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Old 12-06-2005, 08:03 PM   #1
SkylineR35GTRx
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Default Oil Change specific question (already searched)

So I already searched intensively on this subject. I am about to do my first oil change in my STi at 3000 miles (and yes some people do it at 1000). So the concensus seems to be that the parts I choose isn't the most important. I will be using the new OEM filter for the imprez part 15208AA09A and crusher that comes with it. I have a 17mm socket wrench, bracing myself for a hard time taking out the drain plug, catch pan, funnel, and my questions are....


Which oil should I use? I read that you can either use synthetic or regular, but some poeple say not to change to synthetic until 8k+. I will take their advice, so should I be using Pennzoil or Havoline as Unabomber suggested?

Second question. When is the optimal time to check engine oil level. I read that many poeple had problems with their engine oil reading. My plan is to warm up the car for about 2 minutes and let it cool down overnight and check the oil in the morning. Is the dipstick calibrated to check oil when it's hot or cold? I know that when the engine oil is hot it is expanded, but the question is what is the dipstick calibrated to measure? I will be putting 4.8 qts in the engine. I hope I don't overfill. Thakns for your time!
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Old 12-06-2005, 08:33 PM   #2
heffergm
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I'm sorry, but every question you asked has been answered about 50 gazillion times, each with a different response. There's no right answer. Search some more.
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Old 12-06-2005, 08:51 PM   #3
SkylineR35GTRx
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Yes I know there are different responses and they were answered 50 gazillion times and that is why it is so confusing. I just want to clear it up.
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Old 12-07-2005, 12:40 AM   #4
Unabomber
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Warm your car and then check your oil on a LEVEL surface. The best time/place for this is during a fill-up as gas stations are normally very level and since you drove there, the car is warm.

Use whatever oil you like and fits your budget as the primary concern is a schedule of change rather than the brand/type of oil. Bravo to you for having concern about this, but relax.

P.S. I DO recommend you get a Fumoto valve to make changes easier though. I've had one since my first oil change and I giggle like a school girl every time I use it.
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Old 12-07-2005, 08:06 AM   #5
heffergm
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See, and here you have your first disagreement. You shouldn't check your oil level when the car has recently been shut off. Subaru's (mine anyway) are notoriously difficult to take oil level readings from when they've recently been run. Besides, you should always check all fluid levels on a bone cold vehicle unless stated otherwise in your manual. All the capacities listed in the manual are cold, and when fluids warm, they expand.

Secondly, I say stay away from the fumoto valve. I've had oil filters damaged by flying debris, and the last thing I want is something hanging off my oil pan that, if damaged, could drain my car of oil in about 10 seconds.
Removing the oil pan drain bolt and replacing it with another crush washer doesn't take anything remotely resembling super-human strength. I would recommend a torque wrench however (33 ft/lbs for the drain plug).

Oh, and the best time to change to synthetic is whenever you decide to, which for me was at 1500 miles. My service schedule is here should you care to look:

http://www.photoslave.com/journal/auto/wrx_maint.html
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Old 12-07-2005, 08:31 AM   #6
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Quote:
Originally Posted by Unabomber
I giggle like a school girl every time I use it.
the imagery is nothing short of amazing
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Old 12-07-2005, 11:01 AM   #7
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Muscle up. Those japs are on steriods. That oil filter will not come off without a filter wrench.
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Old 12-07-2005, 11:23 AM   #8
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Pffft, if you hit something that hard that the protective cover and fugitmoto come off, you probably wont drive much further anyway. Ive run one for a long time and zero problems at all!
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Old 12-07-2005, 11:42 AM   #9
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Quote:
Originally Posted by imaaaron
Muscle up. Those japs are on steriods. That oil filter will not come off without a filter wrench.
I managed to get mine off by gripping it with some low grit sandpaper.
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Old 12-07-2005, 07:17 PM   #10
volkl23
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Quote:
Originally Posted by SkylineR35GTRx
Yes I know there are different responses and they were answered 50 gazillion times and that is why it is so confusing. I just want to clear it up.
and adding your post to the 50gazillion other posts will help clear things up?

YOu can't go wrong with engine oil. Just use one that you like. Everyone has their favorites. Mobil 1 is quite popular if using a synthetic. I personally use German-made Castrol Syntec and love it.
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Old 12-08-2005, 08:34 AM   #11
AndyH
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One additional thing to watch out for on the first oil change. Oftentimes the crush washer installed at the factory on the drain plug is "glued" to the drain plug via paint, and can easily be missed if you're not looking for it. The resulting doubled-up crush washer can then leak. I had to carefully pry the factory crush washer off the drain plug with a thin-bladed flat-head screwdriver after first "scoring" the paint between the plug and the crush washer.
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