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#1
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Vacuum Help
I have a 81 300d the vacuum system drops from 15hg to 0hg immediately when I apply throttle.This model does not have a bowden cable or pressure rod.The way I understand the vacuum system the vacuum should drop according to throttle position.Any help would be appreciated.
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#2
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Do you have a 3/2 valve on the top of the valve cover?
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#3
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Where are you measuring the vacuum?
__________________
1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13 |
#4
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Helo, yes i have three of the 3/2 valves on the valve cover.I was testing the vacuum at the last T where the transmission line connects after the 3/2"s should have done there thing.The vacuum did not stay even it bounced around a bit at idle but droped fast and smooth as soon as throttle was applied.
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#5
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One more question are we reading vacuum in hg. in. or hg. cm?
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