Repairing the Fluid Leak

Once the leak point is found the source of the leak must be determined. The following list describes the potential causes for the leak:

• Fasteners are not torqued to specification.
• Fastener threads and fastener holes are dirty or corroded.
• Gaskets, seals or sleeves are misarranged, damaged or worn.
• Damaged, warped or scratched seal bore or gasket surface.
• Loose or worn bearing causing excess seal or sleeve wears.
• Case or component porosity.
• Fluid level is too high.
• Plugged vent or damaged vent tube.
• Water or coolant in fluid.
• Fluid drain back holes plugged.