Daewoo Matiz (2003 year). Manual — part 135
FRONT DISC BRAKES 4D – 11
SPECIFICATIONS
GENERAL SPECIFICATIONS
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Application
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Unit
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Description
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Outer Diameter
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
mm (in.)
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236 (9.3)
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ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
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Thickness
ÁÁÁÁÁÁÁ
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mm (in.)
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12.7 (0.5)
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Rotor
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Discard Thickness
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
mm (in.)
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ÁÁÁÁÁÁÁÁÁÁÁÁ
10 (0.4)
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
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Runout
ÁÁÁÁÁÁÁ
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mm (in.)
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0.05 (0.002)
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ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
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Pad Thickness
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
mm (in.)
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ÁÁÁÁÁÁÁÁÁÁÁÁ
10 (0.40)
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Caliper
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Pad Discard Thickness
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
mm (in.)
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8 (0.31)
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Diameter of the Position
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mm (in.)
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48 (1.89)
FASTENER TIGHTENING SPECIFICATIONS
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Application
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N
S
m
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Lb-Ft
ÁÁÁÁÁÁÁ
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Lb-In
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ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Rotor Bolts
ÁÁÁÁÁÁÁ
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65
ÁÁÁÁÁÁ
ÁÁÁÁÁÁ
48
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
–
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Caliper Mounting Bolts
ÁÁÁÁÁÁÁ
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95
ÁÁÁÁÁÁ
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70
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–
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Pin Bolts
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26
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19
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–
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ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Brake Hose Coupling Bolt
ÁÁÁÁÁÁÁ
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25.5
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ÁÁÁÁÁÁ
19.1
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–
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Bleeder Screw
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6
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–
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53
SECTION 4E
REAR DRUM BRAKES
TABLE OF CONTENTS
Description and Operation
4E-2
. . . . . . . . . . . . . . . . . .
Drum Brakes
4E-2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Component Locator
4E-3
. . . . . . . . . . . . . . . . . . . . . . . .
Rear Drum Brakes
4E-3
. . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostic Information and Procedures
4E-4
. . . . .
Rear Drum Brake
4E-4
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Drums
4E-5
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Lining
4E-5
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Repair Instructions
4E-6
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On-Vehicle Service
4E-6
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Rear Brake Drum
4E-6
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Brake Shoe
4E-7
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Wheel Cylinder Assembly
4E-8
. . . . . . . . . . . . . . . . . .
Backing Plate
4E-9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Repair
4E-10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel Cylinder
4E-10
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications
4E-11
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Specifications
4E-11
. . . . . . . . . . . . . . . . . . . .
Fastener Tightening Specifications
4E-11
. . . . . . . . . .
4E – 2 REAR DRUM BRAKES
DESCRIPTION AND OPERATION
DRUM BRAKES
This drum brake assembly is a leading/trailing shoe de-
sign. Both brake shoes are held against the wheel cylin-
der pistons by the lower return spring and the fixed
anchor plate near the lower return spring. When the
brakes are applied, the wheel cylinder pistons move
both shoes out to contact the drum. With forward wheel
rotation, the forward brake shoe will wrap into the drum
and become self-energized. With reverse wheel rota-
tion, the rear brake shoe is self-energized. Force from
the brake shoes is transferred to the anchor plate
through the backing plate to the axle flange. Adjustment
is automatic and occurs on any service brake applica-
tion. Do not switch the position of shoes that have been
in service, as this may render the self-adjustment fea-
ture inoperative and result in increased pedal travel.
Notice:
D
Replace all the components included in the repair kits
used to service this drum brake.
D
Do not use lubricated shop air on the brake parts, as
damage to the rubber components may result.
D
If any hydraulic component is removed or discon-
nected, it may be necessary to bleed all or part of the
braking system.
D
The torque values specified are for dry, unlubricated
fasteners.
D
Perform service operations on a clean bench that is
free from all mineral oil materials.
REAR DRUM BRAKES 4E – 3
COMPONENT LOCATOR
REAR DRUM BRAKES
D107C401
1. Bleeder Screw
2. Bleeder Screw
3. Rear Brake Assembly
4. Rear Brake Plate
5. Wheel Cylinder
6. Strut Assembly
7. Brake Leading Shoe
8. Middle Return Spring
9. Upper Return Spring
10. Brake Shoe Retain Spring Pin
11. Trailing Shoe
12. Brake Shoe Retain Spring
13. Brake Shoe Retain Spring Cap
14. Lower Return Spring
15. Hub Bolt
16. Rear Brake Drum
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