CAUTION / NOTICE / HINT NOTICE: After replacing the brake actuator assembly, perform linear solenoid valve offset learning, ABS holding solenoid valve learning, yaw rate and acceleration sensor zero point calibration and system information memorization after performing "Reset Memory". Click here PROCEDURE
(a) After turning the power switch on (READY), compare the operating sound of the brake actuator the first time the vehicle speed reaches approximately 25 km/h (16 mph) with a known good vehicle of the same model. OK: The operating sound is the same or quieter than that of a known good vehicle of the same model. HINT: When the vehicle speed reaches approximately 20 km/h (12 mph), the initial check of the brake actuator assembly is performed and pump motor operation sounds are generated.
(a) Check that the cushion of the brake actuator bracket assembly is not worn, damaged or deformed. OK: The brake actuator bracket assembly is not worn, damaged or deformed.
(a) Drain the brake fluid. (b) Disconnect all brake lines from the brake actuator assembly. Click here (c) Connect each brake line so that the cushion of the brake actuator assembly is tensioned evenly. Click here NOTICE: After connecting all the brake lines, add brake fluid and bleed the brake system. Click here HINT: By reducing the tension on the brake lines and cushion, the operating sound of the brake actuator assembly may be reduced. (d) Check that no brake lines interfere the vehicle body or other components.
(a) Perform a road test and check the magnitude of the operating sound again. OK: The operating sound is the same or quieter than that of a known good vehicle of the same model.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Rear Brake: Reassembly
REASSEMBLY CAUTION / NOTICE / HINT CAUTION: If the rear disc brake cylinder assembly has been disassembled, perform air bleeding for the rear disc brake cylinder assembly. for Gasoline Model: Click here for HV Model: Click here NOTICE: Make sure not to scratch, damage or apply excessive force to any ...