Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Brake Booster(for Gasoline Model): Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY (a) Remove the brake vacuum check valve assembly from the brake booster assembly. (b) Remove the check valve grommet from the brake booster assembly. 2. REMOVE VACUUM WARNING SWITCH ASSEMBLY (a) Remove the vacuum warning switch assemb ...
