A few weeks ago, I found myself with a flat tire in the RX8. The air had been leaking out slowly over a few days, so I assumed that I had a nail in it, as usual.
Step 1) Remove the wheel from the vehicle, and spray soapy water all over the tread area of the tire. Watch for bubbles.
Strangely – I didn’t find an air leak. So I moved on to step 2, which I had almost forgot existed, because I always find a nail in my tire during step 1.
Step 2) Spray the tire valve stem, and the bead of the tire where it meets the wheel with the soapy water. Watch for bubbles. (more…)