Need advice on Fuel Pump Check Valve - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 11-15-2009, 08:23 AM Thread Starter
BenzWorld Junior Member
Date registered: Apr 2008
Vehicle: 86 Mercedes 190e 89 Mercedes 300e
Location: Louisville KY
Posts: 18
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Need advice on Fuel Pump Check Valve

Putting on a new fuel filter, fuel pressure regulator and fuel pump check valve on my 86 190e 8v. The new check valve has 17mm nut made on it install. The check valve in the pump doesn't have the 17mm nut made on it. Looks like it just threads into the fuel pump but just not sure how to remove. I've installed these before on my 300e but the valves on the pumps had the nut. Any thoughts or suggestions would be very appreciated.
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