Disassembly & Assembly (LS 430)
- Remove brake caliper from vehicle. See REAR BRAKE CALIPER under REMOVAL & INSTALLATION. Using a screwdriver, remove caliper boot set rings and caliper boots from caliper.WARNING: Do not place your fingers in front of piston when using compressed air.
- Prepare a wooden plate to hold pistons. Place plate between pistons and insert a pad at one side. Use compressed air to remove pistons alternately from caliper.
- Using a screwdriver, remove piston seals from caliper. On LS 430, retainers are non-reusable parts. Replace caliper if they are cracked or deformed, or if they come off.
- To assemble, reverse disassembly procedure. Apply lithium soap base glycol grease to piston seals, pistons and boots.
- Install brake caliper. See REAR BRAKE CALIPER under REMOVAL & INSTALLATION.