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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Tires And Wheels) >> Repair Instructions >> Aluminum Wheel Porosity Repair

Aluminum Wheel Porosity Repair

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  3. Inflate the tire to the manufacturer specified pressure as stated on the tire.
  4. Submerge the tire/wheel into a water bath in order to locate the leak.
  5. Inscribe a mark on the wheel in order to indicate the leak areas.
  6. Inscribe a mark on the tire at the valve stem in order to indicate the orientation of the tire to the wheel.
  7. Remove the tire from the wheel. Refer to Tire Dismounting and Mounting .
  8. Use number 80 grit sandpaper to scuff the inside of the rim surface at the leak area.
    IMPORTANT: Do not damage the exterior surface of the wheel.
  9. Use general purpose cleaner such as 3M®, P/N 08984 or equivalent, to clean the leak area.
  10. Apply 3 mm (0.12 in) thick layer of adhesive/sealant, GM P/N 1052366 or equivalent, to the leak area.
  11. Allow for the adhesive/sealant to dry.
  12. Align the inscribed mark on the tire with the valve stem on the wheel.
  13. Install the tire to the wheel. Refer to Tire Dismounting and Mounting .
  14. Inflate the tire to the manufacturer specified pressure as stated on the tire.
  15. Submerge the tire/wheel into a water bath in order ensure the leak is sealed.
  16. Balance the tire and wheel. Refer to Tire and Wheel Assembly Balancing - Off Vehicle .
  17. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  18. Lower the vehicle.
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