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7.3 Oil Leak top of engine

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Old 04-09-2011, 05:16 PM
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binuya binuya is offline
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Originally Posted by binuya View Post
I just noticed your last post. Make sure you use the proper Loctite on that plug or it will not seal right. Ask me how I know. I finally went to a Ford parts counter and paid too much for the right o-ring and Loctite package to get it right. (Needed the truck that day)

Clean and degrease the heck out of the threads before installing. I used Q-tips. Good luck.
Just checked and it is Loctite 680 that came with my orings.
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Old 04-09-2011, 05:31 PM
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As old-timers in this forum would expect me to say about now:

Make sure those threads are SPOTLESSLY-free of oil before using LocTite. Brake cleaner, Q-tips, re-do, re-do, re-do!

LocTite on only the first three threads of the male threads, insert finger tight, torque if you have a wrench, but don't over-tighten. Remember, it's an aluminum pump body!

After the LocTite sets up, DO NOT ever "check" that plug again. Re-torquing will break the LocTite, causing eventual O-ring failure.

Don't ever "check" or "tighten" any of them, for the same reason.

Those are AS568A-906 O-rings, available from Guzzle's.

Don't forget to refill the HPOP with oil through the fill hole on the top of the reservoir before attempting an engine re-start.

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  #18  
Old 04-09-2011, 07:52 PM
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Hi, Rubberduck, i just finished fixing HPOP plug on bottom of pump,truck is together and tried to start it but will not fire up,is there something that i forgot to do that
prevents truck to start,cracked my cross over to bleed air from system and oil came out,but still not starting,pushed air fitting in and bled air out of fuel system still not
starting,WHY ME,it is probaly something silly and stupid,thanks
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Old 04-09-2011, 08:15 PM
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Did you pre-fill the HPOP with oil through the filler plug on the top of the reservoir?

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