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05-24-2018, 05:45 AM | #1 |
Scooby Newbie
Member#: 465246
Join Date: Mar 2017
Location: OhStraya
Vehicle:2009 Forester XT |
Anybody had Coolant in there oil?
Hey guys,
If you have read my previous threads, I have recently put in a brand new EJ257 shortblock from subaru and had my heads reco'd at my local shop. Unfortunately I am having nothing but issues at the moment. The car has been smoking on startup and "loosing" coolant. I recently died my coolant and found my oil to be radioactive This was the same reason I ended up doing all the work... Any idea's on what it could be? As far as I am aware the shop did not pressure test my head - could it have a crack somewhere causing this?
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05-24-2018, 08:54 AM | #2 |
Scooby Newbie
Member#: 428401
Join Date: Aug 2015
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Are you sure it is dye from the coolant getting into the oil? Used oil usually has a slight luminescence when hit with a UV light.
Edit: if the heads weren’t pressure tested it is entirely possible one is cracked and letting coolant into the oil. |
05-25-2018, 03:02 AM | #3 | |
Scooby Newbie
Member#: 465246
Join Date: Mar 2017
Location: OhStraya
Vehicle:2009 Forester XT |
Quote:
EDIT: I checked a engine that doesn't have any issues, and you are right. the oil does react to the UV light.... Hmm. I started the car with the radiator cap off and there was a heap of bubbles in the expansion tank...is this normal? (The car does loose coolant) Last edited by Booki; 05-25-2018 at 04:58 AM. |
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05-25-2018, 10:50 AM | #4 | |
NASIOC Supporter
Member#: 30669
Join Date: Dec 2002
Chapter/Region:
Tri-State
Location: USA, North NJ, 07456
Vehicle:1998 Legacy 2.5GT Silver Sleeper BK, 5MT |
Quote:
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05-25-2018, 11:55 AM | #5 |
Scooby Newbie
Member#: 203132
Join Date: Feb 2009
Location: Denver, CO
Vehicle:2005 LGT 5MT Stg2 |
A combustion gas leak test is a good start.
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05-25-2018, 11:32 PM | #6 |
Scooby Newbie
Member#: 465246
Join Date: Mar 2017
Location: OhStraya
Vehicle:2009 Forester XT |
So....this is not normal?
https://youtu.be/rGyTdGgTiuw https://youtu.be/upA2t_QhJe8 |
05-26-2018, 09:29 AM | #7 |
Scooby Newbie
Member#: 428401
Join Date: Aug 2015
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I don’t believe so. Didn’t you get a cooling system bleeding funnel? Re do that video with the funnel installed,bled and with some coolant in it so you can tell if the bubbles are air coming from the system or being made by turbulence in the neck.
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05-26-2018, 10:00 AM | #8 |
Scooby Newbie
Member#: 465246
Join Date: Mar 2017
Location: OhStraya
Vehicle:2009 Forester XT |
The system was vacuum filled.
I'll try the same thing with some coolant in it but I can feel the bubbles if I squeeze the top hose before starting the car... |
05-26-2018, 11:00 AM | #9 | |
NASIOC Supporter
Member#: 30669
Join Date: Dec 2002
Chapter/Region:
Tri-State
Location: USA, North NJ, 07456
Vehicle:1998 Legacy 2.5GT Silver Sleeper BK, 5MT |
Quote:
Liquid will expand a little bit when heated. Gas will expand a lot when heated. So, air in the system will tend to push coolant out, again, not good. Have you burped the system with the front of the car raised a bit? Are you filling and burping with the interior heat set to hot? |
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05-26-2018, 11:07 AM | #10 | ||
Scooby Guru
Member#: 22412
Join Date: Aug 2002
Chapter/Region:
SWIC
Location: Albuquerque, NM
Vehicle:2024 Legacy Sport |
Quote:
Quote:
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05-27-2018, 07:56 AM | #11 | |
Scooby Newbie
Member#: 465246
Join Date: Mar 2017
Location: OhStraya
Vehicle:2009 Forester XT |
Quote:
The shop didn't pressure test it unfortunately. Its a mixture of white smoke and sometimes blue... |
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05-27-2018, 07:34 PM | #12 |
Scooby Newbie
Member#: 428401
Join Date: Aug 2015
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Do the spark plugs show any sign of, well, anything?
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05-28-2018, 06:12 AM | #13 |
Scooby Newbie
Member#: 465246
Join Date: Mar 2017
Location: OhStraya
Vehicle:2009 Forester XT |
Honestly not really. But I plan on pulling them back out to have a other look.
I checked the pistons with a bore scope, no obvious signs of anything. Bit of carbon for a engine that has done about 600kms, but I'm thinking it's time to pull the motor again and get the head tested. |
05-30-2018, 08:53 AM | #14 |
Scooby Newbie
Member#: 465246
Join Date: Mar 2017
Location: OhStraya
Vehicle:2009 Forester XT |
More videos. Cars cold with water up top of the spill free funnel.
Any thoughts? https://youtu.be/_FdmQZT4cLI Another video with it at operating temp https://youtu.be/Kak41gPOge4 Should also note that the overflow reservior was basically empty..the car was started similar to these videos prior it being full. |
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