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Old 02-27-2021, 02:25 PM   #6
Elbert Bass
Scooby Specialist
Member#: 283429
Join Date: May 2011
Chapter/Region: South East
Location: Down yonder.
2016 Fuji Sunfire 03


Originally Posted by CaptainSlowbaru View Post
For what it's worth, I don't really see FA engines leak oil- it's only the FB engines that seem to leak. The FA20 has been in service since the 2014 XT Forester, and I don't remember seeing any that leaked oil. I've seen FB20's and FB25's leak as late as MY2018. The FA24 (in the Ascent) has been overwhelmingly problem-free for us so far.

To sum up, from my experience, the turbo engines seem far better as far as oil leaks are concerned. Even the turbo EJ has vastly fewer externally leaking head gaskets from what I've seen.
Yes, I recall only having one BRZ leak, and no FA WRX/Forester. You are correct regarding twin cam EJs. When they lose a head gasket it's is primarily internal.
The only Twin EJ I saw leak external was a 13 WRX. It blew the seal ring in the gasket then burned the center of the gasket. It started blowing out behind the water pump. Combustion gas etched the head and block and the engine would blow water and fire out the gap. Another tech had replaced a short block and left a head bolt loose.

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