2008 Lexus IS FFACTORY OEM SERVICE PROCEDURE

Valve Body Assembly: Reassembly

  1. INSTALL OIL PRESSURE SWITCH 
    1. Install the oil pressure switch.

      Torque: 4.5 N*m (46 kgf*cm, 40 in.*lbf) 

      Fig 1: Identifying Oil Pressure Switch
      G04948491Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL SHIFT SOLENOID VALVE SR 
    1. Install the solenoid valve with the bolt.

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

      Fig 2: Identifying Shift Solenoid Valve SR And Bolt
      G04948490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL SHIFT SOLENOID VALVE SLT 
    1. Install the solenoid valve.
    2. Install the straight pin.
      Fig 3: Identifying Straight Pin And Solenoid Valve (Shift Solenoid Valve SLT)
      G04948489Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL SHIFT SOLENOID VALVE SLU 
    1. Install the solenoid valve.
    2. Install the straight pin.
      Fig 4: Identifying Straight Pin And Solenoid Valve (Shift Solenoid Valve SLU)
      G04948488Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL SHIFT SOLENOID VALVE SL1 
    1. Install the solenoid valve
    2. Install the straight pin.
      Fig 5: Identifying Straight Pin And Solenoid Valve (Shift Solenoid Valve SL1)
      G04948487Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL SHIFT SOLENOID VALVE SL5 
    1. Install the solenoid valve.
    2. Install the straight pin.
      Fig 6: Identifying Straight Pin And Solenoid Valve (Shift Solenoid Valve SL5)
      G04948486Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL SHIFT SOLENOID VALVE SL4 
    1. Install the solenoid valve.
    2. Install the straight pin.
      Fig 7: Identifying Straight Pin And Solenoid Valve (Shift Solenoid Valve SL4)
      G04948485Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSTALL SHIFT SOLENOID VALVE SL3 
    1. Install the solenoid valve.
    2. Install the straight pin.
      Fig 8: Identifying Straight Pin And Solenoid Valve (Shift Solenoid Valve SL3)
      G04948484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSTALL SOLENOID LOCK PLATE 
    1. Install the plate with the 2 bolts.

      Torque: 6.4 N*m (65 kgf*cm, 57 in.*lbf) 

      Fig 9: Identifying Bolts And Plate
      G04948483Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSTALL SHIFT SOLENOID VALVE SL 
    1. Install the solenoid valve with the bolt.

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

      Fig 10: Identifying Solenoid Valve And Bolt
      G04948482Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. INSTALL SHIFT SOLENOID VALVE SL2 
    1. Install the solenoid valve.
    2. Install the straight pin and solenoid lock plate with the bolt.

      Torque: 6.4 N*m (65 kgf*cm, 57 in.*lbf) 

      Fig 11: Identifying Solenoid Lock Plate And Straight Pin With Bolt
      G04948481Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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