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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 4L60-E/4L65-E (Service & Replacement) >> Diagnostic Information and Procedures >> Fluid Leak Diagnosis >> Find the Cause of the Leak >> Notes

Find the Cause of the Leak: Notes

Pinpoint the leak and trace the leak back to the source. You must determine the cause of the leak in order to repair the leak properly. For example, if you replace a gasket, but the sealing flange is bent, the new gasket will not repair the leak. You must also repair the bent flange. Before you attempt to repair a leak, check for the following conditions, and make repairs as necessary: