Rear Brake Drum And Shoe Inspection; Rear Brake Shoe On-Vehicle Check - Suzuki GRAND VITARA Owner's Manual
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4C-4 Rear Brakes:
Rear Brake Drum and Shoe Inspection
Brake Drum
Inspect brake drum for wear.
If drum inner diameter is exceeds the limit or uneven or
stepped wear is excessive, replace the drum.
Rear brake drum inner diameter "a"
Standard: 254 mm (10.00 in.)
Limit: 256 mm (10.07 in.)
Cracked, scored, or grooved drum
A cracked, drum is unsafe for further service and must
be replaced.
Do not attempt to weld a cracked drum.
Smooth up any slight scores. Heavy or extensive scoring
will cause excessive brake lining wear and it will
probably be necessary to resurface drum braking
surface.
If brake linings are slightly worn and drum is grooved,
drum should be polished with fine emery cloth but should
no be turned.
NOTE
When drum is removed, visually inspect
wheel cylinder for brake fluid leakage.
Correct leaky point, if any.
Brake Shoe
Measure the minimum thickness of brake lining (1). Also,
check surface of lining for hardening, excessive wear
and oil.
Lining thickness "a"
Standard: 4.5 mm (0.18 in.)
Limit: 1.0 mm (0.04 in.)
CAUTION
!
Never polish lining with sandpaper. If lining is
polished with sandpaper, hard particles of
sandpaper will be deposited in lining and
may damage drum. When it is required to
correct lining, replace it with a new one.
S5JB0A4306004
Rear Brake Shoe On-Vehicle Check
Inspection should be carried out on the following points
after brake pedal travel (pedal to silencer clearance)
check as described on "Excessive Pedal Travel Check:
in Section 4A", even when it is more than specification.
Amount of brake shoe wear can be checked as follows.
1) Hoist vehicle.
2) Remove rubber plug (1) from brake back plate.
3) Through hole of back plate, visually check for
thickness of brake shoe lining (2). If lining thickness
IYSQ01430007-01
less than specified wear limit, replace with new
brake shoes.
Lining thickness "a"
Service limit: 1.0 mm (0.04 in.)
2
3
2
"a"
3. Brake shoe rim
"a"
1
I5JB0A430004-02
S5JB0A4306005
1
I5JB0A430005-01
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