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Old 06-03-2018, 02:16 AM   #1
brandobot
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Default Oil drips under engine after spilling oil?

I purchased a new to me 2011 STI. The previous owner said he had knocked the funnel during an oil change and spilled a few cups of oil.

3 weeks later, the car drips a couple drops of oil while parked in my garage. Driving the car and then parking it causes a few drips to happen within the next couple hours.

When the car is sitting for a few days without driving it, I do not see additional drips.

Oil levels have been fine and Iíve been checking it daily.

Is there a spot on the ej engine where spilled oil could pool up?
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Last edited by brandobot; 06-03-2018 at 02:52 AM.
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Old 06-03-2018, 02:43 AM   #2
Startergang
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Jack it up and see where the f its coming from!!
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Old 06-03-2018, 02:52 AM   #3
brandobot
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Originally Posted by Startergang View Post
Jack it up and see where the f its coming from!!
Had it up twice. Hit the whole thing with brake cleaner and wiped dry. I canít for the life of me find where itís starting from. Will try again tomorrow.
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Old 06-03-2018, 10:07 AM   #4
Norskie
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Old 06-03-2018, 11:39 AM   #5
brandobot
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Just ordered. Great idea!
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Old 06-03-2018, 11:55 AM   #6
dcsti
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Quote:
Originally Posted by brandobot View Post
I purchased a new to me 2011 STI. The previous owner said he had knocked the funnel during an oil change and spilled a few cups of oil.

3 weeks later, the car drips a couple drops of oil while parked in my garage. Driving the car and then parking it causes a few drips to happen within the next couple hours.

When the car is sitting for a few days without driving it, I do not see additional drips.

Oil levels have been fine and Iíve been checking it daily.

Is there a spot on the ej engine where spilled oil could pool up?
If you look at a picture of a bare EJ block or a block with the heads attached, there are lots of webs that will hold pools of oil if you spill it on the top of the block. It is really hard to clean that area of the block without removing the manifold...

The oil dye is the only way to be sure, though. Just don't spill any when you add it.
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Old 06-03-2018, 12:01 PM   #7
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Car on ramps, warm engine, couple cans of Gunk foamy engine brite, spray top of the engine near HG and top of heads as well as front of the engine and bottom of the engine.
Let sit 15 minutes or so, rinse off, go for a 10 mile or so drive below about 30MPH, get the car back up and look for fresh oil.

Yes, a number of nooks and crannies on the top of the engine to trap spills as well as the Timing cover.

Note, the low speed helps drying as well as limits airflow under the car that can blow leaks around.
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Old 06-04-2018, 02:20 AM   #8
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Originally Posted by Charlie-III View Post
Car on ramps, warm engine, couple cans of Gunk foamy engine brite, spray top of the engine near HG and top of heads as well as front of the engine and bottom of the engine.
Let sit 15 minutes or so, rinse off, go for a 10 mile or so drive below about 30MPH, get the car back up and look for fresh oil.

Yes, a number of nooks and crannies on the top of the engine to trap spills as well as the Timing cover.

Note, the low speed helps drying as well as limits airflow under the car that can blow leaks around.
I had a bottle of simple green at home and did this earlier today. Did the soak and rinse process twice from the top of the engine. (Under hood) The first time, a noticeable amount of oil was draining out along with the water. (I also made sure to give special attention to the oil fill area) Unfortunately, after driving ~15 minutes, I parked my car back in my garage and noticed one drop of oil after checking an hour later.

Fluid levels are still topped off. The only fluid I havenít checked is the trans/diff fluid. The oil drip resembles the oil from my dipstick when wiped off on a white towel. Is differential/trans fluid of the same color/consistency?

Last edited by brandobot; 06-04-2018 at 02:26 AM.
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Old 06-04-2018, 10:30 AM   #9
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Trans lube may look the same, but usually smells much different.
Where was the drip relative to the engine and trans?
Maybe go through a car wash that does chassis wash.
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Old 06-04-2018, 02:22 PM   #10
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Trans lube may look the same, but usually smells much different.
Where was the drip relative to the engine and trans?
Maybe go through a car wash that does chassis wash.
It was towards the center of the car, below where the intake manifold connects to the intercooler. I roughly measured the oil spot with a tape measure, then measured the same length on the top of the engine (this could also be where the hole is on the bottom tray). I believe the trans is much further back, closer to the firewall (?)

Perhaps I'll take off the tray, hose it all down with water one more time, drive it around, then let it sit and see where the oil is actually dripping from.

Last edited by brandobot; 06-04-2018 at 04:38 PM.
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Old 06-05-2018, 11:22 AM   #11
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OK I was having a similar problem. There is a rubber 90 that comes off the top of the engine under the throttlebody. It is a known leak issue on these cars. I could clean my engine and the little pockets would fill back up on top of the engine. I kept cleaning oil and driving it trying to find the issue. It was so hard to locate. There are a few threads on here explaining it. Your issue sounds like my problem. Maybe the original owner honestly spilled oil and thought that was where the leak was coming from. I chased that leak for about a month. That was almost a year ago and all is good.
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Old 06-05-2018, 12:25 PM   #12
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Yeah, that's my go-to on leaks like this one.
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Old 06-06-2018, 03:42 AM   #13
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Whatís a rubber 90? And how do you find it? Is it visible from the top of the engine bay, or do I need to get under the car? And how do you fix the leak?

I pulled the intercooler off and noticed one small trail of oil coming from the intercooler/throttle body hose. The hose itself and the mouth of the intercooler had some oil in it, but it didnít look like enough to cause a couple drips of oil a night.


Quote:
Originally Posted by Fndragn View Post
OK I was having a similar problem. There is a rubber 90 that comes off the top of the engine under the throttlebody. It is a known leak issue on these cars. I could clean my engine and the little pockets would fill back up on top of the engine. I kept cleaning oil and driving it trying to find the issue. It was so hard to locate. There are a few threads on here explaining it. Your issue sounds like my problem. Maybe the original owner honestly spilled oil and thought that was where the leak was coming from. I chased that leak for about a month. That was almost a year ago and all is good.
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Old 06-06-2018, 08:47 AM   #14
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That’s not the spot I was talking about but you were heading the right direction. On top of the block there is a rubber 90 degree fitting, should be part of the Pcv system. It’s probably only about 1/2” I.d. Once I found it I took it to advanced auto parts and they actually had an generic identical fitting. That $2 piece caused me so many problems.

Ok,I did some searching and I have a couple pics. I don’t know how to load them tho. This was where my issue was. One I get that figured I load them. I would definitely look into it.

Last edited by Fndragn; 06-06-2018 at 09:10 AM.
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Old 06-06-2018, 09:11 AM   #15
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$7 at the stealership.
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Old 06-06-2018, 11:16 AM   #16
brandobot
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Originally Posted by Fndragn View Post
Thatís not the spot I was talking about but you were heading the right direction. On top of the block there is a rubber 90 degree fitting, should be part of the Pcv system. Itís probably only about 1/2Ē I.d. Once I found it I took it to advanced auto parts and they actually had an generic identical fitting. That $2 piece caused me so many problems.

Ok,I did some searching and I have a couple pics. I donít know how to load them tho. This was where my issue was. One I get that figured I load them. I would definitely look into it.
Can you guide me on how I can locate this fitting? I just got the car a couple weeks ago. Do i need to remove anything to get to it?

I also have an iag street aos that a shop is helping me install next month. Would this replace this fitting? Is it step #33 in the instructions below? (Pictures in link)

https://www.iagperformance.com/v/vspfiles/downloadables/instructions/IAG/IAG-ENG-7100/IAG-SS-AOS-2006-07-WRX-04-07-STI-v1.pdf

Last edited by brandobot; 06-06-2018 at 11:22 AM.
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Old 06-06-2018, 11:57 AM   #17
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Quote:
Originally Posted by brandobot View Post
I purchased a new to me 2011 STI. The previous owner said he had knocked the funnel during an oil change and spilled a few cups of oil.

3 weeks later, the car drips a couple drops of oil while parked
^ha
If that's not a line of bs I don't know what is.
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Old 06-06-2018, 12:00 PM   #18
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^ha
If that's not a line of bs I don't know what is.
The car also had an IAG block installed 700 miles ago, so I never really questioned him and the work that was done by Cobb in Plano, TX. :/
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Old 06-06-2018, 12:22 PM   #19
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No step 33 is not it. Step 13 is sooo close to the 90. It should b just under that wire harness. If you are at that stage and follow the pcv lines one will go into the top of the block right there. I’d bet my lunch $$ that’s your issue.
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Old 06-06-2018, 12:22 PM   #20
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Pm sent
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Old 06-06-2018, 01:59 PM   #21
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Old 06-06-2018, 02:17 PM   #22
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Thanks so much! Going to try to examine the engine one more time and confirm if the leak is coming from here.

Why do these go bad? Looks like it's just a rubber hose?
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Old 06-06-2018, 03:07 PM   #23
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Yes that is it. Same diagram I found
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Old 06-06-2018, 09:28 PM   #24
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Originally Posted by brandobot View Post
Thanks so much! Going to try to examine the engine one more time and confirm if the leak is coming from here.

Why do these go bad? Looks like it's just a rubber hose?
Heh. At some point, the vacuum hoses all get brittle. I pulled the manifold on an 04 a few years ago and the hoses were all hard as stone. They break rather than bend after a while.

It's kind of a bummer that the previous owner pulled the motor and then put it back in with 7 year old hoses, but oh well.
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Old 06-07-2018, 12:52 AM   #25
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I checked the hose (part # 99071AB351) and didnít see any oil nearby.

Next steps is to get under the car as I was not able to find any oil spots besides a small trail from below the intercooler coupler. This most likely come from the intercooler as I saw some oil there when i removed it.
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