You asked about shifter bushings...

You should replace both of them-they are cheap. I remove the bracket on the transmission, use a socket/vice and press the new bushing in place. One on the end of the shifter, most DIY ppl seem to have difficulty. Doing it with the car on a lift, I call it a finess.

Yes, I'd definately inspect the flex discs and motor mounts. If they haven't been replaced, they are bad. Rear flex disc seems to last about 2X as long as the front-but I ussually replace both at the same time. Ie my time is worth more than going back in a few years.

With that mileage- I'd check the all the rear suspension too. Some of those links -bushings-joint could easily need replacement. I'd also check the muffler mounts while I had it on jack stands.

Good time to do a transmission service as well.

Michael

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Michael McGuire
83 300d
01 vw A4 TDI
66 Chevy Corsa
68 GMC V6 w/oD
86 300E