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Re: Vibration in trans.? 200 78

/// This sounds like u-joint trouble but it will cause vibration at the center joint. Has any one been in the drive line recently, the joints must be in phase. It is possible that a sagging mount puts the drive shaft out of position and you are feeling its' attempt to 'center up'.

Pull the rear shaft and feel the u-joints for frozen or loose bearing cups. While you're there check the rear end for play or noise when turning. If the front u-joint is bad the vibration would be felt in the transmission or gearshift. A bad u-joint will shake what it's near.

Last, if you don't find it put together a ear tube with a metal contact pin in the end and search out the noise on a lift while the car is running. Polybutyl water supply lines for sinks in 1/4 or 3/8th inch sizes are straight and stiff. A flexible piece of vinyl to connect to the ear will make it more useful.






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