Transmission Valve Body ASSY: Replacement

REMOVE ENGINE UNDER COVER NO. 2
DRAIN AUTOMATIC TRANSAXLE FLUID
1. Remove the drain plug and gasket, and drain ATF.
2. Install a new gasket and drain plug.
  1. Torque: 49 N.m (500 kgf.cm, 36 ft.lbf)
REMOVE AUTOMATIC TRANSAXLE OIL PAN SUB-ASSY
1. Remove the 18 bolts, oil pan and gasket.
  NOTE: Some fluid will remain in the oil pan. Remove all pan bolts, and carefully remove the oil pan assembly.
  
  Fig 1: Removing Oil Pan And Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 3 magnets from the oil pan.
  
  Fig 2: Removing Magnets From Oil Pan
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Examine particles in pan.
  1. Remove the magnets and use them to collect any steel chips. Look carefully at the chips and particles in the pan and the magnet to anticipate the type of wear you will find in the transaxle.
    Steel (magnetic): bearing, gear and plate wear Brass (non-magnetic): bearing wear
    
    Fig 3: Examining Oil Pan Particles
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DISCONNECT TRANSMISSION WIRE
1. Disconnect the 7 shift solenoid valve connectors.
2. Remove the bolt and lock plate, and disconnect the ATF temperature sensor.
  
  Fig 4: Disconnecting Transmission Wire
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE VALVE BODY OIL STRAINER ASSY
1. Remove the 3 bolts and oil strainer.
  NOTE: Be careful that some fluid will come out of the oil strainer.
  
  Fig 5: Removing Oil Strainer
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the O-ring from the oil strainer.
  
  Fig 6: Removing O-Ring From Oil Strainer
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE TRANSMISSION VALVE BODY ASSY
1. Support the valve body assy and remove the 17 bolts and the valve body assy.
  NOTE: Be careful not to drop the check valve body, spring and accumulator piston.
  
  Fig 7: Removing Valve Body Assy
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the check ball body and spring.
  
  Fig 8: Removing Check Ball Body And Spring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Remove the 6 bolts and 7 shift solenoid valves.
  
  Fig 9: Removing Shift Solenoid Valves
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL TRANSMISSION VALVE BODY ASSY
1. Install the spring and check ball body.
  
  Fig 10: Installing Spring And Check Ball Body
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the 7 shift solenoid valves with the 6 bolts.
  1. Torque:
  2. Bolt A, B, C: 10.8 N.m (110 kgf.cm, 8 ft.lbf)
  3. Bolt D: 6.6 N.m (67 kgf.cm, 58 in..lbf)
  4. Bolt length:
  5. Bolt A: 16 mm (0.63 in.)
  6. Bolt B, C: 57 mm (2.2 in.)
  7. Bolt D: 12 mm (0.47 in.)
  Fig 11: Installing Shift Solenoid Valves
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Align the groove of the manual valve with the pin of lever.
4. Install the 17 bolts.
  1. Torque: 10.8 N.m (110 kgf.cm, 8 ft.lbf)
  NOTE:
  - Push the valve body against the accumulator piston spring and the check ball body to install it.
  - Tighten those bolts marked by * in the illustration first temporarily because they are positioning bolts.
    
    Fig 12: Installing Transmission Valve Body Bolts
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    Bolt length:
    
    Bolt A: 25 mm (0.984 in.)
    
    Bolt B: 57 mm (2.244 in.)
    
    Bolt C: 41 mm (1.614 in.)
INSTALL VALVE BODY OIL STRAINER ASSY
1. Coat a new O-ring with ATF.
2. Install the O-ring to the oil strainer.
  
  Fig 13: Installing O-Ring To Oil Strainer
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install the oil strainer with the 3 bolts.
  1. Torque: 10.8 N.m (110 kgf.cm, 8 ft.lbf)
  Fig 14: Installing Oil Strainer
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT TRANSMISSION WIRE
1. Coat a O-ring with ATF.
2. Install the ATF temperature sensor with the lock plate and bolt.
  1. Torque: 6.6 N.m (67 kgf.cm, 58 in..lbf)
3. Connect the 7 shift solenoid valve connectors.
  
  Fig 15: Connecting Transmission Wire
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL AUTOMATIC TRANSAXLE OIL PAN SUB-ASSY
1. Install the 3 magnets in the oil pan.
2. Apply seal packing or equivalent to 18 bolts.
  Seal packing:
  
  THREE BOND 2430 or equivalent
  
  Fig 16: Installing Magnets In Oil Pan
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install a new gasket, oil pan and 18 bolts to the transaxle case.
  1. Torque: 7.8 N.m (80 kgf.cm, 69 in..lbf)
  NOTE: Because the bolts should be seal bolts, apply seal packing to bolts and tighten them within 10 minutes after application.
  
  Fig 17: Installing Oil Pan And Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ADD AUTOMATIC TRANSAXLE FLUID
INSPECT AUTOMATIC TRANSAXLE FLUID (See ON-VEHICLE INSPECTION )
INSTALL ENGINE UNDER COVER NO. 2