Alloy Wheel Porosity

Alloy Wheel Porosity
Wheel repairs that use welding, heating or peening are not approved.
1. Raise and suitably support the vehicle.
2. Remove the wheel.
3. Locate leaking areas by inflating the tire to 345 kPa (50 psi) and dipping the tire and wheel assembly into a water bath.
4. Mark the leak areas and remove the tire from the wheel.
5. Scuff the inside wheel surface at the leak area with 80-grit sandpaper. Clean the leak area with a general-purpose cleaner.
6. Apply a 3.3 mm (0.13 inch) thick layer of adhesive/sealant to the leak area. Allow it to dry for 12 hours.
7. Install the tire on the wheel. Inflate the tire to 345 kPa (50 psi) and check for leaks as in step 3.
8. Adjust the tire pressure to meet specifications.
9. Balance the wheel.
10. Install the wheel.
11. Lower the vehicle.