Advice for starting resealed engine
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Fleet Mechanic
Joined: Dec 2006
Posts: 1,925
Likes: 10
From: Phoenix, AZ
Okay, so I believe I may have narrowed it down but I really am clueless.
I took off the LPOP to check and see if there is wear on the timing cover or the gears themselves. I didn't break out a feeler gauge, but the melling lpop gears that were on there look really good. I could not see or feel any wear on them with my fingers so I don't believe that is the issue. I didn't have a good angle, but I tried scraping my finger across the timing cover as well to check for wear or scratches and couldn't feel anything. I know this LPOP was working before tearing things apart.
What I did find however is that I may have put the wrong gasket on the LPOP housing. I remember thinking it seemed too thick but I didn't know for sure. What does the gasket for the LPOP look like, and how thick should it be? There seemed to be about 1/8th or larger gap from the LPOP housing to the timing cover. My gasket kit didn't seem to come with any other gasket that would fit around that LPOP housing, but this gasket leaves a pretty large gap.
I'm going to see if I can find a gasket at O'reillys or something and compare. Otherwise, I may just use the Motorcraft RTV I still have when I did the oil pan.
Edit: I'm going to start a new thread now that this topic has changed to a low pressure issue. Thanks for the help everyone for the other questions I had!
I took off the LPOP to check and see if there is wear on the timing cover or the gears themselves. I didn't break out a feeler gauge, but the melling lpop gears that were on there look really good. I could not see or feel any wear on them with my fingers so I don't believe that is the issue. I didn't have a good angle, but I tried scraping my finger across the timing cover as well to check for wear or scratches and couldn't feel anything. I know this LPOP was working before tearing things apart.
What I did find however is that I may have put the wrong gasket on the LPOP housing. I remember thinking it seemed too thick but I didn't know for sure. What does the gasket for the LPOP look like, and how thick should it be? There seemed to be about 1/8th or larger gap from the LPOP housing to the timing cover. My gasket kit didn't seem to come with any other gasket that would fit around that LPOP housing, but this gasket leaves a pretty large gap.
I'm going to see if I can find a gasket at O'reillys or something and compare. Otherwise, I may just use the Motorcraft RTV I still have when I did the oil pan.
Edit: I'm going to start a new thread now that this topic has changed to a low pressure issue. Thanks for the help everyone for the other questions I had!
Lead Driver
Joined: Mar 2006
Posts: 5,105
Likes: 1,526
From: western SD
There is a spring valve that mounts in the oil cooler between it and the block. If I remember right it is on the oil filter end. If that valve is missing it won't build oil pressure. The early ones were staked in place, and the later ones had the spring clip, much like the oil filter bypass valve.
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