Injector seals - Mercedes-Benz Forum
 
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post #1 of 2 (permalink) Old 03-03-2019, 08:22 PM Thread Starter
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Date registered: Jun 2011
Vehicle: 1986 420SEL x2
Location: Vancouver, BC
Posts: 48
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Injector seals

Hi,

A smoke test revealed 6 out of 8 injector seals are leaking. The question is which part?

This is the traditional one

https://www.pelicanparts.com/catalog...FULINJ_pg1.htm

others are recommending this one

https://www.pelicanparts.com/catalog..._pg1.htm#item4

I use pelican parts as an example.
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post #2 of 2 (permalink) Old 03-04-2019, 02:08 PM
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Date registered: Dec 2011
Vehicle: 1991 560 SEC 1994 E500 2014 E350 Cab
Location: Houston, TX
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Most of the cups, seats and O rings are all put in at the same time. If it were me, I would change all of them out of an abundance of caution. I am not spending your money, just telling you what I would do. Once you seat them, start the car and get the temp up good an hot to operating temps, then wrap them again to be sure they are fully seated as the temp change can loosen them when you once popped them back on a cold engine.


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