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Old 03-30-2000, 11:07 PM
stevebfl stevebfl is offline
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Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
The diesel used a vacuum proportioning valve for trans control. The vacuum was vented through a black line into the dash area. it did this so it wouldn't pull moisture or other trash in from under the hood.

It wasn't hooked to anything.

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Steve Brotherton
Owner 24 bay BSC
Bosch Master, ASE master L1
26 years MB technician
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