Matt:

The rear subframe bushing is a big PITA, but can be done if you have jack stands and a floor jack. You will also need to fabricate a puller to pull the bushing/mount out and pull a new one in. procedure is to jack up car, then loosen one side and drop the subframe down on that side, pull the bushings in, then reattach, then do the other side. If you have antilock brakes, you will need to remove the sensor on the diff.

Take a good look, if one is bad the other is probably going, and there are two more on the front, also probably bad by now.

Also take a good look at the links for the rear suspesion. Signs of rubber tearing or shreds of rubber indicate bad links, and they need replacing as well.

Font ball joint badly worn will groan or creak when you turn the wheels, "knuckle" on rough pavement (dull clonking rattle), and will allow detectable up and down motion with the wheel off the ground -- use a prybar on the bottom of the tire. If it will move vertically and you can see the motion on the ball joint, replace it. Bad wheel bearings can show the same symptoms, except the wheel will move on the spindle instead of the ball joint moving.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!