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#1
09-06-2008, 08:31 PM
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SDL transmission not shifting
1986 SDL thats not shifting. I can go about 30 MPH max. I checked the vacuum tee'd out of the Brake booster. 22 HG running, stopped 18 HG held 10 minutes so I disconnected. Is this too much vacuum? Overboost vacuum hose was shot so I changed it and all the others near it. Fluid and filter serviced. I drove it 400 miles in August, it didn't want to shift until warm, now no shifting. Thanks Shawn
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#2
09-06-2008, 10:26 PM
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22 is good and where its supposed to be. if you had too much it wouldnt be different, if you had no vacuum it would just shift hard.
last trans service was done when?
__________________
 1980 500SE/AMG Euro 1981 500SEL Euro 1982 380SEL 1983 300TD 1983 500SEC/AMG Euro 1984 500SEC 1984 300TD Euro 1986 190E 2.3-16 1986 190E 2.3 1987 300D 1997 C36 AMG 2003 C320T 4matic past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350
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#3
09-06-2008, 10:39 PM
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The day before I picked it up August 08. I drove it from Northern Colorado to Amarillo, TX.
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#4
09-06-2008, 11:26 PM
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Look underneath the go pedal. There will be a button switch under there. Find the pigtail underneath the button switch and disconnect the pigtail.
Drive the vehicle again and report back.
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#5
09-07-2008, 01:21 PM
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I'm on it, thanks. Shawn
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#6
09-07-2008, 03:08 PM
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I disconnected the throttle kick down? at the pedal, no change.
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#7
09-07-2008, 03:13 PM
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Quote:
What's the history of this vehicle? When did the problem begin and how did it begin? One other thing to attempt is to disconnect the Bowden cable from the throttle linkage. You'll find that connection on the driver's side near the bottom of the oil filter...........about four inches in front of the oil filter. There is a ball and socket joint there. Pop the ball off the socket and drive the vehicle. See if it shifts.
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#8
09-07-2008, 03:20 PM
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SDL history is this: I bought the car in Aspen, CO for $2000. Car was inpounded by the city because of unpaid parking/ inpound fees. The seller(EBAY) disclosed the shifting problem. This car has the complete tool kit, mats, all the clamps are MB everything is there. No body damage or rust. I'll untook the Bowden cable and drive again. Problem began after driving it 400 miles, it was shifting good after it warmed up.Now no shift into 4th. Thanks Shawn
Last edited by 930dreamer; 09-07-2008 at 03:22 PM. Reason: spelling
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#9
09-07-2008, 05:00 PM
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I disconnected the bowden cable and drove, no change.
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#10
09-07-2008, 06:56 PM
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Quote:
At this point, it wouldn't hurt to try Trans-X...........you never know what it will do for you.
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#11
09-07-2008, 06:58 PM
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Can the valve body be removed and cleaned?
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#12
09-07-2008, 07:01 PM
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Quote:
It's possible to purchase a remanufactured valve body if you want to take a flyer on it..........but, I wouldn't just on my internet advice.
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#13
09-07-2008, 09:18 PM
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You have a problem with your valve body, oil pump or your seals in the tranny which needs to done at tranny specialists or shop. I do have tranny shops in my area but they wont touch mercedes tranny. So ask around in your area and see who will work on them.
__________________
1986 300SDL, 211K,Dealership serviced its whole life 1991 190E 2.6(120k) 1983 300D(300k) 1977 300D(211k)
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#14
09-08-2008, 01:27 AM
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Dan's specializing in Albuquerque, NM price is about $3000 out the door. Transmissions come from California. Thanks all. Shawn
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