Quote:
Originally Posted by Jim H
My guess is that it is not an 'air throttle' but an air brake safety that will not allow the vehicle to move until there is enough air pressure to stop it! 
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If I'm not mistaken, the spring brakes engage when the air pressure drops below a certain amount and won't release until the air pressure builds up. I think the throttle mechanism is different.
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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
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