Did my first valve adjustment last weekend - running great - now to start tacking other problems - starting with shifting.

When I first start out in the mornings, I have to baby the throttle to keep the rpms from shooting up during some shifting funkiness for the first 5 miles or so - then its fine for the rest of the commute when its warm, nice smooth shifts.

During the valve adjustment last weekend I got rid of the black box on top of the valve cover and plugged the 2 T's on the right and plugged the line on the left coming from the EGR and plugged the 2 lines from the dohicky next to the EGR that were running to the black box. The levers inside the black box were worn off and could possible move the little pistons in and out - was hoping getting rid of it would solve the shifty funny in the morning cold problem but no luck. Fluid levels are all correct - tried lucas transmission shift fix no luck.

I've been reading searches on here until my eyes bleed and haven't found any posts describing what I'm seeing - miled 12 flare and really bad 23 flare when cold, and then perfect shifting through all up and down when warm. Ideas?

Thanks,
-Scott

(its an 83 300sd with 246k on the non-worker odo, papers in the glove box show the vcv replaced a year ago)

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Heather GoDiesel - 83 300sd w/ ~300k

Are all the lines that used to go the black box?
Is the Bowden cable kinked?
You may want to adjust the ALDA.
But first try a transmission service, new fluid and filter.

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83 SD

84 CD

take care of your regular maintenance, as mentioned. Finding the right height of the fluid makes a humongous difference!!

then maybe you could think about very slightly adjusting the vacuum to the trans.

More accurately, your trans is a little worn and pressure builds quicker when the fluid is less viscous and has had a chance to re-enter all the little areas of the valve body.

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The white plastic valves under the black box are there to meter and/or block vacuum depending on throttle angle. On my 81 if a lever was broken trans shifting was affected. I replaced both valves and I did block off the EGR vacuum hose. After that the trans would shift later cold than when warm, but shifted well, nice and firm. I think those valve should be replaced 1st and report back. Engine RPM shooting up means slippage and slippage causes heat within the trans. Heat will eventually harm the trans. If the trans gets too strong a signal of vacuum, it can slip. The levers, by changing the vacuum signal, can improve the shift feel. My 81 never had a bowden cable so a proper amount of vacuum and the strength of the vacuum made all the difference in shift quality.

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81 300CD (sold) 1972 280 SEL 4.5 (sold) 1966 250 S 4 spd (sold) 1974 450 SL (sold) 86 BMW 325ES (sold), 1973 280C (sold) 1988 300 SE.