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Old 12-04-2012, 02:49 AM   #1
wahhh_pshhh
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Join Date: May 2012
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2002 Impreza WRX
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Default Oil Seep Investigation (Source Unknown)

Hi Guys, decided to investigate a slow oil seep that is causing "burning oil" smell inside the car. The oil level is basically still at 100% so it is very slow. Discovered oil at the front of the oil pan, next to the oil filter. My question for you all is: Are there other vulnerabilities here that could cause an oil seep (besides oil pan gasket) ? Here are some (poor) pictures of the area it is coming from:








Thanks ahead of time! Let me know if I can be more clear.
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Old 12-04-2012, 02:51 AM   #2
Uncle Scotty
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time to take the front covers off and look for the leak...cam seals are one possibility
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Old 12-04-2012, 06:34 AM   #3
pebelz
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Mine was the oil cooler gasket. Looked similar but less buildup around the pan. It also looks like your oil pan bolt is leaky. Do you use the crush washer?
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Old 12-04-2012, 09:32 AM   #4
wahhh_pshhh
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Quote:
Originally Posted by pebelz View Post
Mine was the oil cooler gasket. Looked similar but less buildup around the pan. It also looks like your oil pan bolt is leaky. Do you use the crush washer?
I am not sure what washer it is but yes, there appears to be some minor leaking from there as well. Would simply replacing the washer do? Or should I replace the bolt as well? Also, oil cooler gasket? Where is that in relation to the oil pan? NOOB here.
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Old 12-04-2012, 02:22 PM   #5
Samurai Jack
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I noticed in a couple of the pictures that you are using FRAM oil filters and that there is a build-up of oil, etc. on the bottom of the filter.

Suggestion:
Put the front of the car securely up on ramps.
Clean up the area so you can tell where the leak is coming from.

Start the car, let it idle and look under the car to see if you can see any oil leaking/dripping

Possible source: The FRAM Tough Guard oil filter
Change out the FRAM filter to a Subaru filter and see if the problem returns.

I recently had this problem and the cause was a very small leak at the oil filter where the cap and the body of the FRAM Tough Guard oil filter come together.

I initially changed the FRAM filter to a new FRAM filter because it looked as if the filter was leaking and for no other reason. Problem solved for 1 day and then returned.

Once I switched to the Subaru filter, problem fixed.
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