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Fill the oil filter: fact or myth?

This is a discussion on Fill the oil filter: fact or myth? within the General Help forums, part of the LSx Technical Help Section category; Originally Posted by Firebirdjones I alway fill the oil filters before I install them. Been doing that for years. Whether ...

  1. #21
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    Quote Originally Posted by Firebirdjones View Post
    I alway fill the oil filters before I install them. Been doing that for years. Whether it helps I can't say, but the fact that it's one less thing for the oil pump to fill, the oil gets around to other more important places on a dry start up a little faster I would think.

    In any event,,,I also disable the ignition system after every oil change as well, crank the engine until I see movement in the oil pressure gauge, reenable the ignition and start the car.
    It's been my experience that starting some engines (without this simple procedure) rattle like crazy until oil pressure resumes, sometimes as long as 5 seconds or more. No thanks.
    Been a practice of mine for years.
    why you do that? in those 5 secons there shouldnt be any damage at all makes no sence the oil has two jobs is to lubricate and cool the engine. but when you do an oil change the engine is generaly cold or cooling. .

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    Quote Originally Posted by Stricken1 View Post
    On a diesel engine yes on ours no.

    ive worked on diesels before and its not engine threatning to fill up the filters. however the diesel filters do requre a filling or else the truck wont start. you would have to manually pump diesel into the Injectors

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    old timer blue02Z's Avatar
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    Quote Originally Posted by b.lee View Post
    I got a Cummins and I never fill the oil filter... only the fuel filter.
    My z28 I never fill the filter either.

    Its a myth.

    It might have less oil circulating for a moment but its not an overly long period of time. Plus everything inside the engine is already covered in a thin layer of oil.
    its not a myth, you a have a cummins and dont fill it? that is a good way to make your turbo go south on ya.

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    old timer blue02Z's Avatar
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    Quote Originally Posted by hurraquio View Post


    why you do that? in those 5 secons there shouldnt be any damage at all makes no sence the oil has two jobs is to lubricate and cool the engine. but when you do an oil change the engine is generaly cold or cooling. .

    did you not know that the MOST engine wear is at start up??? after all the oil is drained down into the pan again. that thin film is not the best to lubricate moving metal.

    also why do you change your oil cold?? big mistake

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    Ive always done it on all our vehicles, i also get a little on my finger and put it on the rubber gasket to prevent cracking etc.
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    Senior Member splitfinger09's Avatar
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    Quote Originally Posted by Sarge View Post
    Almost all the wear on your critical internals are at start up. FACT.
    Filling the oil filter reduces the time it takes to presurizes the oiling system. FACT
    The mechanic that told you this is a dumbass. FACT
    i mean why not it takes like 2 seconds.

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    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by hurraquio View Post


    why you do that? in those 5 secons there shouldnt be any damage at all makes no sence the oil has two jobs is to lubricate and cool the engine. but when you do an oil change the engine is generaly cold or cooling. .
    I never change the oil while the engine is cold. I always at least run the engine for a few minutes, get things warm so the oil circulates and all the impurities, moisture etc... are actually in the oil when the drain plug is pulled.
    This way you make sure when you drain the oil it's actually pulling out this stuff, the whole reason you change the oil in the first place, right?

  8. #28
    Something Diabolical... chuckie669's Avatar
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    I honestly never thought about it before. Sounds like a good idea. i do pour a quart of cheap stuff through while draining. You'd be amazed at the last little bit that hides behind.

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    Senior Member TransAm11973's Avatar
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    of course....fill it,....cant believe that anyone wouldnt....duh...hell i even fill my DD oil filter and its mouned on an angle, so dont tell me it cant be done, no spills either

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    Senior Member Tyler_LS1's Avatar
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    Quote Originally Posted by TransAm11973 View Post
    of course....fill it,....cant believe that anyone wouldnt....duh...hell i even fill my DD oil filter and its mouned on an angle, so dont tell me it cant be done, no spills either


    Ya my truck is the same way, its annoying, its already hard to get to let alone being on its side

  11. #31
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    Always fill mine.. Try to be quick and even fill the sideways ones... BTW Sarge did you notice the new Penz. Plat. Commecial has a pontiac soltice??? lol

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    Member tpilews's Avatar
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    I actually can't fill it, even if I wanted to on my DD. It's a Cadillac Catera. Canister filter type; only the cap and filter come out. On a side note, the cadillac is a pain in the ass to work on; everything has a special tool. Hell, even the oil drain bolt requires a torx bit. I mean, come on, WHY!!!???

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    I do it on mine better be safe than sorry

  14. #34
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    Quote Originally Posted by 98formy View Post
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    i've been doing that since birth...

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    Impounded x-40oz-x's Avatar
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    Quote Originally Posted by splitfinger09 View Post
    i mean why not it takes like 2 seconds.
    Time is money, most shops don't fill the filter. I'd NEVER take my car to a garage, they overlook to many things.

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    Oil filtures? No. Fuel filtures on diesels? Yes. Go figure.

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    They dont use torque specs in shops...time is money . commission.. hence a lot of comebacks..

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    Quote Originally Posted by blue02Z View Post
    did you not know that the MOST engine wear is at start up??? after all the oil is drained down into the pan again. that thin film is not the best to lubricate moving metal.

    also why do you change your oil cold?? big mistake
    whoops my bad, i should of said warmed, I never new about that it was bad to change the engine cold, but thanks,

    with todays modern oil the Startup damage is slightly reduced, has anyone tried lucas?

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    Senior Member TransAm11973's Avatar
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    lucas blows

  20. #40
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    Ive always drive the car at least 10 miles and let everything get up to op. temp.. Then after slightly cooling I drain the oil and run new crap oil(about a quart) to get the rest of the gunk out..till it pours clear...

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