Thread: Diesel Shut Off
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Old 07-10-2001, 07:56 PM
stevebfl stevebfl is offline
Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
The vacuum splits after coming from the booster supply line. The brown line is the supply for shut-off function. It goes to a vacuum switch on the steering lock. Once that switch is open the vacuum proceeds to the shut-off diaphram.

Montor vacuum in the brown line first while shutting off. Verify that the vacuum stays strong. If the source stays strong and the output line only has a small vacuum then either the switch or the coupling is leaking (based upon your statement that the shut-off diaphram worked).
Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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