GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1999 🢒 S/T Isuzu - 4WD 🢒 Suspension 🢒 Tires and Wheels 🢒 Aluminum Wheel Porosity Repair
  1. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  2. Inflate the tire to 275 kPa (40 psi).
  3. Submerge the tire/wheel into a water bath in order to locate the leak.
  4. Make a mark on the wheel in order to record the leak areas.
  5. Make a mark on the tire at the valve stem in order to record the orientation of the tire to the wheel.
  6. Remove the tire from the wheel. Refer to Tire Mounting and Dismounting .
  7. Use number 80 grit sandpaper to scuff the inside of the rim surface at the leak area.
  8. Use general purpose cleaner to clean the leak area.
  9. Apply 3 mm (0.12 in) thick layer of adhesive/sealant to the leak area.
  10. Allow 1 hour for the adhesive/sealant to dry.
  11. Install the tire to the wheel. Refer to Tire Mounting and Dismounting .
  12. Align the mark on the tire with the tire valve stem.
  13. Inflate the tire to 275 kPa (40 psi).
  14. Inspect the tire/wheel for leaks.
  15. Adjust the tire pressure to meet the specifications on the tire placard.
  16. Balance the tire and wheel. Refer to Tire and Wheel Balancing in Vibration Diagnosis.
  17. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .