Pulled fuel bowl, now slow start. - Ford Powerstroke Diesel Forum
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Old 06-20-2012, 09:24 AM
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Pulled fuel bowl, now slow start.

Yesterday I had pulled the fuel bowl to replace the hoses on it. I also replaced a head port o-ring and o-ring on the ICP sensor. I also installed the Stancor relay in place of the stock one. When I installed the fuel bowl I only filled it about halfway with deisel/atf.

edit: I also installed new intake boots from the y-pipe to the plenums, and changed the oil.

I've driven it only about 3 miles yesterday, but then and this morning it cranked for several seconds before it started.

Is there something I missed? Or did I introduce air into the system? Thanks for the input.
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Old 06-20-2012, 10:40 AM
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Just wanted to clarify, it's not a slow crank, just a longer crank time. Even if it's running and try to restart immediately.
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Old 06-20-2012, 10:52 AM
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After searching the great Google, it seems since I cracked the driver's side head oil galley, I may just need some time driving to purge the air? I had replaced the o-rings on a plug and the ICP. This sound right?
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Old 06-20-2012, 11:52 AM
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Yes, you probably got some air in the HP oil system. If everything is OK, take it for a good hard run as it takes awhile to get the air out. Cheers!
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Old 06-20-2012, 01:37 PM
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Thanks Patrick. You've helped me a lot the past few days it seems!

Just noticed the rear plug is seeping, too. SO I'll pop a new o-ring in there and then drive it. Hopefully all the small leaks are all gone after that.
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Old 06-20-2012, 02:35 PM
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Another quick question, how do you get this fitting off? It doesn't look like to me the HPOP lines are quick release, and it looks like there is a washer at the head.

I've tried to back that lowest nut off(between the 90 and the head) and it just backs up the 90 degree fitting and bottoms out. Does the 90 pull out? Or do I have to disconnect the line and twist the 90 out? Thanks!

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Old 06-20-2012, 06:26 PM
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Remove the hose on the end of the 90 fitting. Loosen the jam nut and then spin out the fitting. The jam nut allows the 90 fitting (known as a swivel-type o-ringed fitting) to be oriented in the correct position for the application. If it didn't have the jam nut you would need to rotate the fitting all the way down until the o-ring sealed. With the jam nut you rotate the fitting in, position it in the right direction, then tighten the jam nut so the o-ring seals. Cheers!
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