Wow! It took some doing, but my father-in-law and I got the new engine mounts in the wagon today. Just like I read in all the related threads, the driver's side mount was the worse of the two. I went ahead and replaced the engine shocks while we were in there. I was quite suprised that the old engine mounts didn't look to bad, or worn, but somewhere between the new shocks and mounts, it made an unreal difference. When I was all done, I just sat in my car for about 5 minutes and soaked up the feeling of no vibration. Was it a pain in the rear? Yeah, you know it was. Was it all worth it?
Damon Fite 1983 300TD Wagon

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1984 300TD Wagon--Astral Silver--Retired
1983 300TD Wagon--Dark Blue--Retired

I've been wondering myself about changing the motor mounts on my 300D. I drove my 300 last night after not driving it for over 2 weeks and I was feeling like it was going to rattle the fillings out of my teeth. Maybe I got used to driving a gasser a bit too much lately.

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DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012

Did your old engine mounts look bad? Flat and coming apart?

I haven't looked at the mounts that closely lately but if they're like any of the other rubber in the car I'd imagine they're probably toast.

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DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012

No. My old engine mounts were not flat or seperating. In fact, they looked pretty good. Just a few small cracks here and there. I can't imagine just the new engine shocks made all the difference, though. I think perhaps the old engine mounts had just lost there vibration absorbing properties. Of course, that's just a theory, and I generally have no idea what I'm talking about.
Damon Fite 1983 300TD Wagon

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1984 300TD Wagon--Astral Silver--Retired
1983 300TD Wagon--Dark Blue--Retired