GM Service Manual Online
For 1990-2009 cars only

Perform the following steps in order to correctly repair a leak:

  1. Identify the leak.
  2. Trace the leak to the leak's source.
  3. Determine the cause of the leak.

For example, if the mating surface of a case component is damaged, you will not repair the leak by resealing the case component. The mating surface that is damaged must be repaired or replaced. Before you repair a transaxle oil leak, correct any conditions that may cause the leak. The following conditions may cause a transaxle oil leak:

Important: The Suzuki 5-speed manual transaxle does not use gaskets in order to seal major case components. Use GM P/N 12346240 or the equivalent as necessary.

    â€¢ An excessive fluid level
    â€¢ A plugged breather hole
    â€¢ Incorrectly torqued fasteners
    â€¢ Dirty fastener threads or damaged fastener threads
    â€¢ Warped flanges
    â€¢ Any mating surfaces that exhibit the following conditions:
       - Warping
       - Scratches
       - Burrs
       - Other damage
    â€¢ Insufficient amounts or excessive amounts of sealer
    â€¢ The component is cracked or porous
    â€¢ Incorrect sealant use
    â€¢ A damaged seal bore
    â€¢ A damaged seal or a worn seal
    â€¢ Drive axle surfaces that exhibit the following conditions:
       - Scratches
       - Nicks
       - Other damage
    â€¢ Excessive seal wear caused by a loose bearing or caused by a worn bearing