So which of the THREE lines connected to the master driver's lock do
you
mean I should plug?
I mean the two inside the car, that go on to all the actuators.
Then you suck on the normal yellow line under the hood, it shouldn't
leak. Change lock knob state, repeat suck test. That valve
deliberately
vents the output line that it's not putting vacuum to so the opposing
diaphragms will release. And because of the shape of the seals in
the valve you can't apply vacuum to either output line and get a
meaningful result unless the input line is also plugged, but that
would tell you less (and with more work than) the procedure I
outlined so why bother?
-- Jim
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