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Old 05-11-2018, 03:27 PM   #1
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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.

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Old 05-23-2018, 09:11 AM   #2
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Quote:
Originally Posted by Boxy_02 View Post
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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