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  #1  
Old 08-15-2005, 08:50 AM
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Join Date: Aug 2005
Location: Ontario, Canada
Posts: 4
W123 Transmission Slippage

Hello. First of all let me say that this is pretty good forum loaded with information. I just signed up because about a month ago I bought 1980 300D auto trans with 93K. Yes 93k! However, transmission is acting up. I drove it once and this is what I’ve experience. Once you shift to “Drive” car requires some series revs to get rolling (half throttle at least). Same occurs in the “reverse”. Am I to assume that bands are shot. Yes, transmission fluid looks and smells burnt. Before I dive in transmission swap, I would like to make sure that this problem can be fixed by means of vacuum valve or some adjustment. Any help would be greatly appreciated. I have done the search however never found specific information on my problem. Thanks in advance.

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  #2  
Old 08-15-2005, 08:59 AM
t walgamuth's Avatar
dieselarchitect
 
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 38,592
first

thing is are you sure that the fluid is not low? it must be checked with the engine running.

tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #3  
Old 08-15-2005, 10:01 AM
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Location: Ontario, Canada
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Yes I did check the fluid while car was running and the level seemed good.
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  #4  
Old 08-15-2005, 10:05 AM
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Join Date: Apr 2005
Location: Northern Louisiana
Posts: 481
Transmission Advice

I have learned from experience: if the age of the fluid/filter is measured in years or unknown, try changing the fluid/filter first. I have gotten lucky several times with cranky auto transmissions by changing the fluid/filter.
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  #5  
Old 08-15-2005, 10:55 AM
t walgamuth's Avatar
dieselarchitect
 
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 38,592
i agree

with randy. this has worked for me several times.

tom w
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #6  
Old 08-15-2005, 11:05 AM
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Join Date: Aug 2005
Location: Ontario, Canada
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ok guys, I will try that and see what happens. What kind and type of transmission fluid do you guys recommend?
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  #7  
Old 08-15-2005, 11:16 AM
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Join Date: Oct 2004
Location: Baton Rouge La
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type

mobil 1

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1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k



1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it


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