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Old 06-20-2001, 04:23 PM
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I recently replaced my automatic with a used unit. After the job I made a road test to find it pulled out with no slipping but shifted quick all the way through. I expected the problem was in the kickdown and discovered it was not connected at the tranny. After connecting it and re-installing the plastic housing I backed it off the ramps and left it there for a couple of days (confident that the problem was now corrected). Later when I decided to try it out, it only moved a few feet in reverse and barely moved at all in forward. It doesn't move at all in either direction now and the fluid is cool and not moving out of the pan (an assumption since the level is high on the stick). I did remove the kickdown cable again to see if it would have any effect. It didn't. My local MB service said it sounded like a pump problem or possibly the kd linkage is not retracting as it should which would "dump" the fluid. I checked to see if the linkage is free and it is. The tranny source said they would exchange with no problem but it would be nice to avoid removal and replace again. Any ideas on this guys?

[Edited by mactoo on 06-22-2001 at 05:15 PM]
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Old 06-22-2001, 08:52 PM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
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This is a tough one. I would suspect a problem with pressure which would lead me to the pump or to the filter no being sealed properly.
Donnie Drummonds
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Old 06-25-2001, 08:58 AM
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Thanks Benzmac. Your initial diagnosis matches that of the local MB dealer and it makes sense..."Pump pressure problem". I went ahead and pulled the tranny Saturday while I had some help. There were some small, soft particles and a few droplets of water in the pan. I suspect that the clean up at the salvage yard was with a pressure washer and the converter off the input shaft. That would have left a direct path for water and anything else flying around. Hopefully I can talk to them before they do the clean up this time to make sure they keep it sealed. Thanks for your input.
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