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Originally Posted by Tiredofagasser
that it had something to do with the tranny shifting. I wonder where I got that from? I guess I won't worry about it disintegrating just by looking at it! I will disconnect it and plug all that was going to it. Thanks for the piece of mind. I figured I had deftly destroyed something vital with my curiosity  Hmmmmm, then why does my tranny shift so hard? |
You are correct. It does affect the tranny shifting........indirectly........
when it leaks.
If you remove all the lines to the black box.........follow them to where they enter a T (2 of them).........remove the T.........and connect the remaining two lines with a short piece of hose..........you might find that the harsh shifts are eliminated.
The harsh shifts are caused by a loss of vacuum to the modulator. Either a leak or a bad vacuum control valve is your problem.