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Old 11-06-2003, 07:48 PM
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Join Date: Nov 2003
Posts: 3
Engine shutoff valve question

On the advice of this forum I bought a MityVac and checked the vacuum system on my 1980 240D. Looks like I have a leak somewhere in the door locking system. But I also noticed that the engine shutoff valve will also not hold a vacuum. Is that normal or should I replace it?
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Old 11-06-2003, 10:04 PM
sixto's Avatar
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 18,745
The shut-off valve should hold a vacuum. Does the engine shut off when when you apply a vacuum with the Mighty-Vac?

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