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Old 02-03-2018, 11:14 PM
Registered User
Join Date: Jan 2018
Posts: 12

Hello guys,

I'm trying to swap OM616.912 engine from 1982 240d W123 into 1975 W115 240d.

I read few threads and found out one of the things i have to do is cut the strut brace because of the oil filter housing Clarence issue.

Besides the strut brace. What other stuff i gotta do? When i was doing the side by side comparison i noticed the 1982 om616.912 little bit more vacuum lines coming out of the firewall compared to w115 and it also have some more linkages on top of the engine.

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Old 02-06-2018, 04:01 PM
WTB: 94/95 E320 Wagon
Join Date: Oct 2007
Location: Charleston SC
Posts: 2,687
I would recommend that donor and recipient be side-by-side for the swap, so you can make sure you don't leave anything on the donor that you need for the installation.

I do believe that you'll need to swap over the intake or exhaust manifolds or both. I would try to keep the entire glow plug system from the 123. No idea how the throttle linkages will work.
M. Dillon
'87 124.193 (300TD) "White Whale", ~392k miles, 3.5l IP fitted
'95 124.131 (E300) "Sapphire", 380k miles
'73 Balboa 20 "Sanctification"
Charleston SC
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Old 02-06-2018, 05:50 PM
Registered User
Join Date: Oct 2013
Location: New Zealand
Posts: 495
You may have an interesting time trying to get the engine shutoff and glow plugs working, since they were part of the knob thing that the /8 has. Can always do a manual switch for the glow plugs, and rig a bracket to hold the cable for the shutoff - but then again you will have an MW pump which shuts off by pushing the "throttle" arm on the pump back so that may be tricky. Have fun!
1978 300D, 373,000km 617.912, 711.113 5 speed, 7.5mm superpump, HX30W turbo...not yet legal
1984 240TD>300TD 121,000 miles, *sold*
1977 250 parts car
1977 280> 300D - 500,000km+
1999 Hyundai Lantra 1.6

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Old 02-06-2018, 05:53 PM
gmog220d's Avatar
There is Life After VW!
Join Date: Apr 2006
Location: Albuquerque, New Mexico, USA
Posts: 646
Cant' you swap the oil filter housings between those blocks to avoid cutting the body brace?

I foresee swapping all manifolds, other accessories, and the Injection pump too. The W115 uses a cable for fuel shut-off, while a W213 uses a vaccum signal. The glow system works differently between those engines as well (W115 = manual/W123 = automatic).

- Greg -
1974 240 Diesel
1996 E300
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