Quote:
Originally Posted by 300DFarmer
Brian,
Thanks so much for your reply.
As I understand it, when I attach the vacuum guage to the Y in place of the line to the modulator, I should read about 10" of vacuum at idle. Right now, I have no vacuum at this point at all. The line supplying the VCV has plenty of vacuum until I hook up the VCV, and then the gauge reads zero. What happens to the vacuum? I cannot hear any vacuum bleeding off, and just cannot understand what's happening. Any Ideas?
Thanks for your help.
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If there is no vaccum to the modulator and you've definitely got supply vacuum.........then the VCV has failed.
But, under this condition, your shifts should be very hard and the downshifts should bang. Since this is not occurring, I'm questioning your testing procedure.