DISASSEMBLY PROCEDURE 1. FIX OIL PUMP ASSEMBLY  (a) Place the oil pump body on the torque converter clutch. 2. REMOVE CLUTCH DRUM OIL SEAL RING  (a) Remove the 3 oil seal rings. 3. REMOVE STATOR SHAFT ASSEMBLY
4. REMOVE FRONT OIL PUMP BODY O-RING  (a) Remove the O-ring from the oil pump body. (b) Remove the oil pump body from the torque converter clutch. 5. INSPECT FRONT OIL PUMP BODY SUB-ASSEMBLY 6. INSPECT STATOR SHAFT ASSEMBLY 7. INSPECT CLEARANCE OF OIL PUMP ASSEMBLY 8. REMOVE FRONT OIL PUMP DRIVE GEAR  9. REMOVE FRONT OIL PUMP DRIVEN GEAR  10. REMOVE FRONT OIL PUMP OIL SEAL  (a) Using a screwdriver, pry out the oil seal. NOTICE: Be careful not to damage the bushing and oil pump body. |
Toyota Tundra Service Manual > Touch Select 2-4 And High-low System: System Description
SYSTEM DESCRIPTION 1. DESCRIPTION A part-time 2-speed WF1AM transfer uses a touch select 2-4 and high-low system, enabling the driver to switch between 2WD, 4H and 4L modes by turning the transfer position switch. Through these switch signals, the 4 wheel drive control ECU actuates the shift motor i ...
