Aluminum Wheel Porosity Repair

1. 1
   Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation.
2. 2
   Inflate the tire to the manufactures specified pressure as stated on the tire.
3. 3
   Submerge the tire/wheel into a water bath in order to locate the leak.
4. 4
   Inscribe a mark on the wheel in order to indicate the leak areas.
5. 5
   Inscribe a mark on the tire at the valve stem in order to indicate the orientation of the tire to the wheel.
6. 6
   Remove the tire from the wheel. Refer to Tire Dismounting and Mounting.

Note: Do not damage the exterior surface of the wheel.

1. 1
   Use number 80 grit sandpaper to scuff the inside of the rim surface at the leak area.
2. 2
   Use general purpose cleaner to clean the leak area.
3. 3
   Apply 3 mm (0.12 in) thick layer of adhesive/sealant to the leak area. Refer to Adhesives, Fluids, Lubricants, and Sealers.
4. 4
   Allow for the adhesive/sealant to dry.
5. 5
   Align the inscribed mark on the tire with the valve stem on the wheel.
6. 6
   Install the tire to the wheel. Refer to Tire Dismounting and Mounting.
7. 7
   Pressurize the tire to 276 kPa (40 psi).
8. 8
   Submerge the tire/wheel into a water bath in order ensure the leak is sealed.
9. 9
   Inflate the tire to the specified pressure as stated on the tire placard.
10. 10
    Balance the tire and wheel. Refer to Tire and Wheel Assembly Balancing - Off Vehicle.
11. 11
    Install the tire and wheel. Refer to Tire and Wheel Removal and Installation.