> My gut feeling is that it is from the drive shaft u-joints.
So the noise changes with car speed, but not engine speed, right ?
> On both the
> front and back u-joint, I can move each a little in one plane for
> example if the u-joint is positioned like + I can move it up and down
> but not sideways. Is any movement too much?
IMO, yes. When you take it apart, also pay attention to how tight the bearing
cups are in the flanges. If you can move them with your fingers, most likely
the flanges are worn and need to be replaced. There's an entire driveshaft on
eBay at the moment, no bids at $10 when I saw it.
> If so, does anyone know a
> u-joint that might be available at a local parts store that would fit?
I don't know what other cars it fits, but I know it's a common U-joint. You
could try asking for a U-joint for your TR250, or that's too old, a later TR6.
> Also, the dust cap that covers the splines was very loose. I think if I
> take it out I can pull it apart and regrease it without too much
> problem. There are a couple of washers inside it. Are those available.
AFAIK, no. But if you unscrew the cap and push it up the splines with the seal
still inside it, you can clean and grease the working surface of the splines
without ruining the seal. Be sure to pay attention to how the yoke is oriented
relative to the driveshaft, it's important.
Randall
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