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Old 12-01-2004, 09:06 PM
edl100
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Valve body questions

Hi,
I recently had a transmission overhaul since the 3rd gear is slipping(replaced linings and gaskets) the car is a W210 with a 4cylinder 2.3
but after the repair, it was still slipping in 3rd gear!! I borrowed a valve body from a W201 190E and now, the slip is gone. The shifting is quite fast in "E" mode but it pulls perfectly without any shift shock in 2nd gear. It really runs great.

Question:
1) Is this valve body swap OK? since the part came from a different benz with a different transmission? The shop also showed me a W126 valve body which they claim is identical to the W201. It is just a body stamp?

2) Is this valve body repairable? or better just get a used one? since a new valve body cost a fortune.

3) Can this slip be remedied by adjusting the modulator valve?

Thanks for any help..

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Old 12-05-2004, 09:01 PM
C32AMG's Avatar
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Join Date: Mar 2004
Location: new york/orange county
Posts: 639
Technically, the valve bodies are calibrated (shift timing, feel, and first gear start) to the cars year, model, engine, tire size and rear ratio. Just like the governors. In most cases you can interchange valve bodies of the same 722.xxx numbers. 722.3s with 722.3s, 722.4s with 722.4s. The transmission may not shift perfect but it will work. I not recommend it.
There are shops that rebuild valve bodies, have the original one rebuild.

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