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Disassembly (LS 430)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Lexus SC 430, 2002 Lexus RX 300, 2002 Lexus LX 470, 2002 Lexus LS 430, and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove master cylinder. See MASTER CYLINDER  under REMOVAL & INSTALLATION.
  2. Remove cap and strainer. Remove set screw and pull out reservoir.
  3. Push in piston by hand and remove straight pin by turning over cylinder body.
  4. Place master cylinder in vise.
  5. Push in No. 1 piston by hand and remove snap ring with snap ring pliers. Remove No. 1 piston and spring by hand, pulling straight out, not at an angle.
  6. Place a rag and 2 wooden blocks on work table and lightly tap cylinder flange against block edges until piston drops out of cylinder. Make sure distance from rag to top of blocks is at least 3.94" (100 mm). See Figure.
  7. Remove O-ring from cylinder body.
  8. Clean disassembled parts with compressed air and inspect cylinder bore for rust or scoring. Inspect cylinder bore for wear or damage. If necessary, clean or replace cylinder.
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