Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Adjustment

ADJUSTMENT

PROCEDURE

1. INSPECT AND ADJUST BRAKE PEDAL HEIGHT

(a) Remove the front door scuff plate LH.

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(b) Remove the cowl side trim sub-assembly LH.

Click here

(c) Remove the No. 1 instrument panel under cover sub-assembly.

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(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.

(1) Remove the stop light switch assembly. Click here

*1 Lock Nut *2 Stop Light Switch Assembly *a Floor Panel *b Brake Pedal Height

(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.

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(h) Install the accelerator pedal.

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(i) Install the accelerator pedal pad.

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(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.

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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.

(b) Depress the brake pedal until a slight resistance is felt. Measure the distance as shown in the illustration. Brake Pedal Free Play: 1.0 to 6.0 mm (0.0394 to 0.236 in.) HINT: If the brake pedal free play is not as specified, check the stop light switch clearance. Click here If the brake pedal free play is as specified, proceed to the Inspect Brake Pedal Reserve Distance procedure.

*a Brake Pedal Free Play

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