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-   -   Coolant Changeover Valve and Vacuum Leak (http://986forum.com/forums/showthread.php?t=72133)

Boxy_02 05-11-2018 02:27 PM
Coolant Changeover Valve and Vacuum Leak
 
Been trying to diagnose a vacuum leak - and may be onto something...
Should the mechanical portion of the Coolant Changeover Valve be able to hold vacuum? If I apply vacuum to the hose going to the canister side it will hold pressure. If I try the side going to the mechanical part of the actuator that actually opens and closes on the transmission line, it does not.

boxfix 05-23-2018 08:11 AM
Quote:
Originally Posted by Boxy_02 (Post 570111)
Been trying to diagnose a vacuum leak - and may be onto something...
Should the mechanical portion of the Coolant Changeover Valve be able to hold vacuum? If I apply vacuum to the hose going to the canister side it will hold pressure. If I try the side going to the mechanical part of the actuator that actually opens and closes on the transmission line, it does not.
it should hold vacuum.


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