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    huntz14fun's Avatar
    huntz14fun Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 14, 2008, 07:46 AM
    01 f250 7.3 diesel waterpump
    I replaced the waterpump on my f250 diesel,with a new waterpump from my local napa auto parts store,now I have a vibration in the engine,any ideas as to why? Replaced belt,hoses and water pump at the same time,
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Sep 14, 2008, 12:16 PM
    Did you replace the tensioner and idler pulley? Some people have problems with aftermarket serpentine belts. Dayco invented the serpentine belt/tensioner assembly for the Ford Mustang years ago. Their belts, idler pulleys, and tensioners are exact OEM replacements--I like their products. Also, check for any out-of-balance possibilities.
    this8384's Avatar
    this8384 Posts: 4,564, Reputation: 485
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    #3

    Sep 17, 2008, 01:11 PM
    Is the vibration constant or does it come and go? The bearing in the water pump could be bad; did you buy new or remanufactured?
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