Rick---Vibration felt primarily at the gearshift is symptomatic of
something going on in the propshaft. A u-joint starting to fail, flanges
mismatched, or loose bolts. If all of the u-joints really were replaced,
it could be how they were bolted together, tho I admit it's hard to do
this wrong. You may have to take out the propshaft, or at least look at
things with the cover off to make a determination.
Dick
From:
rnorris1@swbell.net(Rick Norris)
Last fall, I had a cracked diff mount repaired. Because the welder's
shop was next door to a front end/undercarriage repair shop, I elected
to let them work together and have all the U-joints replaced at the same
time as the diff mounts were repaired. After the repair, I drove the car
home and parked it as I continued to deal with
carburetor/ignition/timing issues. Having resolved most of that, I
recently took the TR for a spin and noted that at around 50mph I began
to feel a vibration. At 55mph or greater, the vibration becomes
something like a hum and the it can be felt most prominently through the
shift lever.
Suspecting perhaps a bent rear wheel flange, I pulled the rear hubs and
checked the run out by placing a straight-edge against the backing plate
and watching the hub as it rotates. Neither hub seemed to wobble. That
leaves the drive shaft u-joints as possible problems points. My
question: how likely is it that the shop guys might have done something
and how can I inspect the shaft joints without having to pull it? Or,
should I just pull it?
Rick Norris
Ponca City, OK
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