2002 Toyota PriusFACTORY OEM SERVICE PROCEDURE

Differential Case: Reassembly

  1. Assemble differential caseΒ  :
    1. Coat the 2 side gear thrust washers and 2 pinion thrust washers with ATF.
    2. Install the 2 side gears, 2 pinions and 4 thrust washers to the case. See Figure.
    3. Check the side gear backlash.

      Measure the side gear backlash while pushing one pinion gear toward the case.

      Standard backlash:Β 

      0.05 - 0.20 mm (0.0020 - 0.0079 in.)Β 

      Referring to Β Fig 2Β , select thrust washers which backlash is surely within the specified range. Select washers of the same size for both sides.Β 

      Fig 1: Determining Side Gear Backlash
      G01066099Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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

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