I'm having issues with my trans too. It sometimes takes up to 3 seconds to go from 2nd to 3rd. Sometimes called a flare I guess. Other shift points are ok. Also, trans is making some racket - I think it might just be the bushings.

Would that be the infamous B2 piston?

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Codifex
1981 240D ChinaBlue (Got her running with a donor engine.)
1983 300DTurbo w/sunroof.
1984 300TD manual sunroof. (Electrical Gremlins)

no.
B2 takes out 1st and 2nd. your car will not move from park if the B2 goes out.

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 560SL convertible
1987 190D 2.5-5SPEED!!!

1987 300TD
2005 Dodge Sprinter 2500 158"WB
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

What do you think then? Maybe a trip to the tranny guy for a filter and fresh fluid?

Gah, isn't a rebuild the expensive way to go? I see all those little parts and I get the willies.

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Codifex
1981 240D ChinaBlue (Got her running with a donor engine.)
1983 300DTurbo w/sunroof.
1984 300TD manual sunroof. (Electrical Gremlins)

I watched several videos on AT rebuilding. Decided right then and there there was no way in hell I'd even attempt that... get one thing wrong and you screw up the whole thing..... I agree x2 I get willies seeing all the little fiddly stuff in these things. Whoever designed the system though... I'dve like to have met them

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hum.....
1987 300TD 311,000M Stolen. Presumed destroyed