2ND Brake: Reassembly

1998 Lexus SC 300SECTION Reassembly

Coat NEW "O" rings with ATF and install. Carefully press 2nd brake piston into 2nd brake drum. Install piston return spring and spring retainer. See Fig 1. Compress return spring and install snap ring. Apply compressed air to 2nd brake drum. Ensure 2nd brake piston moves smoothly. Install thrust washer. Ensure cutout portions of thrust washer match teeth of spring retainer.

Fig 1: Exploded View Of 2nd Brake Assembly
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When to See a Mechanic

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.