INSPECT AND ADJUST BRAKE PEDAL HEIGHT
Check the brake pedal height.
Turn back the carpet.
| *1 | Lock Nut |
| *2 | Stop Light Switch Assembly |
| *3 | Dash Panel |
| *4 | Brake Pedal Height |
Measure the brake pedal height from the dash panel to the bottom edge of the brake pedal pad.
| Standard pedal height |
|---|
| 135 to 145 mm (5.31 to 5.71 in.) |
If pedal height is incorrect, adjust the push rod length according to procedure below.
Adjust the push rod length.
Remove the stop light switch assembly Click here.
Remove the brake booster assembly Click here.
| *1 | Push Rod Length |
| *2 | Lock Nut |
| *3 | Brake Master Cylinder Push Rod Clevis |
Loosen the lock nut and adjust the push rod length*1 shown in the illustration by turning the brake master cylinder push rod clevis to achieve the length*1.
| Length*1 |
|---|
| 155.1 to 156.1 mm (6.11 to 6.15 in.) |
Tighten the lock nut.
Install the brake booster assembly Click here.
If the pedal height is incorrect even if the push rod length is adjusted, check that there is no damage to the brake pedal support assembly and dash panel.
Even if there is damage, there is no problem if the reserve distance is within the standard value.
If necessary, replace the brake pedal support assembly.
Install the stop light switch assembly Click here.
Check that the stop lights do not come on when the brake pedal is released.
After adjusting the pedal height, check the brake pedal free play.
INSPECT BRAKE PEDAL FREE PLAY
Stop the engine and firmly depress the brake pedal several times until no vacuum is left in the booster.
| *1 | Brake Pedal Free Play |
Measure the free play of the brake pedal.
| Standard pedal free play |
|---|
| 1.0 to 3.0 mm (0.0394 to 0.118 in.) |
If the pedal free play is not as specified, check the stop light switch clearance Click here. If the pedal free play is as specified, proceed to the Inspect Brake Pedal Reserve Distance procedure.
INSPECT BRAKE PEDAL RESERVE DISTANCE
Tech Tips
Measure the distance at the same point used for the brake pedal height inspection.
Start the engine.
Depress the brake pedal and check the pedal reserve distance.
Depress the brake pedal with a force of 500 N (51 kgf, 112.4 lbf).
Measure the distance between the brake pedal and dash panel.
| Standard pedal reserve distance |
|---|
| More than 28 mm (1.10 in.) |
If the distance is not as specified, troubleshoot the brake system Click here.