Quote:
Originally Posted by vstech
the vacuum circuit is ALWAYS connected between, the pump, the reservoir, and the driver's lock actuator...
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Not exactly. Check valves isolate the lock system from the pump when the pump isn't producing vacuum.
Quote:
Originally Posted by vstech
the actuator is simply a two way valve, open to one circuit or the other. if there is a leak it will deplete the reservoir.
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It's not quite that simple. A door lock actuator is always "open" to both the lock and unlock circuit.