14:13. Replacement of front brake shoes

Brake disk and front brake shoes

1 – brake hose;
2 – bolt;
3 – the directing finger and a protective cover;
4 – spring;
5 – union of pumping and dustproof cap;
6 – support;
7 – holder of a support;
8 – brake disk;
9 – screws

Removal

PERFORMANCE ORDER
1. Lift the forward party of the car and fix on support.
2. Remove forward wheels.
3. Remove two protective covers and turn out two bolts and the plug.
4. Remove a support.
5. Remove a spring clip.
6. Remove brake shoes.
7. Measure thickness of brake shoes.

Minimum thickness of a brake shoe: 2,0 mm
8. A cap wrench disconnect a brake tube, at the same time collect the leaked brake fluid.
9. Turn out two bolts and remove the holder of a support.
10. Measure thickness of a brake disk in four places on a circle.

Minimum thickness of a brake disk: 18 mm
11. Measure by the indicator of hour type a beating of a brake disk.

Maximum beating: 0,10 mm

Prevention

The excessive beating can be caused by the free wheel bearing.


12. Turn out two screws and remove a brake disk.
13. Remove a rust and a step on perimeter of a brake disk. If necessary, replace a brake disk.

Check

PERFORMANCE ORDER
1. Check overlays of brake shoes for lack of pollution by oil or lubricants, wear, cracks, and also measure thickness of overlays of brake shoes.

Thickness of brake shoes:
Nominal: 11,0 – 11,5 mm
Minimum admissible: 2,0 mm
2. Visually check the basis of brake shoes for absence of damage, cracks or uneven wear.
3. Measure thickness of a brake disk.

Thickness of a brake disk:
Nominal: 20 mm
Minimum admissible: 18 mm
4. Measure by the indicator of hour type a beating of a brake disk at distance of 8-12 mm from an outer edge.

Maximum permissible beating: 0,08 mm

Installation

PERFORMANCE ORDER
1. Establish the new or restored brake disk and fix it by two screws.
2. Establish the holder of a support and fix it by two bolts.

Inhaling moment: 45–67 N • m
3. A cap wrench connect a brake tube to a support.

Inhaling moment: 13–18 N • m
4. Establish brake shoes in a support and establish a support on the holder of a support.
5. Grease and screw two bolts and plugs and tighten them the required moment.

Inhaling moment: 26–28 N • m
6. Establish protective covers.
7. Remove air from a hydraulic contour of the brake system.
8. Check lack of leak of brake fluid.