This is topic what causes highway speed vibrtion ? in forum Tech Talk at Northern California Ford Owners .
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Posted by 86 T TOPS (Member # 8855) on
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95 gt 5 speed heavily vibrates in the freeway on 4th and 5th gear and it gets worst as I got faster . I've. Done some research and read that I can be the u joint drive shaft or harmonic balancer Idk I havnt checked any I will as soon as I get a chance . Anythoughts on what it might be guys ? I was also told by previous owner that the car has 375's in the rear end
Posted by SLOWSN95 (Member # 8269) on
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Check the four 12-point bolts on the driveshaft and make sure that they are tight. If it's not that, could be a U-joint.
Posted by 84SVOrick (Member # 9039) on
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Out of balance tires
Posted by 86 T TOPS (Member # 8855) on
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No it has nothing to do with the suspension on wheels there is no vibration on steering wheel the vibration is on transmision and rear end @ high speed
Posted by Venomousnotch (Member # 8695) on
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Sounds like a bad harmonic balancer... ![[patriot]](graemlins/patriot.gif)
Posted by Blow_U_In_Reverse (Member # 12298) on
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had the same issue.. car only vibrated in 4th and 5th once i reached about 2500 rpm.. n would only get worse as i accelerate.. changed trans mount, dampner/harmonic balancer, etc but nothing helped.. switched the driveshaft and the problem went right away.. try borrowing one of your friends driveshafts or something and see if the problem goes away..
Posted by 86 T TOPS (Member # 8855) on
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Yea that's my best bet cuz that's where all the vibrtion is coming from driveshaft and tranny will check it out today gonna start by getting a new driveshaft !
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