TIRE PRESSURE LOSS.
10-15-2017, 02:02 PM
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1998 s500
TIRE PRESSURE LOSS.
I HAVE A 2010 S550 WITH 19" WHEELS. THE TIRES LOSE 8-10 PSI IN THE FRONT AND 6-8 PSI IN THE REAR AFTER SITTING FOR 2 WEEKS OR SO. CAR HAS 23000 MILES AND 3 OF THE TIRES ARE ORIGINAL. THE 4TH TIRE WAS NEW 6 MONTHS AGO BUT ALSO LEAKS DOWN THE SAME AMOUNT.
WHAT COULD BE THE CAUSE OF THIS?
WHAT COULD BE THE CAUSE OF THIS?
10-15-2017, 09:51 PM
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10-16-2017, 11:00 AM
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1998 s500
Since the loss occurs with both new and old tires, it seems unlikely that the tires are the culprit. Could be the valve stems or bring but unlikely to effect all 4 wheels. The car is essentially perfect, always kept inside and used only occasionally for road trips. No damage evident on wheels. Could it be a problem inherent with the 19" optional wheels? I wonder if anyone else has seen this with the 19" wheels.
