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Old 03-20-2008, 07:49 PM
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mgcanuck mgcanuck is offline
Mike
 
Join Date: Jan 2007
Posts: 63
hi, thanks for your comments. I did some testing. First of all, the 3/2 valve itself is brand new.

Second, i put a new vacuum line to the tranny.

Third, i unbolted the vcv, and played with the spring. it was passing no vacuum at all. I banged on the sucker with a wrench, which seemed to free up the spring inside and boom, vacuum again. I've got a replacement vcv on order. I guess the springs wear out on these and they don't return correctly to supply full vacuum. No point bypassing the 3/2 valve if the vcv itself is flawed.

As you can see mine is a very simple setup.
Attached Thumbnails
Proper operation of 3/2 vacuum valve-setup.jpg  
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Mike
Vancouver, BC
'79 300td 60k miles!
import from Japan

Last edited by mgcanuck; 03-20-2008 at 08:04 PM.
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