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Toyota Sequoia (2005). Manual - part 802
BR10O–04
R13543
R13544
R13545
BR–30
–
BRAKE
FRONT BRAKE CALIPER
3197
INSPECTION
1.
MEASURE PAD LINING THICKNESS
Using a ruler, measure the pad lining thickness.
Standard thickness: 11.5 mm (0.453 in.)
Minimum thickness: 1.0 mm (0.039 in.)
Replace the pad if the thickness is less than the minimum (the
1.0 mm slit is no longer visible), or if it shows signs of uneven
wear.
2.
MEASURE DISC THICKNESS
(a)
Temporarily fasten the disc with 3 hub nuts.
(b)
Using a micrometer, measure the disc thickness.
Standard thickness: 28.0 mm (1.102 in.)
Minimum thickness: 26.0 mm (1.024 in.)
Replace the disc if the thickness of the disc is at the minimum
or less. Replace the disc or grind it on a lathe if it is scored or
worn unevenly.
3.
MEASURE DISC RUNOUT
Using a dial indicator, measure the disc runout at a position 10
mm (0.39 in.) from the outside edge.
Maximum disc runout: 0.07 mm (0.0028 in.)
If the runout is greater than the maximum, replace the disc or
grind it on a ”On–Car” brake lathe.
HINT:
When the disc runout is outside the specified range, check the
front hub bearing in the same way.
4.
IF NECESSARY, ADJUST DISC RUNOUT
(a)
Remove the hub nuts and disc. Reinstall the disc 1/6 of
a turn round from its original position on the hub. Install
and torque the hub nuts.
Torque: 110 N·m (1,150 kgf·cm, 83 ft·lbf)
(b)
Remeasure the disc runout. Make a note of the runout
and the disc’s position on the hub.
(c)
Repeat (a) and (b) until the disc has been installed on the
4 remaining hub positions.
If the minimum runout recorded in (a) to (c) is less
than the maximum disc runout, install the disc in that
position.
If the minimum runout recorded in (a) to (c) is great-
er than the maximum disc runout, replace the disc
and repeat step 3.