Om621 still no vacuum after pump rebuild

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Om621 still no vacuum after pump rebuild

03-31-2018, 03:48 PM

Ryancoolwind Ryancoolwind is offline

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Join Date: Dec 2017

Location: Harleysville, Pa

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Om621 still no vacuum after pump rebuild

I tracked down a rebuild kit and rebuilt my vacuum pump on my 66 200D. It seemed pretty straightforward, diaphragm was torn, replaced that and the 2 check valves! Easy, but still no vacuum. I'm wondering if my driver plate is worn or the roller lifter is worn down? I included photos and hope someone has any experience with this!

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