How to fix tyre rim leaks

Written by krista martin
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How to fix tyre rim leaks
Look for evidence of a tyre leak or rim leak. (Getty Creative)

Leaks in a tyre rim most likely result from the type of alloy material used on most cars. Previously, steel rims leaked air through the rim and the tyre. Alloy rims cause a leak through porous holes found in cast-aluminium alloy. The holes can be repaired, but you may wind up replacing the rims or tyres if the leak persists.

Skill level:

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  1. 1

    Inflate the tyre with the rim leak up to 2.75 BAR (39 PSI).

  2. 2

    Remove the rim and place it in a large bucket of water. Note areas in which bubbles form. This indicates the origin of the leak.

  3. 3

    Mark the areas with a grease pencil and take the rim out of the water.

  4. 4

    Demount the tyre from the rim.

  5. 5

    Sand the area with 80-grit sandpaper and brush off any debris or remnants.

  6. 6

    Dab the area lightly with a towel and clean the leak area with carburettor cleaner or white spirit.

  7. 7

    Cover the area thoroughly with a silicone gasket sealant, which should close the leak.

  8. 8

    Let the rim dry for a few hours before remounting it on the tyre.

Tips and warnings

  • Refrain from using silicone tub caulking -- it may cause the metal wheel to become corroded.

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