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#1 |
Scooby Specialist
Member#: 395955
Join Date: Jul 2014
Chapter/Region:
Tri-State
Location: Bucks County, PA
Vehicle:2016 WRX Premium Rock Chip Metallic |
![]() Last Friday while swapping out my summer wheels with the winter wheels, I gave a look underneath my car and noticed that my front differential is wet. It has no particular color (not red/green/blue) and seems to be motor oil.
Oddly enough I noticed it about 2 months ago while changing my oil. Thought nothing of it, cleaned it up and made a mental note to check for it next oil change. Which hasn't come yet and it's wet again. I don't believe it's the diff itself. As it appears to be coming from the back of the motor. I work for a Cadillac dealer and some of the techs here suggested it may be a rear main seal. Or a leak from the case itself. But I'm not sure as I can't find any info on a leak from the rear of FA motors. Just looking for insight here. And before the comment is made, I have an appointment to visit the dealer this coming Friday morning. I'll report back with what they tell me. ![]() ![]()
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#2 |
Scooby Newbie
Member#: 459692
Join Date: Dec 2016
Chapter/Region:
South East
Location: Hampton Roads Va
Vehicle:2015 WRX pure red |
![]() I doubt it's the engine rear seal, the pan is dry. My money is on the differential oil fill plug.
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#3 |
Scooby Newbie
Member#: 472037
Join Date: Jul 2017
Chapter/Region:
MWSOC
Vehicle:2018 WRX Limited CWP |
![]() Someone reused the washer?
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#4 |
Scooby Specialist
Member#: 395955
Join Date: Jul 2014
Chapter/Region:
Tri-State
Location: Bucks County, PA
Vehicle:2016 WRX Premium Rock Chip Metallic |
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#5 | |
Scooby Specialist
Member#: 165955
Join Date: Dec 2007
Location: California
Vehicle:2015 WRX Base WRB |
![]() Quote:
That is not pictured here. Based on that control arm bushing, this is from the trans/diff looking towards the rear. The black piece pictured on the left is the center jack point. The oil pan's drain plug is found between the skid pad, and the center jack point. What you think is the engine drain plug is the CVT trans drain plug. The leak looks like it is coming from the drain plug or the seal of the center diff to trans. I'd start with the diff drain plug, and attempt to torque to spec. Maybe slightly over, but nothing too much. Clean the area, and monitor. You can also check the diff fluid level and see if you are low. |
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#6 | |
Scooby Newbie
Member#: 459692
Join Date: Dec 2016
Chapter/Region:
South East
Location: Hampton Roads Va
Vehicle:2015 WRX pure red |
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#7 |
Scooby Specialist
Member#: 428511
Join Date: Aug 2015
Location: philadelphia
Vehicle:2016 STI |
![]() just to clarify, how much oil are you losing?
do you have drips on the floor daily? Or just a pan with residue? And serviced or not, forget the crush washer nonsense. Those things can be re-used countless times with no leakage. If you really had to replace them EVERY time I'd hang myself. |
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#8 | |
Scooby Specialist
Member#: 395955
Join Date: Jul 2014
Chapter/Region:
Tri-State
Location: Bucks County, PA
Vehicle:2016 WRX Premium Rock Chip Metallic |
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#9 |
Scooby Specialist
Member#: 393629
Join Date: Jun 2014
Chapter/Region:
W. Canada
Location: Calgary
Vehicle:2015 WRX |
![]() Looks like leaking around the washer from the drain plug. I'd personally just keep an eye on the fluid level (guarantee you aren't losing much) and have it serviced sooner than needed.
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#10 |
Scooby Newbie
Member#: 361609
Join Date: Jul 2013
Chapter/Region:
E. Canada
Location: Richmond Hill, ON, Canada
Vehicle:2015 WRX CVT WRB Pearl |
![]() This is a known issue on the CVT WRX models and there is a Technical Service Bulletin for it. Speak to the dealer and get the pan gasket and drain plug replaced.
"This service bulletin addresses a small number of customer concerns pertaining to fluid seepage found originating from the CVT assembly. Investigation has identified a possible source of the seepage to be the sealant used on the CVT’s oil pump chain cover. The repair involves removal, a thorough cleaning and inspection of the sealing surfaces followed by resealing the cover." NUMBER: SB.16.04.17 |
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#11 | |
Scooby Specialist
Member#: 395955
Join Date: Jul 2014
Chapter/Region:
Tri-State
Location: Bucks County, PA
Vehicle:2016 WRX Premium Rock Chip Metallic |
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#12 |
Scooby Newbie
Member#: 443545
Join Date: Mar 2016
Chapter/Region:
RMIC
Location: SLC, Utah
Vehicle:2015 WRX Limited CVT Lightning Red |
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#13 | |
Scooby Specialist
Member#: 9264
Join Date: Aug 2001
Vehicle:2016 BMW M235i 6MT |
![]() Quote:
Here's the thread to the leak on the 3.6R. Pictures look familiar, right? http://www.subaruoutback.org/forums/...5-ob-3-6r.html Last edited by MaddMax; 12-20-2017 at 03:31 PM. |
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#14 |
Scooby Specialist
Member#: 395955
Join Date: Jul 2014
Chapter/Region:
Tri-State
Location: Bucks County, PA
Vehicle:2016 WRX Premium Rock Chip Metallic |
![]() Man. Not looking forward to my drivetrain potentially needing to come out.
Never feels the same afterwards. |
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#15 |
Scooby Newbie
Member#: 458361
Join Date: Nov 2016
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![]() Yes. I just had mines done.
303135 CVT R&R and reseal oil pump chain cover 1 31377AA510 Ring Seal 1 SOA868V9600 Three Bond 1215 1 803916100 gasket 16.3 X 22 X 1.0 1 826920070 O ring 2 SOA868V9116 Cal-spec brake cleaner Service manager said it would of cost $880 for repair, lucky I was still within warranty period. |
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#16 |
Scooby Specialist
Member#: 395955
Join Date: Jul 2014
Chapter/Region:
Tri-State
Location: Bucks County, PA
Vehicle:2016 WRX Premium Rock Chip Metallic |
![]() Just got back from the dealer. They mentioned seeing this leak before and all they did was re-torque the diff drain plug and clean the area.
I was happy to not be there long but they asked me to keep an eye on it. I’m hoping it doesn’t return and it was just a drain plug issue. |
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#17 |
Scooby Newbie
Member#: 391112
Join Date: May 2014
Location: Tampa FL
Vehicle:2015 WRX Limited GBP |
![]() So I just did an oil change in my 2015 CVT and noticed the same thing as well. Is the TSB a service they will perform if Im out of warranty?
FWIW, I did have the CVT fluid drained and replaced by my dealer at 50K. Ive done a few oil changes since then and this just recently manifested.... |
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#18 | |
Scooby Newbie
Member#: 472037
Join Date: Jul 2017
Chapter/Region:
MWSOC
Vehicle:2018 WRX Limited CWP |
![]() Quote:
You can try asking. |
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#19 |
Scooby Specialist
Member#: 283429
Join Date: May 2011
Chapter/Region:
South East
Location: Down yonder.
Vehicle:2016 Fuji Sunfire 03 Silver |
![]() Actually you should be covered. TSB 16-103-16R for the oil leak from the TR690 CVT chain cover is included in the CVT Warranty Extension. Reference TSB 16-107-17R, it clearly states TSB 16-103-16R is included in the extension.
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#20 |
Scooby Newbie
Member#: 391112
Join Date: May 2014
Location: Tampa FL
Vehicle:2015 WRX Limited GBP |
![]() I was not aware of a CVT warranty extension. Thank you.
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