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Old 04-28-2003, 12:52 PM   #1
TimStevens
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Default How to change filter w/o changing oil?

I switched to Amsoil over the weekend, and they claim you can run 25,000 miles without changing the oil, only by changing the filter half-way through. Well, I'm not that brave, but I was thinking of perhaps trying to go 12,000 miles on their oil, changing the filter at the 6,000 mile mark (which is generally when I change my synthetic). But, the obvious question to me is, how the heck do you change the filter without all the oil draining out?

And, for normal oil changes, is there a trick to getting the filter off without getting your entire forearm covered in oil?

Thanks,

-tim
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Old 04-28-2003, 01:11 PM   #2
heffergm
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You'll only lose the amount of oil the filter holds (less than half a quart), so you'll just have to top off after putting the new filter on.

The oil filter sits above the oil pan, which is where all the oil goes when the car isn't running.
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Old 04-28-2003, 01:15 PM   #3
TimStevens
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So why is it that there's so much oil that drains out when you're unscrewing the filter? Seems like there's quite a bit more than the half-quart in the filter itself...
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Old 04-28-2003, 01:41 PM   #4
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Try waiting a couple of hours before changing the oil. You'll still get some dribbling out, but hopefully not a ton.

To keep the oil off your forearm, either place a plastic baggie over the filter and turn using that (kinda nasty and has a tendency to spill out anyway) or do what I do: Loosen the filter until the oil starts dripping out, quickly give it another turn or two before the oil hits your hand, then go inside for a while and let it drip. Come back out with some paper towels and use those to grip the filter.
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Old 04-28-2003, 01:44 PM   #5
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Ahh...good ideas.

Thanks for the suggestions guys! I'll give them a shot in 6,000 miles or so
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Old 04-28-2003, 03:18 PM   #6
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Waiting wont help. The anti drain back valve (I assume you use a good filter) is doing its job!!

You want oil to be "suspended" in the engine, this prevents dry starts. The oil you see extra is up inside the oil pump and the passages leading to the engine. Trust me, its a good thing.

Just wrap a shopping bag around the filter and unscrew it. Or stab the bottom of the filter and let it drain then wrap the bag around it.
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Old 04-28-2003, 03:29 PM   #7
TimStevens
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I'm using OEM filters (Purloator, I believe).

Shopping bag... might work, but could be tricky with my skid plate. I'll have to try out the bag thing and see whether it works for me.

Thanks again
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Old 04-28-2003, 05:15 PM   #8
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the bag method is definately the cleanest unless you pick a bag that has a hole in it like my friend did what kind of skid plate do you have? if it really gets in the way that much i would just take the skidplate off when you change the filter.
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Old 04-28-2003, 05:20 PM   #9
TimStevens
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It's the skidplate from webkris on the board here. Seems to be a decent amount of room, but I still have issues getting my hand up there and getting enough torque to break the filters free. Probably be even worse trying to hold a bag. But, I'll definitely check for holes before I try the bag approach
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Old 04-28-2003, 06:42 PM   #10
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Another option is to buy a pack of disposable diapers, and wrap one around the top of the filter to absorb the dripping oil as you unscrew the filter.
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Old 04-28-2003, 09:22 PM   #11
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Quote:
Originally posted by armand1
Another option is to buy a pack of disposable diapers, and wrap one around the top of the filter to absorb the dripping oil as you unscrew the filter.
hah, never thought of that. You can bet your ass your neighbor will be wondering why you're under your car with a soggy brown coated diaper though
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Old 04-29-2003, 07:49 AM   #12
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)
Quote:
Originally posted by armand1
Another option is to buy a pack of disposable diapers, and wrap one around the top of the filter to absorb the dripping oil as you unscrew the filter.
I don't think that would work - they absorb water by forming a gel (basically, hydrating a polymeric material in the diaper) - don't think that would work with oil...

why not put a pan under tha car, catch all the oil that drips out, then when you put on the new filter, pour it back in? (I think the easiest solution is change the filter when you change the oil, but that's just me )
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