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1987 trans adjustment. How to adjust the Vacuum source
Hello all,
I am working on my 87 300d trans adjustment. I changed all the rubber and plastic pipe. my modulator holds vaccuum The problem I have is firm shifts. my vacuum to the modulator is 14 inchs Hg. I want to increase the source vacuum from the IP to the vacuum amp so that it sends a initial idle at 17 inches or so. I had it at 17 inches for a brief while but now it is back to 14. I did clean all the orifaces and will do that agian later today. Is it possible to adjust the source at the IP without too much hassle. also I could use a little guidance with the throttle adjustment and bowden cable. Thanks alot bob c |
#2
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in addition
vacuum from to IP to the vac amp is 6 inches at idle. what should that be. the vacuum from the pump is 18 to 20 inches. after I cleaned it all out it was 20 I will clean it all again yet I would still like to adjust the IP to send more vacuum signal to the vac amp as I dont want to be cleaning it all the time thanks again bob c |
#3
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The Bob - I believe this link should answer your questions
CLICK ME
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BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif 15 VW Passat TDI 00 E420 98 E300 DT 97 E420 Donor Car - NEED PARTS? PM ME! 97 S500 97 E300D 86 Holden Jackaroo Turbo D 86 300SDL (o\|/o) |
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Thank you for the link
I have read that link before. (actually I printed it out and read it about 15 times. It is a great article. I after reading it again noticed that it said that you have to rotate the proportional valve to adjust. That does not seem so hard to do. I would rather give it more source vacuum than adjust the modulator . I will let all know of my progress thanks bob c |
#5
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I know your pain - adjusting the Trans is (can be) a big pain as there are so many different actions that cause re-actions. To this day my SDL goes through periods of rebellion (hard shifts). But get the mighty vac out and it won't do it. Here is another link that I found very useful - scroll down to transmissions
jk CLICK
__________________
BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif 15 VW Passat TDI 00 E420 98 E300 DT 97 E420 Donor Car - NEED PARTS? PM ME! 97 S500 97 E300D 86 Holden Jackaroo Turbo D 86 300SDL (o\|/o) |
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