How far down is the pressure after a month? What low pressure setting sets
off the TPMS sensor?
Loss of air is natural through a rubber tire. Some tires may lose air more
You might find some places now selling a nitrogen fill for your tires. It's
basically a gimmick to sell you a dollar or two worth of gas fill for as
much as $30 per tire. They will try and upsell you on this nitrogen fill
with claims such as longer lasting tires due to less oxidation
(deterioration) of the tire and other outrageous claims. The only apparent
advantage is that nitrogen will not leak from your tires because nitrogen
molecules are larger than oxygen molecules so they will not escape as easy.
If the leakdown bothers you and you don't want to deal with it you may find
a reasonable price to fill with nitrogen. Of course if money is no object,
pay whatever someone wants to charge you and any extra money you have you
can send to me.
Larry in AZ ( snipped-for-privacy@DE.LETE.THISljvideo.com) writes:
Knowing where the leak is occuring is the first step in fixing it. Take each
wheel off in turn and spray it with a soap and water solution. Small bubbles
will appear whereever the leak is.
For all four to leak on such a new vehicle is unusual. Makes me think
valves. Perhaps the wrong stem got installed in the valves.
I have repaired many aluminum wheels for slow leaks. The leak is always
caused by salt corrosion in the bead area, and usually in conjunction with
a wheel that has had several tire changes (such as twice annual winter /
all season switch). This is because tire change machines have a natsy habit
of removing the finish on the wheel at the very edge of the flange. This
creates the ideal situation for salt solution to attack the wheel.
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