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  #1  
Old 11-25-2009, 08:19 PM
JordaanDMC-12's Avatar
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Question 300E overfilled transmission

The trani on the 300E is starting to slip so I checked the fluid thinking it might be low and it's overfilled

How do I drain the excess fluid? Through the dipstick housing or from below?

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  #2  
Old 11-25-2009, 08:23 PM
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Are you sure you checked it correctly.

Engine HOT, park on level ground, cycle through each gear, and then place in N, and check fluid.

Did this happen all of a sudden?
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1985 300TD Turbo Euro-wagon
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1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
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1976 300D 195,300 miles
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  #3  
Old 11-25-2009, 08:34 PM
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Quote:
Originally Posted by 79Mercy View Post
Are you sure you checked it correctly.

Engine HOT, park on level ground, cycle through each gear, and then place in N, and check fluid.

Did this happen all of a sudden?
I did it with the engine hot, on ground level and did cycle through each gear but placed it back in park. Should I test it again in neutral?
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  #4  
Old 11-25-2009, 09:08 PM
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yes check it in N
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1985 300TD Turbo Euro-wagon
1979 280CE 225,200 miles
1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
1979 300TD 220,000

GONE but not forgotten
1976 300D 195,300 miles
1983 300D Turbo 175,000 miles

http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg
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  #5  
Old 11-25-2009, 09:15 PM
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ok will do thanks!
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  #6  
Old 11-25-2009, 09:53 PM
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Why would neutral or park make any difference? Park is just neutral with the parking prawl engaged.

I've never heard this before.

Also, the owners manual says to check it in Park.
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  #7  
Old 11-25-2009, 09:58 PM
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When I check it in P it is always higher than when i check it in N for some reason, the stick also has lot of bubles on the stick making it hard to read the level when i check it in P.

I have always heard to check it in N.
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1985 300TD Turbo Euro-wagon
1979 280CE 225,200 miles
1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
1979 300TD 220,000

GONE but not forgotten
1976 300D 195,300 miles
1983 300D Turbo 175,000 miles

http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg
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  #8  
Old 11-25-2009, 10:37 PM
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I've always checked my cars in park, just cause I don't like standing in front of a running car to begin with, never mind without the park pawl and parking brake firmly engaged.

Nothing is more terrifying than being outside your car when it starts to move, and you are the driver.

If your tranny is really overfilled, you can either slip a thin (think fishtank air) hose down the dipstick tube and pump/siphon some out, or I suppose you could pop off the tranny cooler line where it goes into the radiator.
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  #9  
Old 11-25-2009, 10:39 PM
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well then i guess it makes no difference, i just always do it in N with the parking brake set.
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1985 300TD Turbo Euro-wagon
1979 280CE 225,200 miles
1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
1979 300TD 220,000

GONE but not forgotten
1976 300D 195,300 miles
1983 300D Turbo 175,000 miles

http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg
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  #10  
Old 11-25-2009, 10:50 PM
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Quote:
Originally Posted by tinypanzer View Post
I've always checked my cars in park, just cause I don't like standing in front of a running car to begin with, never mind without the park pawl and parking brake firmly engaged.

Nothing is more terrifying than being outside your car when it starts to move, and you are the driver.

If your tranny is really overfilled, you can either slip a thin (think fishtank air) hose down the dipstick tube and pump/siphon some out, or I suppose you could pop off the tranny cooler line where it goes into the radiator.
Even if the car were to go into drive at idle....it would not move at more than 3-4mph.....its not that scary.
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'15 GLK250 Bluetec 88k - mine - (OC-91,200)
'17 Metris(VITO!) - 16k - wifes (OC-17k)
'01 E320 Wagon - 159k - mine (OC-160,000)
'01 E320 - 179k - dad's (OC-182,500)
'07 E350 Wagon - 133k - dad's (OC-132,500)
'01 SL500 - 52k - dad's (OC-52,000)
'16 E400 4matic Sedan - 70k - Brothers (OC-72,000)
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  #11  
Old 11-26-2009, 12:42 AM
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Well in both Park and Neutral it's still reading above the max line -_- What is recommended for draining the excess fluid?
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  #12  
Old 11-26-2009, 12:55 AM
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Quote:
Originally Posted by JordaanDMC-12 View Post
Well in both Park and Neutral it's still reading above the max line -_- What is recommended for draining the excess fluid?
Best way would be to drain some from the pan. When was the last time the filter + fluid was changed? Might be a good excuse to do it...
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  #13  
Old 11-26-2009, 06:12 PM
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Originally Posted by ps2cho View Post
Best way would be to drain some from the pan. When was the last time the filter + fluid was changed? Might be a good excuse to do it...
Actually, was looking through the paperwork and the trani was serviced in June, I just hope the trani is not on its way out. It takes awhile to shift and you have to feather it sometimes to make it shift.

Thanks, I'll hopefully drain some fluid today! woot
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Old 11-26-2009, 10:14 PM
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Quote:
Originally Posted by JordaanDMC-12 View Post
Actually, was looking through the paperwork and the trani was serviced in June, I just hope the trani is not on its way out. It takes awhile to shift and you have to feather it sometimes to make it shift.

Thanks, I'll hopefully drain some fluid today! woot
Well deal with the overfilled problem first then go from there. If its still acting funny it might just be a linkage/modulator issue. Steve Brotherton has a great article on this.
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  #15  
Old 11-26-2009, 11:42 PM
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Quote:
Originally Posted by pawoSD View Post
Even if the car were to go into drive at idle....it would not move at more than 3-4mph.....its not that scary.
Not only is it scary, it is dangerous as hell, if you are standing right in front with your body touching the car and it moves forward at 3-4 mph, you can very well be run over by your own car, or crushed between the car and another object [car,wall,pole,etc]

You will likely only be run over by a car once in your life, keep parking brakes engaged and automatic transmissions in Park when working on a vehicle with it's engine running. Bad things do happen, don't temp Murphy.......

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