Quote:
Originally Posted by KJL
I have the plenum removed and thought it would be a good time to check the secondary vacuum actuators. I have a hand vacuum pump I use to check things out on my 72. With plenum removed, where should pump be connected and what lines should be plugged? There are lines to a vacuum pump, sensor (mounted under plenum) and a line that goes to the plenum and connects to the solenoid (not sure what this is for other than solenoid activation?).
Thanks!!
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I'd go straight to the hose on each actuator. Test one at a time for smooth non sticking action and no leak down. If you have problems here there's no real advantage to moving to other tests.