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#16
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We should let the OP clarify but he/she said:
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80 300SD (129k mi) 82 240D stick (193k mi)77 240D auto - stick to be (153k mi) 85 380SL (145k mi) 89 BMW 535i 82 Diesel Rabbit Pickup (374k mi) 91 Jetta IDI Diesel (155k mi) 81 VW Rabbit Convertible Diesel 70 Triumph Spitfire Mk III (63kmi)66 Triumph TR4a IRS (90k mi)67 Ford F-100 (??) |
#17
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I chased the same problem (no transmission activity in any position) on a 300E but eventually failed.I got into the valve body and found a broken K1 and broken B1 spring. I even removed the valvebody completely and inspected the internal linkages but found nothing. The broken K1 and B1 spring did not fix the problem. The pump was pumping but I dont have a gauge but my theory was a pressure relief valve in the valve body had stuck open but I found nothing wrong with the valve body. I eventually resolved to telling the guy it was deeper in the transmission than I want to dig and he should find a good used one. I recommend removing the pan and valvebody to see if you find anything however I did not.
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1981 300SD 512k OM603 |
#18
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I checked the linkage and seems fine to mile. Clips are still on and its moving more free than usual, or at least it feels that way. I'll move the shifter to any position and it just doesn't drop into gear. ~ I have noticed it does NOT move anywhere under its own power. Just behaves like its in neutral, unless parked. ~ I checked the fluid level and the fluid itself wasn't ruby red.. but dark.. very dark, odd since I did replace the filter and fluid maybe a few hundred miles ago. I did not drain the torque convert at the time though (tried to, but bit broke).
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#19
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Pull a cooler line and see if it is pumping.
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13 |
#20
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Not to hijack but I have checked my frt pump on a 83 300cd with the same issue ,good pressure ,whats the next step?,this might help move along the original post originators diagnosis..I was told that some Torque Converters can fail with this exact issue .
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#21
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When my 85 300sd had those symptoms the pressure was low, ~ 1/2 of what it was supposed to be, and new front pump seals fixed it. 2 rubber O rings if I remember.
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85 300 SD ~ 115K 82 500 SEC Euro ??K 78 450SL 164K |
#22
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I believe the next step would be to hook a pressure gauge to the port on the side and check the actual pump pressure-and it ifts very low maybe a valve is relieving all the pressure when it shouldn't. My guess is its a relief valve open or a piston which controls all functions is jammed but I don't think there is such a piston.
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1981 300SD 512k OM603 |
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