ADJUSTMENT PROCEDURE 1. INSPECT AND ADJUST BRAKE PEDAL HEIGHT (a) Remove the front door scuff plate LH. Click here (b) Remove the cowl side trim sub-assembly LH. Click here (c) Remove the No. 1 instrument panel under cover sub-assembly. Click here (d) Remove the accelerator pedal pad. Click here (e) Remove the accelerator pedal. Click here (f) Check the brake pedal height. HINT: Inspect and adjust the brake pedal height with the floor carpet and front floor mat folded back. (1) Measure the shortest distance between the brake pedal pad surface and floor panel as shown in the illustration.
Brake Pedal Height from Floor Panel: 147.5 to 161.5 mm (5.81 to 6.36 in.) HINT: If the brake pedal height is not as specified, inspect and adjust the push rod length according to the procedure below. (g) Adjust the push rod length.
(2) Loosen the lock nut. (3) Adjust the brake pedal height by turning the push rod. Brake Pedal Height from Floor Panel: 147.5 to 161.5 mm (5.81 to 6.36 in.) (4) Tighten the lock nut. Torque: 26 N·m {265 kgf·cm, 19 ft·lbf} (5) Install the stop light switch assembly. Click here (h) Install the accelerator pedal. Click here (i) Install the accelerator pedal pad. Click here (j) Install the No. 1 instrument panel under cover sub-assembly. Click here (k) Install the cowl side trim sub-assembly LH. Click here (l) Install the front door scuff plate LH. Click here 2. INSPECT BRAKE PEDAL FREE PLAY (a) Stop the engine and firmly depress the brake pedal several times until no vacuum is left in the brake booster assembly.
3. INSPECT BRAKE PEDAL RESERVE DISTANCE HINT: Measure the distance at the same point used for the brake pedal height inspection. (a) With the engine running, depress the brake pedal and measure the brake pedal reserve distance as shown in the illustration.
Brake Pedal Reserve Distance from Floor Panel at 300 N (31 kgf, 67.4 lbf): 81 mm (3.19 in.) or more HINT: If the distance is not as specified, troubleshoot the brake system. Click here |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Axle System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected ...