C.
    Car Year, Make, Model: 1962 Thunderbird
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    That kind of thump could be from a broken tranny mount,,or motor mount as well.
    "I don't know everything and i like it that way"

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