Anyone else having tire pressure issues? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

beatgenie · 04-20-2015, 07:16 PM

I had the FR-S for about 7 months now and the pressure on the tires go down (to the point that the dash light comes on) like once per month. I never experienced this issue with any of my past cars. Is this just a normal thing with the FR-S?

JB86'd · 04-20-2015, 07:58 PM

What tire pressures are you running usually? And what are they when the light comes on?

beatgenie · 04-20-2015, 08:22 PM

Quote:

Originally Posted by JB86'd

What tire pressures are you running usually? And what are they when the light comes on?

I usually fill it up to the suggested level listed on the sticker in the door panel...I think it's 35? Not sure I'm not around my car at the moment. And the light usually comes on when they get to 25 or so.

Vampyre · 04-20-2015, 08:53 PM

My light comes on at 29psi, but I've only had it come on once. I have only added air that one time over the 11 months I have had the car. I use a digital pressure gauge. Those slidey ones can be inaccurate.

jimmillion · 04-20-2015, 08:55 PM

Sounds like you have a slow leak. A good way of checking is lather your wheel with soapy water. If you see bubbles forming then there's your leak. Make sure to play around with the valve stem since it could be a crack there that wouldn't leak unless bent.

Chanpion · 04-20-2015, 11:06 PM

Rim leak, tire leak or valve stem leak.
Some old alloys on an older vehicle of mine had a corroded rim from all the winter drives and salt. Ask them to give your rim a clean. That's why I run a set of inexpensive rims during the salty months.
Few possibilities, bring it to your nearest tire shop.

Ultramaroon · 04-20-2015, 11:42 PM

Quote:

Originally Posted by beatgenie

I usually fill it up to the suggested level listed on the sticker in the door panel...I think it's 35? Not sure I'm not around my car at the moment. And the light usually comes on when they get to 25 or so.

I've been nursing a very slow leak in one of my tires. Close enough to end of tire life and it's a teeny nail. Only leaks when wheel sits overnight in the exact right position. Sometimes it goes a couple weeks before tpms triggers. 29 psi every time.

I think I picked it up around January. Meh.

N1rve · 04-22-2015, 02:39 AM

Quote:

Originally Posted by Ultramaroon

I've been nursing a very slow leak in one of my tires. Close enough to end of tire life and it's a teeny nail. Only leaks when wheel sits overnight in the exact right position. Sometimes it goes a couple weeks before tpms triggers. 29 psi every time.

I think I picked it up around January. Meh.

No idea where the cove is but if you have an americas tire near, they can fix it for free if it's in a repairable zone.

Ultramaroon · 04-22-2015, 12:55 PM

Quote:

Originally Posted by N1rve

No idea where the cove is but if you have an americas tire near, they can fix it for free if it's in a repairable zone.

I'm just lazy about it.

Casey10s · 04-22-2015, 01:37 PM

In general, one will lose a pound (sometimes two) of air over a month. This is normal. I can't point to it but you may find it on a AAA site or some other site that covers things like that.

04-20-2015, 07:16 PM	#1
beatgenie Member Join Date: Oct 2014 Drives: 2015 Scion FR-S Location: Orlando, FL Posts: 85 Thanks: 47 Thanked 48 Times in 30 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Anyone else having tire pressure issues? I had the FR-S for about 7 months now and the pressure on the tires go down (to the point that the dash light comes on) like once per month. I never experienced this issue with any of my past cars. Is this just a normal thing with the FR-S?

04-20-2015, 07:58 PM	#2
JB86'd Senior Member Join Date: Oct 2013 Drives: JAWS Location: socal Posts: 703 Thanks: 753 Thanked 437 Times in 224 Posts Mentioned: 27 Post(s) Tagged: 1 Thread(s)	What tire pressures are you running usually? And what are they when the light comes on? __________________

04-20-2015, 08:55 PM	#5
jimmillion Power Ranger Elite Join Date: Nov 2011 Drives: '13 WRB Sport-tech Location: Mississauga, Sq1 Posts: 726 Thanks: 482 Thanked 310 Times in 180 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Sounds like you have a slow leak. A good way of checking is lather your wheel with soapy water. If you see bubbles forming then there's your leak. Make sure to play around with the valve stem since it could be a crack there that wouldn't leak unless bent. __________________ .

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04-20-2015, 08:53 PM	#4
Vampyre Senior Member Join Date: May 2014 Drives: 2014 FR-S Asphalt Location: Orlando, FL Posts: 116 Thanks: 0 Thanked 50 Times in 31 Posts Mentioned: 0 Post(s) Tagged: 2 Thread(s)	My light comes on at 29psi, but I've only had it come on once. I have only added air that one time over the 11 months I have had the car. I use a digital pressure gauge. Those slidey ones can be inaccurate.

04-20-2015, 11:06 PM	#6
Chanpion Senior Member Join Date: Sep 2014 Drives: 13 FRS Satin Location: Alberta Posts: 162 Thanks: 25 Thanked 60 Times in 41 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Rim leak, tire leak or valve stem leak. Some old alloys on an older vehicle of mine had a corroded rim from all the winter drives and salt. Ask them to give your rim a clean. That's why I run a set of inexpensive rims during the salty months. Few possibilities, bring it to your nearest tire shop.

04-22-2015, 01:37 PM	#10
Casey10s Member Join Date: Jan 2014 Drives: 2013 white limited BRZ Location: Pittsburgh, PA Posts: 88 Thanks: 11 Thanked 26 Times in 20 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	In general, one will lose a pound (sometimes two) of air over a month. This is normal. I can't point to it but you may find it on a AAA site or some other site that covers things like that.

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