2008 Lexus IS FFACTORY OEM SERVICE PROCEDURE

Speed Sensor: Removal

  1. REMOVE NO. 2 ENGINE UNDER COVER 
  2. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY  (See REMOVAL  )
  3. DRAIN AUTOMATIC TRANSMISSION FLUID  (See REMOVAL  )
  4. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY  (See REMOVAL  )
  5. REMOVE VALVE BODY OIL STRAINER ASSEMBLY  (See REMOVAL  )
  6. REMOVE TRANSMISSION VALVE BODY ASSEMBLY  (See DISASSEMBLY  )
  7. REMOVE SPEED SENSOR NT 
    1. Disconnect the sensor connector.
    2. Using a T30 "TORX" wrench, remove the bolt and speed sensor from the oil pump.
    3. Remove the O-ring from the speed sensor
      Fig 1: Locating Speed Sensor NT
      G04948414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE SPEED SENSOR NC3 
    1. Disconnect the sensor connector.
    2. Remove the bolt and speed sensor from the transmission case
      Fig 2: Locating Speed Sensor NC3 With Bolt
      G04948415Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE SPEED SENSOR SP2 
    1. Disconnect the sensor connector.
    2. Remove the bolt and speed sensor from the transmission case.
      Fig 3: Locating Speed Sensor SP2 With Bolt
      G04948416Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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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