Thread: Om621 still no vacuum after pump rebuild
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Old 04-01-2018, 09:10 PM
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Diesel911 Diesel911 is offline
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Location: Long Beach,CA
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I found my Book; Service Manual Maintenance, Tuning, Unite Reploacment Diesel Engines OM 636 and OM 621.

None of the pictures in the book show a Vacuum Pump installed and none of the pics of the Timer show bolt holes for or the cam to actuate a vacuum pump.
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