ATF leakage (AWR6B45)

1. ATF leakage diagnostics

1. Breather portion

1) ATF

  • Intrusion of water or ATF other than that specified
  • Burning ATF

2) Transmission assembly

  • Defective O-ring
  • Transmission assembly internal malfunction

2. Mounting surface of the engine and the transmission housing

1) Engine

  • Excessive flexible plate runout

2) Transmission assembly

  • Defective oil seal
  • Torque converter malfunction

3. Transmission housing and transmission case installation surface

1) Transmission assembly

  • Defective filler plug, gasket

4. Mounting surface of the transmission case and the adapter

1) Chassis

  • Damage, wear, looseness, or excessive runout of the propeller shaft and drive shaft

2) Transmission assembly

  • Defective filler plug, gasket

5. Oil pump seal

1) Transmission assembly

  • Defective oil seal

6. Extension or adapter oil seal

1) Transmission assembly

  • Defective oil seal

7. Manual shaft oil seal

1) Transmission assembly

  • Defective oil seal
  • Transmission assembly internal malfunction

8. Oil cooler pipe

1) ATF cooling system

  • Bent or clogged cooler pipe
  • Improper installation, breakage of the cooler pipe

2) Transmission assembly

  • Defective O-ring

9. Transmission harness and elbow

1) Transmission assembly

  • Defective O-ring

10. Mounting surface of the transmission case and the oil pan

1) Transmission assembly

  • Defective filler plug, gasket
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