Quote:
Originally Posted by anj
hi I know that this is an 13 old tread, but I will try anyway
I am working on the transmission on my wifes new old 1982 W123 300D 968000Km on the clock
and now I have a question on the hole in the bottom of the B2 servo cylinder,
is there a small air outlet hole? and in the case what size, see enclosed picture
the picture is from this tread.
in the case of my wifes transmission there is just a 5mm hole, that I think has been drilled out on previous repair job.
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The hole that you are referring to is called a "throttle bore" in the Factory Service Manual (FSM). Its function is to control the rate of apply of band B2 by limiting how fast oil can escape from behind piston B2. This would be noticeable on the 4-3 downshift. There is no size stated in the FSM. 5mm seems quite large however.
11-18-2024, 04:17 PM
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