Minor oil leak - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

blsfrs · 10-26-2025, 03:25 PM

A couple of weeks ago, I noticed a faint hot oil smell. Upon inspection, there was oil on the skid plate. The FA24 has been in the car for almost a year.

Fortunately, it turned out to be an easy fix. Some one must have been in a bit of a hurry when they installed the dipstick tube. I still had the tube from my old engine with an intact "O" ring that I transferred to the FA24 tube.

Moral of the story: When you are putting your tube in the hole, use some lube and work it in slowly. Gentle oscillations and kind words can help. After all, they don't call it an "O" for nothing.

bmacfrs · 10-26-2025, 05:20 PM

I had the exact same problem. Showed up at my first race tho. The oring was split so an easy paddock fix. Likely damaged when I inserted the tube.

Sent from my SM-S901U using Tapatalk

norcalpb · 11-03-2025, 09:55 PM

Is the O-ring for where the tube goes into the block?

bmacfrs · 11-04-2025, 04:47 PM

Quote:

Originally Posted by norcalpb

Is the O-ring for where the tube goes into the block?

Yes. And its not a normal round o-ring. It has a bit of a crown to its outer edge. I'd suggest using the OE part instead of something out of an assortment kit.

Sent from my SM-S901U using Tapatalk

10-26-2025, 03:25 PM	#1
blsfrs Senior Member Join Date: Dec 2018 Drives: 2013 frs base Location: central Virginia Posts: 1,440 Thanks: 2,684 Thanked 1,442 Times in 685 Posts Mentioned: 13 Post(s) Tagged: 0 Thread(s)	Minor oil leak A couple of weeks ago, I noticed a faint hot oil smell. Upon inspection, there was oil on the skid plate. The FA24 has been in the car for almost a year. Fortunately, it turned out to be an easy fix. Some one must have been in a bit of a hurry when they installed the dipstick tube. I still had the tube from my old engine with an intact "O" ring that I transferred to the FA24 tube. Moral of the story: When you are putting your tube in the hole, use some lube and work it in slowly. Gentle oscillations and kind words can help. After all, they don't call it an "O" for nothing. Attached Images

10-26-2025, 05:20 PM	#2
bmacfrs Senior Member Join Date: Dec 2016 Drives: 2013 FRS Location: Central PA Posts: 321 Thanks: 157 Thanked 79 Times in 51 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	I had the exact same problem. Showed up at my first race tho. The oring was split so an easy paddock fix. Likely damaged when I inserted the tube. Sent from my SM-S901U using Tapatalk __________________ WIFE: "How can there be anything left to buy?"

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11-03-2025, 09:55 PM	#3
norcalpb Senior Member Join Date: Oct 2013 Drives: 2013 BRZ, 2023 Model 3 Location: SF Bay Area Posts: 2,345 Thanks: 1,256 Thanked 902 Times in 590 Posts Mentioned: 15 Post(s) Tagged: 0 Thread(s)	Is the O-ring for where the tube goes into the block?

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