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Old 01-12-2004, 08:53 PM   #1
Scooby Newbie
Member#: 39983
Join Date: Jul 2003
2003 WRX Wagon

Default Simple Oil Change Question: Need confirmation

Hey all,

I'm coming up to my second oil change (9000 km's) and I need some confirmation about the oil drain plug gasket...

Short Version:
Does the 2.5L 04 TS actually have one stock?

Long version:
You see, when I did my first oil change, i never noticed an oil drain plug gasket. Of course, it didn't help that I dropped the plug in the oil and had to fish around for it.

I didn't really notice it in the oil afterwards or anything so I rationalized that my car (an 04 TS) didn't come with one (a modern car wouldn't be such a hassle right?). I eventually just screwed the plug back in all cleaned up but with no gasket. Since then, i've read that lots of people with MY02+ WRX's saying they do have them. Then I read a post on scoobymods showing how the oil drain gasket can be decievingly stuck to the drain plug. So now i'm all confused and not sure.

So in preperation of the second oilchange, i want to be properly prepared with the right parts so it goes nice and smooth. (last time, it took 4 trips to Canadian tire to get the proper oil wrench =P )

Do i need to pick up an oil drain plug gasket from subaru?

mr_yellow is offline   Reply With Quote
Old 01-12-2004, 09:37 PM   #2
Scooby Specialist
Member#: 34670
Join Date: Mar 2003
Chapter/Region: South East
2013 No gears!
Saltine American


Short version: You should.

Long version: It might have been stuck to your drain plug. Subaru uses a copper crush gasket that squeezes flat at the proper torque and makes a nice seal (saving your threads from stripping but letting you know when it's tight). If you buy a filter at Subaru, the gasket may come with it (which has confused many people who thought it went on the filter). Otherwise, they're a buch or two (American).
orndog is offline   Reply With Quote
Old 01-13-2004, 04:01 AM   #3
Scooby Specialist
Member#: 13485
Join Date: Dec 2001
Chapter/Region: NESIC
Location: Denver, CO


Originally posted by mr_yellow

I didn't really notice it in the oil afterwards or anything so I rationalized that my car (an 04 TS) didn't come with one (a modern car wouldn't be such a hassle right?).

Err, if placing a gasket (washer) on a bolt is such a hassle, why do you change your own oil?

When you purchase a filter from your Subaru dealer (which you should) they will usually come with the crush gasket. If not be sure to ask.

The flat part of the washer is against the top of the bolt and the rounded crush area goes against the oil pan. If you don't use a crush washer, a leak could develop, could not. But the mind-numbingly small amount of time it takes is worth the insurance.
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Old 01-13-2004, 05:33 AM   #4
Scooby Newbie
Member#: 39983
Join Date: Jul 2003
2003 WRX Wagon


Not to get anal on you guys, but the question was really: "does the 04 TS EJ25 engine oil drain plug actually have a crush ring/gasket".

The whole 'hassle' comment was more directed at the whether a modern car would utilize a part like a crush ring vs. some sort of new crush ring free drain plug.

So anyone that's worked on or owns an 04TS wanna chime in?

Edit: just saw your profiles, and you both have EJ25's.. okay.. thanks for the info.. sorry to get so picky
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