Thread: Won't Shut Off / Vac. Leak Somewhere???!!!
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Old 08-28-2005, 11:51 AM
stevebfl stevebfl is offline
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Join Date: Mar 2000
Location: Gainesville FL
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The 85 model is totally different from all the previous 123 diesels. It uses the vacuum amplifier. For the downshift harshness you describe you are losing the vacuum to the modulator. For this to happen with this system you must have a problem with source vacuum. The AC vacuum was usually the green line. Disconnect it from its source and plug it.

Take a look here also: http://www.peachparts.com/Wikka/TransVacTune
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Continental Imports
Gainesville FL
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