View Poll Results: to prefill oil filter or not-oil changers only
i always prefill my oil filter
89
60.54%
i never prefill my oil filter
58
39.46%
Voters: 147. You may not vote on this poll
poll: to prefill or not
Posting Guru
Joined: Jan 2003
Posts: 1,507
Likes: 0
From: Magrath
poll: to prefill or not
Not sure how a dealership would find out. That is why my uncle questioned it, but he figured better safe than sorry. The extra 2 minutes to prefill was better than someone coming after him saying he didn't.
Elder User
Joined: Apr 2002
Posts: 858
Likes: 0
From: Kentucky
poll: to prefill or not
I did my first pre-fill yesterday, mostly because of the info I have learned here. It was a bit messy, but it seems the oil pressure shot up a bit quicker than usual, so I think I'll do this from now on.
Junior User
Joined: Jan 2003
Posts: 60
Likes: 0
poll: to prefill or not
Originally posted by 77460ford
I like to pre-fill as much as possible without making a mess but (here comes my surmon) you can't beat having a pre-luber. Truck was sitting in storage this winter, I had to move it to get room to trial fit my headers. Turned on the pre-luber and wait for good oil pressure and then crank. Piece of mind for me.
Joh n
I like to pre-fill as much as possible without making a mess but (here comes my surmon) you can't beat having a pre-luber. Truck was sitting in storage this winter, I had to move it to get room to trial fit my headers. Turned on the pre-luber and wait for good oil pressure and then crank. Piece of mind for me.
Joh n
Post Fiend
Joined: Jan 2003
Posts: 9,748
Likes: 16
From: Connecticut
poll: to prefill or not
Originally posted by oper2nyst
.......... this subject brings back memories, back in i think late 70's early 80's an aftermarket company offered a pre-lube system. made some phenomenal longevity claims. anyone know the company that supplied these?
.......... this subject brings back memories, back in i think late 70's early 80's an aftermarket company offered a pre-lube system. made some phenomenal longevity claims. anyone know the company that supplied these?
Junior User
Joined: Apr 2003
Posts: 84
Likes: 0
From: Oklahoma City
poll: to prefill or not
I guess if pre-filling makes you feel better do it but I don't really see the harm if you don't. All of your moving parts are already coated with oil and it only takes a second or so for your oil pressure to come up. Even some oil manufactorers take pride in draining an engine and then seeing how long it takes to burn it up when using their brand oil.
Like I said if it makes you feel better and you don't mind the extra mess go for it but I think it's pointless!
Like I said if it makes you feel better and you don't mind the extra mess go for it but I think it's pointless!
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Thread Starter
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Elder User
Joined: Dec 2002
Posts: 550
Likes: 1
From: Effingham,IL USA
poll: to prefill or not
just because your engine parts might be coated with oil at startup doesnt mean that oil is gonna keep those parts seperated when it starts. i mean if we just needed to splash some oil on the parts to keep them happy why do we have oil pumps and not just an oil slinger? by far most engine wear happens at startup. you cant argue that. you keep the oil pressure up at startup and you have less wear.
Junior User
Joined: Jun 2003
Posts: 86
Likes: 0
poll: to prefill or not
I pre-fill so that the oil pump can bring the pressure up quickly while I monitor the mechanical gage during cranking with ignition disabled in order to pre lube the bearings immediately after the oil change. this prevents the wear caused by "dry starting".
I also use a magnetic drainplug and flush the engine with 1 quart of oil before replacing the plug and filling the crankcase with oil.
I also use a magnetic drainplug and flush the engine with 1 quart of oil before replacing the plug and filling the crankcase with oil.
Junior User
Joined: Jun 2003
Posts: 76
Likes: 0
poll: to prefill or not
Yeah, I always prefill the filter. I don't know how long it takes for the pump to fill the filter, push oil through the filter medium and to the moving parts.
Another thing I do is drain the oil, stick the plug back in, and run the engine for about 3 seconds, then drain the remaining oil. This pushes oil out of the filter and eliminates the drips (or gush) when I remove the filter. Am I crazy? But is this any worse than not prefilling the filter or cold starting the engine.
I have been doing this on my Dodge Spirit for many oil changes. I bought the car with 30K and now have 141K on it. Changed oil every 3K-4K. Ran Mobil dino oil with Fram filters. However, am learning more and switching to Wix filters.
Another thing I do is drain the oil, stick the plug back in, and run the engine for about 3 seconds, then drain the remaining oil. This pushes oil out of the filter and eliminates the drips (or gush) when I remove the filter. Am I crazy? But is this any worse than not prefilling the filter or cold starting the engine.
I have been doing this on my Dodge Spirit for many oil changes. I bought the car with 30K and now have 141K on it. Changed oil every 3K-4K. Ran Mobil dino oil with Fram filters. However, am learning more and switching to Wix filters.
Posting Guru
Joined: Mar 2002
Posts: 2,070
Likes: 2
From: Boise, Idaho
poll: to prefill or not
I pre-fill, but I now add oil to the pan before I put the filter on. The oil can rise into the oil pick-up tube if the filter is not blocking the air from excaping out the top of the tube.
New User
Joined: Jul 2003
Posts: 22
Likes: 0
From: Wichita, KS
poll: to prefill or not
I put 1/3 to 1/2 a quart of oil in the filter and roll it around a bit before installing. This also give me a little around the lip to lube the seal with.
I can't say if there is any real benefit to this other than it makes sense and it's how my Dad taught me to change oil.
I can't say if there is any real benefit to this other than it makes sense and it's how my Dad taught me to change oil.