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Old 01-08-2018, 12:31 AM
murphysf murphysf is offline
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Join Date: May 2007
Posts: 99
Hello

I have multiple ATF leaks on my 300E transmission, some small some large.

The biggest one seems to be coming from the transmission's secondary pump.

I heard that the secondary pump has many leak sources and that it became problematic and Mercedes recommended eliminating it.

From what I understand the pump parts get removed and there is a "kit" plate, gasket and bolts that are then installed.

I did some searching and haven't found anything about this online.

Wanted to know if this is a good option. From what I understand the secondary pump is for the when the car might be towed (rear wheels rolling with the engine off. However from what I understand the 300E cannot be towed with the front lifted up as the radiator supports would break. And that the car is to be towed on a flatbed.

Any reasons why I would regret removing the secondary pump?

Does anyone have the parts numbers identified for this "fix".

Thanks!
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