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It looks like the wheels are polished aluminum. I spayed soupy water around the outside bead and the valve stem and core and nothing was making bubbles. It's losing about 2 psi each day. The leak may be too slow to bubble up. Not sure what to do next but take it somewhere and have them find it.
It seems this is a common problem now and very frustrating. Since there is no spare tire it sits in the garage until I can drive it to a local tire shop.
You should see the bubbling with that rate of pressure lost.
As posted before, the rims could be leaking from porosity in the casting or a crack; can't rule that out either.
Did you inflate to maximum tire rating?
Just a suggestion but look back at John Harry's post and make sure the stem is properly in there, the cap isn't putting pressure on the stem to cause a leak, AND that the nut is neither loose or more likely, over-tightened. This really is the first car I've had that has an issue with over-tightening the nut that holds the whole thing to the wheel. It was also the first car that I had to be careful what caps to use. (I now have an suv with TPMS that can and did have the wrong caps and had to change it out)
Checked the tire pressure last week when I bought my car and one rear tire was down to 10psi and the others were down to the low 20s psi. I checked them today and the low rear tire is down to 13psi and the others were down to the low 20s again. They all can't be leaking can they?
The tires on the back are 305/30/19 Bridgestone Potenza RE-11. Is that too big for the stock rim? Should I just go to 285? I don't plan to track the car.
Anyone recommend a good tire for daily driving and commuting?
Get an 11mm wrench. Tighten the valve stems GENTLY. The "two finger" test works. Use two fingers to try the wrench. When it starts to get tough to turn, STOP. The valve stem will sometimes loosen from the TPMS sensor, creating a slow leak.
Get an 11mm wrench. Tighten the valve stems GENTLY. The "two finger" test works. Use two fingers to try the wrench. When it starts to get tough to turn, STOP. The valve stem will sometimes loosen from the TPMS sensor, creating a slow leak.
Wow! great call! I checked using the 11mm wrench and sure enough they were all lose. The worst one was the left rear that I've had the most problems with. Since it was cold in my garage I only used one finger to tighten them. Crossing my fingers this was the problem and it's now fixed
Update: Took the car to the tire shop where they found a screw in the tread causing the slow leak. They patched it for free and I'm a very happy camper.
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15-'16,'19
Originally Posted by Maverick1125
Update: Took the car to the tire shop where they found a screw in the tread causing the slow leak. They patched it for free and I'm a very happy camper.