Quote:
Originally Posted by Darmok
Hi all, 1980 300cd with the older style vac pump. My check valve is just a hollow fitting. Pelican parts don't sell this valve but other part stores say valve is same for 1980-on models. I have no vac leaks, holding 22hg, but drops to 0 when brakes depressed. Booster passes all test I know of. Is missing check valve the prob? Should the booster drop vac to zero? Thx for any help
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A picture or three would make this answer easier.
Are you speaking of the valve in the middle of the thumb size plastic line, going from the vacuum pump to the brake vacuum power booster ???
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