Pre fill oil filter?
Hotshot
Joined: Apr 2013
Posts: 10,121
Likes: 656
From: NH
I don't know why this is even being debated. Pre-Fill, period.
-It costs nothing to do
-It takes no more time to do (what's the difference if you pour the quart into the valve cover, or into the oil filter?)
-It pre-soaks the paper element inside for less chance of ripping causing some unfiltered oil to get by
-It ensures full oil pressure at start-up
-Ford denies warranty for using the incorrect oil filter without an anti-drainback valve causing dry starts until the oil fills the oil filter and then oil pressure builds.....so they will certainly deny warranty for not filling the oil filter during an oil change. They'll pull the ECU data and prove it to you that you ran it without oil, even if it was only a few seconds. It's all recorded, they're not dumb.
-It costs nothing to do
-It takes no more time to do (what's the difference if you pour the quart into the valve cover, or into the oil filter?)
-It pre-soaks the paper element inside for less chance of ripping causing some unfiltered oil to get by
-It ensures full oil pressure at start-up
-Ford denies warranty for using the incorrect oil filter without an anti-drainback valve causing dry starts until the oil fills the oil filter and then oil pressure builds.....so they will certainly deny warranty for not filling the oil filter during an oil change. They'll pull the ECU data and prove it to you that you ran it without oil, even if it was only a few seconds. It's all recorded, they're not dumb.
Senior User
Joined: May 2009
Posts: 282
Likes: 0
I have to agree with the guy, what's absurd is not putting a little bit of oil in the filter when it sits straight up and down. Takes no time, definitely isn't any harder on your truck getting oil flow a couple seconds earlier, and why would they have an anti drain valve on the filter if it wasn't important to keep it full. Is your truck going to blow up if you don't, probably not but it definitely doesn't hurt and takes no time to put some oil in the filter while you let the pan finish draining.
Cargo Master
Joined: Mar 2005
Posts: 2,368
Likes: 620
Nothing like a good old oil thread. I change my oil about every month and a half and prefilling is a step I would never do. There is zero data that says it harms your engine to not pre fill, ford doesn't even recommend it. Your engine is prelubed, there is oil in rings and bearings. 2 seconds will not hurt anything. Would like to know gpm of oil pump at idle.
Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 26
From: Middle Tn.
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