Hi fitted new vredestien tyres almost two years ago and the tyres always seem to loose air pressure of about five psi per week. The car does 10,000miles a year
Saturday, January 19th, 2013 AT 3:58 PM
If you have cast aluminum wheels, suspect corrosion around the beads, especially next to any clip-on wheel weights. You can verify that by spraying watered-down dish soap around the area and watching for bubbles. Usually a good scrubbing with a stuff wire brush, (after the tire is removed from the wheel), will clean them up, then the tire installer can coat both beads with bead sealer. That's a tar-like coating that fill in the voids caused by corrosion that the air sneaks out through.