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Re: Micah & Scott; try this... Posted by JimBlake [Email] ![]() ![]() ![]() In Reply to: Re: Micah & Scott; try this..., scott, Tue, 2 Jul 2002 17:34:27 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Vacuum holds those dampers open, & if air leaks in the engine has to keep "supplying vacuum". In other words, the engine has to suck the air out of the vacuum reservoir. Climbing a hill with the throttle more open, the manifold vacuum isn't very strong.
Unless you're constantly changing the ventilation settings, the system should hold its vacuum. Certainly for the climb up a hill. If not, there's a vacuum leak. If you don't have any other symptoms of vacuum leaks, like surging idle, then I'd guess the check valve on the vacuum reservoir. That way the vacuum leak isn't really from 'fresh' air.
Hot weather might affect it in the sense that rubber vacuum hoses may become more soft or more prone to leak. It shouldn't really be
posted by 131.184.14...
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