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Old 03-27-2007, 02:40 AM
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Join Date: Mar 2007
Posts: 7
This may have been answered before but...Trans question...

I have an 89 190e 2.6 The car was driving fine about 2 weeks ago with just a little erratic shift from 2nd to 3rd. If I let off the gas and then pushed back down, gears shifted fine and the car moved along fine. One day I came out to go to work and all of a sudden the car shuddered a little after shifting into 3rd gear but I could still floor the gas and get up and go. Now the car shifts ok from 1st to 2nd but when it goes to shift into 3rd and you are on the gas, the engine revs. It does shift into 3rd but if you are not just lightly on the gas in 3rd or 4th it'll slip. I can take the car down the highway at 80 - 90 and it'll go but only if you're light on the gas and gradually accelerate. I've been driving it like this for 2 to 3 weeks and it hasn't gotten any worse. Just out of curiosity I changed the trans filter and fluid and didn't see any metal bits in the pan at all surprisingly but the fluid did seem a little bit dark. May have just been old. It didn't make a difference, it acts the same. Wondering if it's a vaccum issue and if so what or how do I adjust it before I go looking for another trans?

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Old 03-27-2007, 10:26 AM
dpetryk's Avatar
Electrons can do anything
Join Date: Sep 2001
Location: Houston, Texas
Posts: 1,072
What you describe is not a vacuum issue. You need tranny work.
I got too many cars!! Insurance eats me alive. Dave

78 Corvette Stingray - 3k
82 242 Turbo Volvo - Manual - 270k
86 300e 5 speed manual - 210k
87 420sel - 240k
89 560sl - 78k
91 420sel - 205k
91 560sel - 85k
94 GMC Suburban - 90k
97 Harley Davidson Heritage Softail - 25k
00 GMC Silverado 1 ton 30k
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Old 03-27-2007, 10:41 AM
david s poole
Join Date: Mar 2005
Location: dallas
Posts: 1,822
worst case the tranny needs to come apart and have the rivets on the front sprag checked.[you have a 722.4 trans] best case it will only need clutches in the front drum and reverse clutches.the dark oil usually means that fine powdered aluminum is in it [unless trans has been neglected for long time]
David S Poole
European Performance
Dallas, TX

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
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Old 03-27-2007, 05:17 PM
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Join Date: Mar 2007
Posts: 7
As far as I know, as from what the previous owner told me, he never changed the transmission fluid or filter. Thing with this is that since this started happening like it is now, it isn't getting any worse. It's not getting any weaker like I suspected it would. I'm delivering pizza in it driving approx. 100 miles/night and have been driving it like this for the last 2 to 3 weeks with no problem. Also the car only has 96k on it.
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Old 03-27-2007, 05:48 PM
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Join Date: Aug 2005
Location: Chicago
Posts: 69
sorry to change focus...

...but delivering pizza in a benz is simply awesome
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Old 03-28-2007, 12:10 AM
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Join Date: Mar 2007
Posts: 7
I know lmao, I get some REALLY funny looks from some people what the hell??? lol. Needless to say, my tips have gone down considerably :-)

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