JRSC oil use - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

xsnapshot · 03-25-2016, 04:20 PM

I've got a relatively new JRSC (C30) with the HBP. I installed about 1000 miles ago. Install went great, fluid levels were correct.

About 500 miles in I checked the fluid and noticed I was at the bottom of the dipstick. I added until it was mid-range.

Just now I checked it again and my reservoir was again at the bottom of the dipstick. Both times I made sure the car was running and warm when checking fluid levels.

Is this a sign of a more serious problem? I took off the hot side piping and did not notice any oil residue on the inside. I also cannot visually see any leaks, but I can't really see the oil cooler either. (doubt that's the issue..but just FYI)

JDMChris · 03-25-2016, 06:41 PM

You have to check it with someone revving the car to about 2500-3000rpm. As the revs increase, the reservoir fills up more. That is why if you overfill it, it seeps out the top(even if it doesn't look full).

CSG Mike · 03-25-2016, 09:45 PM

Rotrex fluid or engine oil?

xsnapshot · 03-27-2016, 10:22 PM

Quote:

Originally Posted by CSG Mike

Rotrex fluid or engine oil?

Rotrex. But... I must confess I had misread my manual. I thought you were just supposed to have the car nice and hot when you checked it.

I went back and checked it by the method described exactly in the install manual and my oil level is fine. (actually it's slightly over filled, but nothing has leaked out).

Lesson learned.

03-25-2016, 04:20 PM	#1
xsnapshot Fast enough Join Date: Jun 2013 Drives: 2013 Subaru BRZ AT Location: nashville Posts: 175 Thanks: 11 Thanked 56 Times in 38 Posts Mentioned: 3 Post(s) Tagged: 2 Thread(s)	JRSC oil use I've got a relatively new JRSC (C30) with the HBP. I installed about 1000 miles ago. Install went great, fluid levels were correct. About 500 miles in I checked the fluid and noticed I was at the bottom of the dipstick. I added until it was mid-range. Just now I checked it again and my reservoir was again at the bottom of the dipstick. Both times I made sure the car was running and warm when checking fluid levels. Is this a sign of a more serious problem? I took off the hot side piping and did not notice any oil residue on the inside. I also cannot visually see any leaks, but I can't really see the oil cooler either. (doubt that's the issue..but just FYI)

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03-25-2016, 06:41 PM	#2
JDMChris Senior Member Join Date: Oct 2013 Drives: 2016 Location: Riverside, CA Posts: 275 Thanks: 51 Thanked 119 Times in 87 Posts Mentioned: 6 Post(s) Tagged: 2 Thread(s)	You have to check it with someone revving the car to about 2500-3000rpm. As the revs increase, the reservoir fills up more. That is why if you overfill it, it seeps out the top(even if it doesn't look full).

03-25-2016, 09:45 PM	#3
CSG Mike Join Date: Jul 2012 Drives: S2000 CR Location: Orange County Posts: 14,527 Thanks: 8,916 Thanked 14,174 Times in 6,833 Posts Mentioned: 966 Post(s) Tagged: 14 Thread(s)	Rotrex fluid or engine oil?

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