Potential Cause of rumored GR86’s blown engine? Seal packing(RTV) was peeled off - Page 36 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

NoHaveMSG · 08-04-2022, 09:19 PM

Quote:

Originally Posted by Ultramaroon

Hey, guys, if you're going to drop and reinstall your pans, please be careful about keeping the RTV away from the screw holes, especially if they are closed at the bottom.

I learned the lesson as a kid when I ruined a casting by ignoring the physics of incompressible fluids. Cracked it wide open lengthwise along the cavity.

I know it's a challenge, but this can kill the most valuable parts of the engine if the RTV has nowhere else to go.

I have seen it too, mostly on motorcycle cases.

Where is that picture from? Procedure is to apply to the lower pan, not the upper pan.

Ultramaroon · 08-04-2022, 10:03 PM

Quote:

Originally Posted by NoHaveMSG

I have seen it too, mostly on motorcycle cases.

Where is that picture from? Procedure is to apply to the lower pan, not the upper pan.

orly? Look back a couple pages for source. I didn't want to make a big deal but, yes. a few oopsies.

NoHaveMSG · 08-04-2022, 10:36 PM

Quote:

Originally Posted by Ultramaroon

orly? Look back a couple pages for source. I didn't want to make a big deal but, yes. a few oopsies.

No I am wrong, it is the upper assembly that gets the FIPG applied.

Ultramaroon · 08-04-2022, 10:40 PM

Quote:

Originally Posted by NoHaveMSG

No I am wrong, it is the upper assembly that gets the FIPG applied.

I was too lazy to verify. I only suspected it. Shame on both of us.

NoHaveMSG · 08-04-2022, 10:56 PM

Quote:

Originally Posted by Ultramaroon

I was too lazy to verify. I only suspected it. Shame on both of us.

Engine is always upside down on the stand.

gcmak · 08-04-2022, 11:37 PM

Quote:

Originally Posted by NoHaveMSG

I have seen it too, mostly on motorcycle cases.

Where is that picture from? Procedure is to apply to the lower pan, not the upper pan.

Definitely curious about the silicone in the screw holes but Justin seems to have experience on quite a few cars including the last gen.

soundman98 · 08-05-2022, 12:02 AM

that's great, do it yourself. but how do you know you're not applying even more and creating the same problem all over again?

the question i still don't understand is why doesn't everyone make their own gasket for this?!?

it appears to be 2 singular parts touching, so there's no extra sealant needed to seal the seams between engine halves... so grab some gasket material, and cut to fit...

Liquidsnake · 08-05-2022, 12:41 AM

We are all fd in the A!!!!!

Ronac · 08-05-2022, 01:43 AM

He probably added more silicone than was there in the first place…

Also, the silicone that gets stuck in the pickup doesn’t only come from the oil pan. It can come from the front timing cover mating surface as well. It can continue to break off from there and plug up the pickup.

timurrrr · 08-05-2022, 01:55 AM

We really need to figure out how to inspect and clean the oil pickup tube without taking the oil pan off.
Someone on FB posted that his Subaru techs were able to take a photo of his filter mesh without taking the pan off.

mycrors7 · 08-05-2022, 02:14 AM

Quote:

Originally Posted by timurrrr

We really need to figure out how to inspect and clean the oil pickup tube without taking the oil pan off.
Someone on FB posted that his Subaru techs were able to take a photo of his filter mesh without taking the pan off.

yea see that's impossible.. like physically impossible, especially at the angle that photo was taken

timurrrr · 08-05-2022, 02:20 AM

Quote:

Originally Posted by mycrors7

yea see that's impossible.. like physically impossible, especially at the angle that photo was taken

Great catch, that photo was clearly taken from a few inches "down" from the tip of the pickup tube!

Ultramaroon · 08-05-2022, 02:24 AM

Quote:

Originally Posted by Ronac

He probably added more silicone than was there in the first place…

Way too much is being made of this. I don't endorse this preemptive DIY disassembly of the engine. I certainly don't endorse publishing amateur youtube videos of sloppy work, but it's a free internet. Have at it.

mycrors7 · 08-05-2022, 03:13 AM

Tbh all someone has to do is weld on a bung right where the oil pickup is and have a plug there. Drain oil, pull plug, use long pick to clean out the excess rtv, plug it up and repeat every oil change as a precaution

Or just full send cause it being a Subaru boxer it’s likely going to go kaboom one way or another

08-05-2022, 12:02 AM	#497
soundman98 ProCrastinationConsultant Join Date: Sep 2013 Drives: '14 Ranger, '18 Tacoma 4Dr LB Location: chicago-ish Posts: 11,330 Thanks: 35,240 Thanked 13,673 Times in 6,781 Posts Mentioned: 98 Post(s) Tagged: 0 Thread(s)	that's great, do it yourself. but how do you know you're not applying even more and creating the same problem all over again? the question i still don't understand is why doesn't everyone make their own gasket for this?!? it appears to be 2 singular parts touching, so there's no extra sealant needed to seal the seams between engine halves... so grab some gasket material, and cut to fit... __________________ "The time you enjoy wasting is not wasted time"

08-05-2022, 12:41 AM	#498
Liquidsnake Senior Member Join Date: Apr 2012 Drives: "I drives like a Porsche" Location: LA Posts: 638 Thanks: 89 Thanked 245 Times in 136 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	We are all fd in the A!!!!! __________________

08-05-2022, 01:55 AM	#500
timurrrr Senior Member Join Date: May 2019 Drives: 2022 GR86 Location: Between Sonoma and Laguna Seca Posts: 1,707 Thanks: 2,129 Thanked 1,297 Times in 718 Posts Mentioned: 30 Post(s) Tagged: 1 Thread(s)	We really need to figure out how to inspect and clean the oil pickup tube without taking the oil pan off. Someone on FB posted that his Subaru techs were able to take a photo of his filter mesh without taking the pan off. __________________ Follow the build thread for my GR86!

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08-05-2022, 01:43 AM	#499
Ronac Junior Member Join Date: Jun 2022 Drives: Gr86 Location: Vancouver Posts: 6 Thanks: 0 Thanked 5 Times in 2 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	He probably added more silicone than was there in the first place… Also, the silicone that gets stuck in the pickup doesn’t only come from the oil pan. It can come from the front timing cover mating surface as well. It can continue to break off from there and plug up the pickup.

08-05-2022, 03:13 AM	#504
mycrors7 Senior Member Join Date: Jul 2014 Drives: zd8 brz Location: United States Posts: 187 Thanks: 71 Thanked 189 Times in 88 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Tbh all someone has to do is weld on a bung right where the oil pickup is and have a plug there. Drain oil, pull plug, use long pick to clean out the excess rtv, plug it up and repeat every oil change as a precaution Or just full send cause it being a Subaru boxer it’s likely going to go kaboom one way or another

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