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Old 11-29-2022, 01:06 PM
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dieselkid dieselkid is offline
Join Date: Aug 2003
Location: Baltimore, Md
Posts: 133
Originally Posted by Shern View Post
Well, the filter system is a pretty basic in/out circuit. Sounds like the “in” part is working okay.

Take a look at this diagram. You may have a blockage.

Yeh I thought it might be a check valve.
1983 300SD
1983 300GD
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