F03527
Stop Light Switch
Pedal Height
Push Rod
BR0I7-05
R00935
Pedal Freeplay
F00522
Pedal Reserve Distance
BR-6
-
BRAKE
BRAKE PEDAL
1349
Author:
Date:
2001 SIENNA (RM787U)
BRAKE PEDAL
ON-VEHICLE INSPECTION
1.
CHECK PEDAL HEIGHT
Pedal height from asphalt sheet:
159.5 - 169.5 mm (6.280 - 6.673 in.)
If the pedal height is incorrect, adjust it.
2.
IF NECESSARY, ADJUST PEDAL HEIGHT
(a)
Remove the lower finish panel and No. 1 safety pad insert
(See page
(b)
Disconnect the connector from the stop light switch.
(c)
Loosen the stop light switch lock nut and remove the stop
light switch.
(d)
Loosen the push rod lock nut.
(e)
Adjust the pedal height by turning the pedal push rod.
(f)
Tighten the push rod lock nut.
Torque: 25 N·m (260 kgf·cm, 19 ft·lbf)
(g)
Install the stop light switch.
(h)
Connect the connector to the stop light switch.
(i)
Push in the brake pedal 5 - 15 mm (0.20 - 0.59 in.), turn
the stop light switch to lock the nut in the position where
the stop light goes off.
(j)
Push in the brake pedal 5 - 15 mm (0.20 - 0.59 in.), check
that stop light lights up.
(k)
After adjusting the pedal height, check the pedal freeplay.
(l)
Install the No. 1 safety pad insert and lower finish panel
(See page
3.
CHECK PEDAL FREEPLAY
(a)
Stop the engine and depress the brake pedal several
times until there is no more vacuum left in the booster.
(b)
Push in the pedal by hand until the beginning of the resis-
tance is felt, then measure the distance, as shown.
Pedal freeplay: 1 - 6 mm (0.04 - 0.24 in.)
If incorrect, check the stop light switch clearance. If the clear-
ance is OK, then troubleshoot the brake system.
Stop light switch clearance:
0.5 - 2.4 (0.020 - 0.094 in.)
4.
CHECK PEDAL RESERVE DISTANCE
(a)
Release the parking brake.
(b)
With the engine running, depress the pedal and measure
the pedal reserve distance, as shown.
Pedal reserve distance from asphalt sheet at 490 N
(50 kgf, 110.2 lbf):
More than 96 mm (3.78 in.)
If the reserve distance is incorrect, troubleshoot the brake sys-
tem.
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