Join Date: Sep 2000
Location: Shrewsbury, MA, USA
Work the valve open and closed with the manual operator on the top to loosen it up. The carb cleaner shouldn't hurt anything insdie the valve as is't just rubber seals in a plastic body. If it's not moving freely then you may have some gunk still stuck in it. I had all kinds of crap come out of mine but they work markedly better after all the gunk was removed. As the vacuum actuators start to leak, they start pulling air thru the relay valve, so anything flying around under the hood like oil, dirt, water, etc gets sucked into the bottom of the valve and closes down on the amount of air able to pass thru the valve.
Also look very carefully at your vacuum tubing where they pass over the various nipples on the valve, and the vacuum tank itself. These quite often split and start leaking. Once you get a leak the door work very slowly, or not at all.
My system is so tight now ( finally got a good set of actuators) that I can shut the car off and then turn off the lights, and the doors will still close.
1969 Indy Pace Car
350/300HP RPO Z11
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