Oil Leak from drain plug head? - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Tokay444 · 03-16-2020, 12:02 PM

Definitely not the OEM plug.

qqzj · 03-17-2020, 12:16 PM

Quote:

Originally Posted by Halo_2

Think you answered your own problem, stripped thread.

If your going to use a torque wrench on small bolts use a 1/4 or hand torque but hand near the head of the ratchet.

Learnt the hard way too using torque wrenches sometimes its not worth using them.

The problem is that he used 1/2 inch torque wrench, which is very imprecise at around 30 ft lbs. 1/4 inch tw is also useless here. What is needed is 3/8 inch torque wrench. OP has insufficient experience with tools. Not the tools fault. I actually don't bother with tw for this. Just use a regular 3/8 wrench, which is pretty short, and give it a hard turn. That's all.

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Halo_2 · 03-17-2020, 02:10 PM

The other reason not to use a torque wrench is its got oil on the thread so your going to over torque the bolt.

Plus its not a critical bolt ie. head bolt.

Brooklyn · 06-16-2020, 12:54 AM

Just to circle back and close the thread on this:

I removed the (non-OEM) drain plug and drained my oil. Upon inspection, it looks like the excessive force I put on the bolt by using my 1/2" drive made the drain plug cave in on itself.

I installed the fumoto valve according to the instructions and the leak seems to have stopped...hopefully forever. I was/am however worried I cross-threaded the threads but I'll keep an eye on it. Thanks all for the input. Hopefully others can learn from my mistake!

NoHaveMSG · 06-16-2020, 01:32 PM

Quote:

Originally Posted by Brooklyn

\ I put on the bolt by using my 1/2" drive made the drain plug cave in on itself.

1/2 Drive

Brooklyn · 06-16-2020, 05:02 PM

Quote:

Originally Posted by NoHaveMSG

1/2 Drive

Yoshoobaroo · 06-16-2020, 05:17 PM

Quote:

Originally Posted by Brooklyn

I was/am however worried I cross-threaded the threads

If it went in smoothly and easily until the gasket touched, you're fine!

humfrz · 06-17-2020, 02:33 AM

Quote:

Originally Posted by NoHaveMSG

1/2 Drive

Yep, OP, get yourself a 3/8" drive socket set with one of those short 5-6" ratchets. You will bust up a lot less stuff.

Put the 1/2" drive socket set down in the compartment of your tool box with the blow torch, BFH and crowbar.

radroach · 06-18-2020, 11:07 AM

fumoto valve ftw

humfrz · 06-18-2020, 08:26 PM

Quote:

Originally Posted by radroach

fumoto valve ftw

fumoto valves are for woosies. -

Real men use this. -

06-16-2020, 12:54 AM	#18
Brooklyn Member Join Date: Jan 2014 Drives: 2014 DGM BRZ Location: Calgary Posts: 52 Thanks: 60 Thanked 12 Times in 8 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Just to circle back and close the thread on this: I removed the (non-OEM) drain plug and drained my oil. Upon inspection, it looks like the excessive force I put on the bolt by using my 1/2" drive made the drain plug cave in on itself. I installed the fumoto valve according to the instructions and the leak seems to have stopped...hopefully forever. I was/am however worried I cross-threaded the threads but I'll keep an eye on it. Thanks all for the input. Hopefully others can learn from my mistake! Attached Images

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03-16-2020, 12:02 PM	#15
Tokay444 Banned Join Date: Feb 2016 Drives: 17 White 860. RCE Tarmac 2. RE-71RS Location: Not Canada Posts: 1,752 Thanks: 938 Thanked 1,024 Times in 581 Posts Mentioned: 10 Post(s) Tagged: 0 Thread(s)	Definitely not the OEM plug.

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Halo_2 Senior Member Join Date: Jul 2019 Drives: 2014 MY15 86 GTS Location: Australia Posts: 100 Thanks: 29 Thanked 39 Times in 17 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	The other reason not to use a torque wrench is its got oil on the thread so your going to over torque the bolt. Plus its not a critical bolt ie. head bolt.

06-18-2020, 11:07 AM	#23
radroach Senior Member Join Date: Feb 2013 Drives: car Location: usa Posts: 2,162 Thanks: 1,028 Thanked 867 Times in 530 Posts Mentioned: 35 Post(s) Tagged: 1 Thread(s)	fumoto valve ftw

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