I did this on my 601 and did NOT remove the plunger from inside the element barrel. I used a pick to snatch the crush washer out of the bore. I placed the new crush washer onto the plunger and reinstalled the delivery valve with new o ring.

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'84 190D 2.2 5MT (Red/Palomino) Current car. Love it!
'85 190D 2.2 Auto *Cali* (Blue/Blue) *sold*
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