Quote:
Originally Posted by G-Sting
Glad to hear you were able to repair it with a simple fix, Steve.
My problem appeared to be in the same area. A tie-wrap around the rubber fitting where the nylon vacuum line goes in, and driving around a bit, seems to have cured it. Now, prior to start, the pump runs for about 3 seconds, shuts off and is quiet.
Curious.. Does the vacuum pump require occasional lubrication or overhaul?

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Vacuum Pump Taken Apart TIPS
I recall someone here on the forum taking apart a vacuum pump but that is rare. I do not recall any lubrication required