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Blog · Spare Care
Why Your Spare Is Always Flat (and How to Stop It)
You pull over to change a flat, only to find the spare is also flat. It happens more often than you think — and it is preventable with a simple monthly routine.
Tires lose roughly 1 PSI per month — even when nothing is wrong. A spare that has been sitting in your trunk for six months is likely 15–20 PSI low. On the side of I-95 at 10 PM, that is the difference between a 10-minute swap and a 2-hour wait.
Heat and humidity accelerate the problem. South Florida's climate means rubber degrades faster and air expands and contracts more dramatically. A spare that was at 32 PSI in the morning can read 28 PSI by evening after a hot drive.
