2008 Lexus ES 350FACTORY OEM SERVICE PROCEDURE

Automatic Transaxle Unit: Inspection

  1. INSPECT TRANSMISSION OIL CLEANER MAGNET 
    1. Use the removed magnets to collect any steel chips. Examine the chips and particles in the pan and on the magnets to determine what type of wear has occurred in the transaxle:

      Result: 

      Steel (magnetic): 

      Bearing, gear and plate wear 

      Brass (non-magnetic): 

      Bearing wear 

      Fig 1: Examing Chips And Particles
      G05836418Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT INPUT SHAFT SUB-ASSEMBLY 
    1. Using a dial indicator, measure the input shaft end play.

      End play: 0.012 to 1.250 mm (0.0005 to 0.0492 in.) 

      Fig 2: Measuring Input Shaft End Play
      G05836419Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT NO. 2 CLUTCH DISC 
    1. Check if the sliding surfaces of the discs, plates, and flange are worn or burnt. If necessary, replace them.
      NOTE: If the linings of the discs are peeled off or discolored, or even if a part of the groove is damaged, replace all discs.
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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