Toyota Avalon Service & Repair Manual > Brake Booster(for Gasoline Model): Reassembly
REASSEMBLY PROCEDURE 1. INSTALL VACUUM WARNING SWITCH ASSEMBLY (a) Install a new check valve grommet to the brake booster assembly. (b) Install the vacuum warning switch assembly to the brake booster assembly as shown in the illustration. *a 30° +/- 20° Up 2. INSTALL BRAKE VACUUM CHECK VALVE ASSEM ...