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Old 06-03-2014, 08:26 PM
shertex shertex is offline
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Join Date: Jul 2004
Location: Barrington, RI
Posts: 5,876
Quote:
Originally Posted by andrewjtx View Post
This is for your 98 E300D?

Maybe a pressure relief valve? The older style pump with integrated reservoir tended to leak from the seal. So maybe this is an effort to release occasional high pressure?
Yes, the 98 E300D. And yeah, pressure relief is what I was suspecting.
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