For 1990-2009 cars

If the cause of the leak is found to be case porosity, use the following repair procedure:

1. Drive the vehicle for 24 km (15 miles) or until normal operating temperatures are reached.
2. Turn the ignition switch to the OFF position.
3. Clean the leak area with solvent and air dry.

Caution: Epoxy adhesive may cause skin irritations and eye damage. Read and follow all information on the container label as provided by the manufacturer.

4. Mix a sufficient amount of epoxy cement GM P/N 1052533, or equivalent, following the manufacturer's recommendations.
5. While the transmission case is hot, apply epoxy cement with a clean, dry soldering acid brush.
6. Allow the epoxy to cure for three hours before starting the engine.
7. Repeat the fluid leak diagnosis procedure to verify the repair.