How to Fix an Automotive Window Seal Leak

A seal leak about the windows of your automobile can be disappointing. But, it happens to many vehicles, especially with age. The urethane sealant wears down and cracks, causing a leak at the glass edge. First, you need to locate the leak. Then, you can fix it by resealing the leak using fresh urethane sealer.

Instructions

    1

    Run water over the window to locate the area on the window that is leaking.

    2

    Pry up the window seal with a trim removal tool. Wedge the tool underneath the trim and pry it up.

    3

    Clean the glass edge with soap and water with a sponge and dry it with a clean, lint-free towel.

    4

    Apply a bead of urethane sealant to the glass edge and press the window trim down against the urethane sealant.

    5

    Let the urethane cure for 24 hours.