Oem tire losing psi over time. Anyone else experience this?

[Andrew4Supra]

My car still has the oem tires at 6,500 miles and never demounted or rebalanced.

One of my rear tires loses about 10 psi in about a month. The tire has no visible punctures or issues and I’m only experiencing it with this single tire.

The other three are as normal.

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[Davidr3]

I'd remove it and spray soapy water everywhere on it. There's an air leak somewhere.

 

[RenRed2]

My car still has the oem tires at 6,500 miles and never demounted or rebalanced.

One of my rear tires loses about 10 psi in about a month. The tire has no visible punctures or issues and I’m only experiencing it with this single tire.

The other three areas normal.

Time for a good tire examination after dismount at a shop/dealer.

 

[hotsaucewizard]

You have a leak plain and simple take it to a shop.

Air doesn't always need a visible release when it's being contained by rubber underneath thousands of pounds of metal.

 

[XtremeMaC]

Could also be valve, stem, etc...

Doubtful at 6500 but could be wheel as well. Ever hit a curb?

 

[Andrew4Supra]

Thank you all for your input thus far….

I assured the stem valve core inset was tight, sprayed soapy water around the tire bead/rim when I had the rim off with no bubbling.

I’m super anal with the car so no curb bump of the rim or tire in anyway.

I guess I’ll have to pull the rim and take it to my tire guy for a dunk in the water tank.

I don’t trust many techs to pull my wheels without use of pneumatic tools and/or a socket with a protective sleeve.

Hopefully the tire bead just needs reset with the tire compound slip lube to eliminate the loss of air pressure. ?

 

[XtremeMaC]

It may also be the tpms. Are you checking with pressure gauge as well?

 

[Andrew4Supra]

It may also be the tpms. Are you checking with pressure gauge as well?

~ Indeed and with a quality gauge… unfortunately air loss is taking place. Ugh.

 

[AutoDelight]

I got the same issue on my passenger side rear tire. It's a very small air leak for me, looses about 5-10 psi as well every month. Will eventually take it in but will most likely have new wheels/tires in before i get the tire patched.

 

[Msoupe]

If no visible tread punctures, check valve stem/valve core. If all that check's out, check for leaks around the tire bead.

 

[Diablo]

My car still has the oem tires at 6,500 miles and never demounted or rebalanced.

One of my rear tires loses about 10 psi in about a month. The tire has no visible punctures or issues and I’m only experiencing it with this single tire.

The other three are as normal.

Same issue, same tires, similar miles. Rear driver side for me. I can’t find any leaks either.

 

[Loco38SUP]

~ Indeed and with a quality gauge… unfortunately air loss is taking place. Ugh.

The Michelin PSS tires are so soft that they hide puncture marks. I had the same problem and didn’t figure it out until I had the tire dismounted for wheel powder coating.

I ran over a wood screw and snapped the head off below the tread line. This was visible on the inside of the tire. The outside had no signs of damage.

-RJM

 

[METAL]

Same. Passenger front tire. Very slow leak but goes to 28 psi at times before I notice it.

 

[Heavy Foot]

I had a screw in mine. It would take a few days for the low tire pressure light to come on.

 

[METAL]

I had a screw in mine. It would take a few days for the low tire pressure light to come on.

I'd rather have that.

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