HPOP Output fitting question
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Fleet Mechanic
Joined: Mar 2006
Posts: 1,489
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From: Severance, CO
HPOP Output fitting question
so im fixing to make a order at riffraff diesel, for a fuel bowl o-ring kit and a stock of fuel filters. while i have the bowl out im going to tighten my hpop output fittings up as one of them is seeping again and the o-ring is most likely trashed. i tightened it a while back but not as solid as id like because of fuel system parts in the way.
im currious as to what the difference between the check valve and non check valved fittings is?
Riffraff Diesel: Ford HPOP Outlet Hose Fitting
Riffraff Diesel: HPOP Outlet Hose Fitting - Non Check Valve
just curious as to the difference. most likely just gonna order the o-rings for the fittings and get that slight oil leak stopped.
im currious as to what the difference between the check valve and non check valved fittings is?
Riffraff Diesel: Ford HPOP Outlet Hose Fitting
Riffraff Diesel: HPOP Outlet Hose Fitting - Non Check Valve
just curious as to the difference. most likely just gonna order the o-rings for the fittings and get that slight oil leak stopped.
Senior User
Joined: Feb 2013
Posts: 145
Likes: 0
From: Long Island
One has a check valve whereas one doesn't. I know when I installed my adrenaline pump the instructions specifically stated NOT to re-install the check valves because the pump internally balances pressure across both heads. Not sure if you can eliminate the check valves on a stock pump but I don't see why you can't.
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