My engine change saga - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 04-08-2006, 03:38 PM Thread Starter
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My engine change saga

I posted a while ago about a 300E engine change. I am now in the middle of it and thought I'd get some input as I go along.

1. I bought engine and trans together. The trans is a bit newer than the old one. The numbers on the old one are: 126 271 49 0. THe ones on the new one are: 126 271 21 01. The model No. on the new is W8405. I know it's supposed to have the 40 in it, but this one is the same as the old one except the speedometer connection is different. Is there any way to adapt the new speedometer cable to fit?

2. When I pulled the water pump intake line out of the pump, I noticed that the seal had disinigrated. There was also some congealed antifreeze in the opennings when I pulled the whole pump off. COuld this mean that the internal water seals have gone bad?

3. Also, the new engine has no mounts or manifold port for the emissions pump. I'm in rural OR, so it's not a legal issue, but it's interesting nonetheless. Maybe I got a "forign" engine?

This has been fun, but I sure hope my engine is OK!
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post #2 of 2 (permalink) Old 04-10-2006, 01:03 AM
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RE: My engine change saga

I think you would be better off posting on your car specific forum and you sound as if you need to get a good manual. Good luck, Horst K
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