Found : head gasket oil leak on 2 used 2010 YARIS ... - Page 11 - Toyota Yaris Forums

Hershey · 12-07-2012, 01:27 PM

I've found a few SCION XBs that have the same engine as the YARIS to have same oil leak . Not sure about the XAs . Rarely see those at used car lots .

nookandcrannycar · 12-08-2012, 02:29 PM

Quote:

Originally Posted by Hershey

I've found a few SCION XBs that the same engine as the YARIS to have same oil leak . Not sure about the XAs . Rarely see those at used car lots .

Agreed. i don't see as many XAs out on the road either.

yaris2010RS · 12-07-2012, 10:32 PM

Hershey, lets not jump to conclusions and make a pandemic over something that isnt proven.

Please note i have been monitoring this since 2010 when i got my car and it was always existent but i never once noticed oil on the ground under my car, even after it sat for numerous days at a time. Also i never once noticed my oil dip stick dropped, even after i was boosted i only once noticed an oil drop and it was due to a seperate oil leak on a turbo line.

another note, my car parks in the same spot every night in my garage, the same way. there has never been an oil drip on my white concrete floor.

All that being said, this oil debris was visible on my 2010 yaris since about 4-6 months old (when i first checked)

I do believe My car is not a perfect example as it was oil changed at the dealer since day one and im not 100% sure they did not ever "miss" the oil fill hole. i do believe if they were missing and some was running down the back of the engine i would smell a burning when it hit the header and also the chances of just missing enough to run down the back of the engine and stop on the ledge without going any lower is a long shot. I am comfortable in saying some of this collection of oil and debris could have been caused from oil change sloppyness but i am not able to say that all of this has been caused from oil change sloppyness.

I will attach more pictures soon of the head gasket, from impressions in the head gasket i can say i did not see any failed points but the possibility of raw exhaust (carbon, oil, and other compression debris) blowing through the 2 piece layered head gasket.

Calling this a "Leak" may be premature and incorrect, i am still leaning towards the gasket sweating out between them.

Something else to note, the 2 head bolts on the timing chain edge did seem not as torqued down as the other bolts.

Hershey · 12-07-2012, 11:04 PM

I'm fine with it now . It's oil under the pan .

nookandcrannycar · 12-08-2012, 02:37 PM

Quote:

Originally Posted by Hershey

I'm fine with it now . It's oil under the pan .

Pun of the Day

.

Hershey · 04-23-2013, 11:22 PM

I'd let it slide for now . Clean the areas and watch . Check P.C.V. as stated above and replace if needed . Takes about 15 minutes to replace . Longer if stubborn . Use an closed end wrench to get leverage . May want to check the rear corner and the back of of valve cover on the passenger side . That could be a a culprit . Remove any residue in that area . Would also clean any oil from top of the valve cover that may been spilled during oil changes . Do this when checking P.C.V.. I use window cleaner to cut through oil resdue / grime . You'd be amazed how well it works . Paper towels used to remove grime / oil .

12-07-2012, 01:27 PM	#1
Hershey Drives: 08 Yaris sedan auto / Fit auto Join Date: Oct 2009 Location: northeast Posts: 2,894	I've found a few SCION XBs that have the same engine as the YARIS to have same oil leak . Not sure about the XAs . Rarely see those at used car lots . Last edited by Hershey; 12-08-2012 at 10:32 PM.

12-07-2012, 10:32 PM	#3
yaris2010RS View User's Garage Drives: no-longer-boosted '10 Yaris Join Date: Nov 2009 Location: Angus, Ontario Posts: 1,886	Hershey, lets not jump to conclusions and make a pandemic over something that isnt proven. Please note i have been monitoring this since 2010 when i got my car and it was always existent but i never once noticed oil on the ground under my car, even after it sat for numerous days at a time. Also i never once noticed my oil dip stick dropped, even after i was boosted i only once noticed an oil drop and it was due to a seperate oil leak on a turbo line. another note, my car parks in the same spot every night in my garage, the same way. there has never been an oil drip on my white concrete floor. All that being said, this oil debris was visible on my 2010 yaris since about 4-6 months old (when i first checked) I do believe My car is not a perfect example as it was oil changed at the dealer since day one and im not 100% sure they did not ever "miss" the oil fill hole. i do believe if they were missing and some was running down the back of the engine i would smell a burning when it hit the header and also the chances of just missing enough to run down the back of the engine and stop on the ledge without going any lower is a long shot. I am comfortable in saying some of this collection of oil and debris could have been caused from oil change sloppyness but i am not able to say that all of this has been caused from oil change sloppyness. I will attach more pictures soon of the head gasket, from impressions in the head gasket i can say i did not see any failed points but the possibility of raw exhaust (carbon, oil, and other compression debris) blowing through the 2 piece layered head gasket. Calling this a "Leak" may be premature and incorrect, i am still leaning towards the gasket sweating out between them. Something else to note, the 2 head bolts on the timing chain edge did seem not as torqued down as the other bolts. __________________ If it has boobs or wheels sooner or later your gonna have problems with it

12-07-2012, 11:04 PM	#4
Hershey Drives: 08 Yaris sedan auto / Fit auto Join Date: Oct 2009 Location: northeast Posts: 2,894	I'm fine with it now . It's oil under the pan . Last edited by Hershey; 12-08-2012 at 11:00 AM.

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04-23-2013, 11:22 PM	#6
Hershey Drives: 08 Yaris sedan auto / Fit auto Join Date: Oct 2009 Location: northeast Posts: 2,894	I'd let it slide for now . Clean the areas and watch . Check P.C.V. as stated above and replace if needed . Takes about 15 minutes to replace . Longer if stubborn . Use an closed end wrench to get leverage . May want to check the rear corner and the back of of valve cover on the passenger side . That could be a a culprit . Remove any residue in that area . Would also clean any oil from top of the valve cover that may been spilled during oil changes . Do this when checking P.C.V.. I use window cleaner to cut through oil resdue / grime . You'd be amazed how well it works . Paper towels used to remove grime / oil .