I have not seen any engine shocks on the manual 240Ds.

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"

Don't worry about the engine shocks. I'm pretty sure I destroyed mine jacking my engine up. I've noticed no difference in driving or shutdown.

However I did replace the motor mounts, trans mount, differential mount, and the rack dampener. Car feels awesome no vibrations at all.

My vehicle coasts a lot better now. Why I don't know, but I'm guessing the trans mount has some job in dampening the vibrations of the engine.

My old one felt soft and smooched easily. New one was rather hard in comparison.

Replacing it was way to easy. Probably 30 minutes at best.

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-Typos courtesy of my mobile phone.

I have 1 engine shock that I replaced last year

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1981 240D 143k 4 spd manual -SOLD

2004 VW Jetta TDI 5 speed 300k -still driven daily

On my 83 240 there was a tab mount that came off the front of the crossmember and fitted into a rubber lined slot in the back of the dropped sump oil pan.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.

The new trans mount is in but alas the vibration remains.
I am more convinced than before that it is somewhere in the rear end of the car.
We checked the lubricant in the axle cans and it is still there and fluid.
The diff lube is fresh,
Minimal rotary play in the driveshaft.
Wheel bearings are ok but not perfect. A little movement in the right rear wheel but not excessive.
flex discs ok
new center carrier and bearing.
Any other input here this is really frustrating

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1981 240D 143k 4 spd manual -SOLD

2004 VW Jetta TDI 5 speed 300k -still driven daily

If you can "feel" movement on the right rear wheel I think you might want to measure it.

It should be 0.04-0.06 mm

See

http://www.peachparts.com/Wikka/W123RearWheelBearings

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1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!

A possibility is the driveshaft center U-joint is seized & binding. Unfortunately, those are staked in place and not normally replaceable without buying a new shaft-section.
However, there are driveshaft shops that can cut & weld in a new driveshaft end with a replaceable/greasable U-joint.

Happy Motoring, Mark

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DrDKW

DS ujoint is a little "notchy" but not seized or clunking

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1981 240D 143k 4 spd manual -SOLD

2004 VW Jetta TDI 5 speed 300k -still driven daily

Huh, an "auto trans" 240D I had once had one engine shock, didn't know the manual cars had them, non of mine have had them. I remember on the "Auto car" trying to figure out how to hold the shaft and turn the nut when pulling the engine

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"