What should I do about a tire has been patched by a tire chain shop, but is still lea - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

ghostzfh · 12-14-2021, 09:01 PM

I sprayed soapy water over the patch, and not a single visible bubble formed, but there's a very slow leak on the tire as my TPMS has constantly went off and putting air in it fixes the problem. Are tire patches supposed to stop air completely or is it a fallible repair method?

Grady · 12-14-2021, 09:22 PM

If the patch is not leaking then keep spraying soapy water until you find the leak. Then ether fix yourself out have it fixed by the “Tire Chain”. Check the bead area and the service valve.

radroach · 12-15-2021, 01:26 AM

If the leak is slow enough, just keep adding air to it. I added air to a leaky tire every day for a couple years.

Tcoat · 12-15-2021, 06:58 AM

Check the bead. Often a tire that has gone flat will get a tiny bit of debris between tire and the rim (the proper use of the word rim!) and have a slow leak.

BigTuna · 12-15-2021, 08:26 AM

Check the wheel for cracks as well.

EndlessAzure · 12-16-2021, 08:02 PM

A professionally done inside patch is very strong and unlikely to leak.

Like others have said, it's probably coming from somewhere else. Check to see if you don't have another puncture somewhere, if it's leaking from the bead (check both the inside and outside bead), if it's leaking from the TPMS stem or schrader valve, or if the wheel is cracked. Soapy water is your friend.

humfrz · 12-17-2021, 01:21 AM

Quote:

Originally Posted by ghostzfh

I sprayed soapy water over the patch, and not a single visible bubble formed, but there's a very slow leak on the tire as my TPMS has constantly went off and putting air in it fixes the problem. Are tire patches supposed to stop air completely or is it a fallible repair method?

Properly patched tires don't usually leak where patched.

A sloooooow leak can be pain to find. Bubba suggests getting or borrowing a kiddie pool, fill it with water, submerge the tire and look for the bubbles.

If you don't see any bubbles, your TPMS system is jest ah messen wich ya.

zc06_kisstherain · 12-17-2021, 01:39 PM

just fill air every other week lol

dragoontwo · 12-17-2021, 01:43 PM

I'm voting for having them remount the tire, as it is likely leaking at the bead. Should be no charge as they just patched it.

RZNT4R · 12-17-2021, 09:20 PM

A tire patch isn't a force field around a tire that prevents it from ever losing air again.

Maybe you've got something else poking the tire
Maybe it's losing air at the bead
Maybe it's a 2016 in the mid-atlantic region and corrosion has made it's way around the valve stem

Spray soapy water everywhere. all the tread, beads, valve, inside lip of the wheel. Everywhere.

12-14-2021, 09:01 PM	#1
ghostzfh Member Join Date: May 2016 Drives: 2016 Scion FRS Halo Location: Mid-Atlantic Posts: 77 Thanks: 42 Thanked 25 Times in 20 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	What should I do about a tire has been patched by a tire chain shop, but is still lea I sprayed soapy water over the patch, and not a single visible bubble formed, but there's a very slow leak on the tire as my TPMS has constantly went off and putting air in it fixes the problem. Are tire patches supposed to stop air completely or is it a fallible repair method?

12-15-2021, 06:58 AM	#4
Tcoat Senior Member Join Date: Jul 2014 Drives: 2020 Hakone Location: London, Ont Posts: 69,845 Thanks: 61,656 Thanked 108,283 Times in 46,456 Posts Mentioned: 2495 Post(s) Tagged: 50 Thread(s)	Check the bead. Often a tire that has gone flat will get a tiny bit of debris between tire and the rim (the proper use of the word rim!) and have a slow leak. __________________ Racecar spelled backwards is Racecar, because Racecar.

12-15-2021, 08:26 AM	#5
BigTuna Senior Member Join Date: Jun 2015 Drives: 2013 WRB BRZ Location: Ohio Posts: 672 Thanks: 258 Thanked 477 Times in 275 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	Check the wheel for cracks as well. __________________ 2013 WRB "Build" Thread

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12-15-2021, 01:26 AM	#3
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)	If the leak is slow enough, just keep adding air to it. I added air to a leaky tire every day for a couple years.

12-17-2021, 01:43 PM	#9
dragoontwo Senior Member Join Date: May 2020 Drives: 22 BRZ limited Location: Clarksville TN Posts: 1,183 Thanks: 217 Thanked 990 Times in 521 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	I'm voting for having them remount the tire, as it is likely leaking at the bead. Should be no charge as they just patched it.

12-17-2021, 09:20 PM	#10
RZNT4R Professional Mechanic Join Date: Apr 2010 Drives: 2017 86 6MT Oceanic Location: Quebec, Canada Posts: 789 Thanks: 17 Thanked 633 Times in 371 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	A tire patch isn't a force field around a tire that prevents it from ever losing air again. Maybe you've got something else poking the tire Maybe it's losing air at the bead Maybe it's a 2016 in the mid-atlantic region and corrosion has made it's way around the valve stem Spray soapy water everywhere. all the tread, beads, valve, inside lip of the wheel. Everywhere.

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