Lexus ES300 (1997 year). Service manual - part 288
BR071–04
BR5332
BR0897
BR0828
R00343
Shim
Clearance
R00313
–
BRAKE
PARKING BRAKE
BR–43
1158
1997 LEXUS ES300 (RM511U)
INSPECTION
1.
INSPECT DISASSEMBLED PARTS
Inspect the disassembled parts for wear, rust or damage.
2.
MEASURE BRAKE SHOE LINING THICKNESS
Using a ruler, measure the thickness of the shoe lining.
Standard thickness: 2.0 mm (0.079 in.)
Minimum thickness: 1.0 mm (0.039 in.)
If the lining thickness is at the minimum thickness or less, or if
there is severe, uneven wear, replace the brake shoe.
3.
MEASURE DISC INSIDE DIAMETER
Using a vernier calipers, measure the inside diameter of the
disc.
Standard inside diameter: 170 mm (6.69 in.)
Maximum inside diameter: 171 mm (6.73 in.)
Replace the disc if the inside diameter is at the maximum value
or more. Replace the disc or grind it with a lathe if the disc is
scored or is worn unevenly.
4.
INSPECT PARKING BRAKE LINING AND DISC FOR
PROPER CONTACT
Apply chalk to the inside surface of the disc, then grind down
the brake shoe lining to fit. If the contact between the disc and
the brake shoe lining is improper, repair it using a brake shoe
grinder or replace the brake shoe assembly.
5.
MEASURE CLEARANCE BETWEEN PARKING
BRAKE SHOE AND LEVER
Using a feeler gauge, measure the clearance.
Standard clearance: Less than 0.35 mm (0.0138 in.)
If the clearance is not within the specification, replace the shim
with one of the correct size.
Shim Thickness
Shim Thickness
0.3 mm (0.012 in.)
0.9 mm (0.035 in.)
0.6 mm (0.024 in.)
6.
IF NECESSARY, REPLACE SHIM
(a)
Using a screwdriver, remove the C–washer and shim.
(b)
Remove the parking brake lever, and install the correct
size shim.
(c)
Install the parking brake lever with a new C–washer.
(d)
Remeasure the clearance.