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Old 05-07-2016, 10:52 AM   #1
n00b on demand
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Default questions about engine issues after short block replacement

Hello everyone,

Back in october of 2015 my Impreza sport premuim 5spd underwent short block replacement due to excessive oil consumption. The car had approximately 45k on the odometer. The car now has 53k on it but in between I have gone through a few issues. My CEL came on and I took it to the dealer. Turns out it was camshaft position sensor bank 1. They ended up clearing the light and said everything was operating normally. The light came on again just a week after and I brought it back to the dealer. They replaced a cam sproket and sent me on my way. 2 weeks after that the light came on again....they seemed to be a little confused as to what was going on. The technician apparently did an engine flush and noted that the filters in the cam carriers were clogged. I have no idea what that even means but they did the flush and changed the oil and I took the car home.

The CEL has not come back since...it has been about 800 miles of driving since however I am getting this horrible smell in the car of burning oil now anytime I am driving and I have the vents open. I took a look in the engine bay and did not see anything leaking and checked the oil level this morning and its still full. My gas mileage also appears to have taken a little hit also. I would like to think maybe they spilled some oil onto the exhaust or somewhere in the engine and it just needs to burn off but 800 miles later and that smell is still strong and awful.

I was driving on the highway last weekend and after about 30 mins I stopped at a gas station for fuel and noticed that there was smoke coming from somewhere in the engine. I popped the hood and it looked almost like it was coming from the radiator area or front of the engine itself. I almost thought it was steam but wasnt sure because it was raining a bit and I was driving through that rain. Anyone got any ideas or advice? The car operates and drives just fine except for that smell and the gas mileage seeming to have dipped a tiny bit. I have gone through a lot of crap with this car and it only has 53k on it. My heart is telling me to trade it in and get a new Subaru but I just dont want to deal with another car payment. I just paid this car off in December 2015.
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Old 05-08-2016, 07:32 PM   #2
n00b on demand
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DGM

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Anyone?
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Old 05-10-2016, 01:15 PM   #3
1meanSw20
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What does the burning smell well smell like? does it smell like burning oil or more of a sweet coolant smell? something is dripping off the block or a cooling component and hitting the exhaust manifold pipping and burning off
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Old 05-10-2016, 01:55 PM   #4
Angelus911
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You should take it back to the dealer - you're still under the 60k warranty and the 1yr/12k warranty for the shortblock, and probably are part of the class-action extended 8yr/100k warranty like I am.
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Old 05-14-2016, 08:53 AM   #5
n00b on demand
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It definitely smells like burning oil. While driving the smell isnt there but while stopped at a red light with the vents open it is strong. There isnt any smoke coming from anywhere. I will check the oil level in a few minutes. Its been 1,015 miles since the last oil change.
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Old 05-15-2016, 02:14 PM   #6
n00b on demand
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Oil level still completely full.
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Old 05-16-2016, 10:41 AM   #7
DrummerDaveB
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Think about all the things that are removed and reinstalled when you do a shortblock replacement.
There are about 100 different things that could be leaking. Head gaskets, valve cover gaskets, timing covers, or oil pan gaskets to name a few.
It could even be spilled oil. Nothing to do but look and see what is leaking, and from where.
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Old 05-17-2016, 06:48 PM   #8
subypete
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I had the Rings tsb done (short block replacement done before that which did not work), ever since I have had oil leaks at timing chain cover, head gasket, upper oil pan, exhaust valve gasket? Each leak required multiple trips back to the dealer. I was persistent got under the car, removed the under cover, and took pictures of the oil leaks, printed them out to show the service writer and tech so they can get it fixed under warranty. Like drummerdave mentioned, a lot can go wrong if not properly sealed and reassembled after the short block replacement. Like you I would smell burning oil when I come to a stop light. At first dealer thought it was just over spill oil and did not want to take action. I had to show them that I sprayed and cleaned it off just to have the leaking oil return so they can take action. Everything wascovered under power train warranty and it is finally fixed. More of an annoyance since I had to make many trips. Good luck and hope your situation is just over spill that needed to be cleaned up.
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Old 05-20-2016, 07:18 AM   #9
n00b on demand
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So far the oil level is completely full 1,200 after the last change. If it was leaking it would be much lower by now wouldn't it?
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Old 05-20-2016, 11:09 PM   #10
subypete
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It may be a slow leak dripping onto exhaust causing the buring smell. Slow enough not noticeable at the dip stick.
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Old 05-21-2016, 11:00 PM   #11
n00b on demand
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I will schedule an appointment for the dealer. I would have thought it would have been noticeable on the dipstick after 1,200 miles if it was leaking enough to cause a smell. This is so annoying. I thought my issues were solved after short block replacement.
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Old 05-22-2016, 08:30 PM   #12
n00b on demand
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Got under the car today and the underbody cover on the passenger side was soaked with oil. I took pictures but can't post them on here from my app on my iPhone. How do I do this? I am so pissed right now.
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Old 05-22-2016, 09:04 PM   #13
n00b on demand
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Could this be an oil control valve problem? When I had the CEL read at autozone back in February it said cam shaft position sensor but something about the oil control valve also. Subaru said nothing about the oil control valve. What does this part do? After doing a YouTube search I found a video of someone with a similar problem from ironically enough the passenger side of the engine.

https://youtu.be/Hqc1QeQRtK4
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Old 05-23-2016, 02:45 AM   #14
CosmoTheCat
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Quote:
Originally Posted by n00b on demand View Post
I am so pissed right now.
If you had returned to the dealer two weeks ago, it wouldn't be that oily.
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Old 05-23-2016, 07:24 PM   #15
n00b on demand
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Made an appointment for my next day of which is June 6th. Ironically June 6th 2012 was when I picked my car up from the very same dealer.
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