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#1
05-15-2012, 11:19 AM
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No Reverse: worth pulling the valve body, or go to B3?
I have the minimal reverse situation with a 1992 300D with a 722.418 tranny. I.e, it takes a long time to engage reverse gear, and then it has no power, just slips if you raise the rpms. Does go backs slowly in idle on a flat surface though.
From help at this site, I've concluded it is either clogged up/worn out valvebody springs, or the B3 piston has issues. My question is: How likely is it to be the valve body? Seems like a long shot. Especially when I think about how burnt smelling the tranny fluid was when I replaced it due to this issue. Means the plates aren't engaging properly - either due to lack of pressure from the valve body action or worn piston or plates, right? Can you tell visually when you open the valvebody that it has an issue, or do you have to put new springs/seals in and reinstall it to check? thanks.
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1983 240D Silver/Blue "Sadie", unknown miles. 100k miles on WVO single tank, converted to 2 tank about 10k miles ago, FPHE, Injector Heaters, Aux Fuel pump. Alcohol/Water injection. Frantz oil bypass filter 1992 300D 2.5 Turbo Green/Tan "Jade" 267K miles Stock. 1992 300D 2.5 tan/tan "Rocky" on 2 tank WVO. Pressure actuated Turbo "rat's nest" surgery completed. 197k miles 
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#2
05-15-2012, 11:35 AM
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Quote:
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When cryptography is outlawed, bayl bhgynjf jvyy unir cevinpl.
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#3
05-15-2012, 11:49 AM
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Thanks Tango. That's what I thought...
Time for the rebuild kit or a used tranny, or always parking carefully... 
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1983 240D Silver/Blue "Sadie", unknown miles. 100k miles on WVO single tank, converted to 2 tank about 10k miles ago, FPHE, Injector Heaters, Aux Fuel pump. Alcohol/Water injection. Frantz oil bypass filter 1992 300D 2.5 Turbo Green/Tan "Jade" 267K miles Stock. 1992 300D 2.5 tan/tan "Rocky" on 2 tank WVO. Pressure actuated Turbo "rat's nest" surgery completed. 197k miles
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#4
05-15-2012, 11:56 AM
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If it still has 197K on it, you might just get by fixing the B3 problem without going crazy on the rest of it. Not likely to find a used one any better than what you have, IMO...
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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 (??)
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#5
05-15-2012, 02:46 PM
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It has 240K on it now. Shifts fine in forward.
I don't want to spend a lot on it though - it's got a good few other small and medium problems so it's in the drive til it dies category at the moment.
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1983 240D Silver/Blue "Sadie", unknown miles. 100k miles on WVO single tank, converted to 2 tank about 10k miles ago, FPHE, Injector Heaters, Aux Fuel pump. Alcohol/Water injection. Frantz oil bypass filter 1992 300D 2.5 Turbo Green/Tan "Jade" 267K miles Stock. 1992 300D 2.5 tan/tan "Rocky" on 2 tank WVO. Pressure actuated Turbo "rat's nest" surgery completed. 197k miles
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