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#1
04-22-2009, 01:22 AM
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What is in my tranny pan?
Did a transmission fluid/filter change on my 1991 300te 4matic today, and found some funky foamy stuff in the pan. Any ideas? I can tell you that it shifts well until about 15 minutes into a drive and then 2-3 becomes quite harsh. I had hoped a new filter and fluid would help this.
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#2
04-22-2009, 02:25 AM
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foamed ATF
that looks just like foamed ATF to me - is your pickup tube going all the way down into the pan? was the level overfilled leading to foaming - foam does not transfer through the tranny as well as fluid does, hence the harsh shifting. you need to look into why it is foaming and correct that and your problem should go away.
changing the filter might help if it was really dirty and not flowing well. John in San Antonio
__________________
 John Hughes, was in Landstuhl, Germany but currently in San Antonio, TX 1978 280CE Astral Silver now 59,xxx miles and counting  "Silber-Kugel"1986 300E Black Pearl Metallic 143,xxx miles 5-spd daily driver w/ blk leather "Schwarz-Schönheit" 1989 190E 2.6 (euro) 5-spd Desert Taupe 112,xxx kms Had to leave behind in Germany!!! "Helga" 1983 300D Pastel Beige now 312,xxx + miles SOLD  OBK#24
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#3
04-22-2009, 06:46 AM
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Water in the oil? http://www.motortrend.com/womt/112_9809_atf_a_window_into_your_automatic_transmission/atf_colors.html
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Prost! 
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#4
04-22-2009, 08:00 AM
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Sure looks like water (antifreeze) to me. Either bypass the trans cooler in the radiator OR replace it.
Get some synthetic ATF & flush the trans.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#6
04-22-2009, 12:31 PM
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Yup, water in the trans, I'd replace the radiator ASAP and do a fill/flush of the trans right away. Water in trans = Death to trans!
__________________
-diesel is not just a fuel, its a way of life-  '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k)
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