2006 GREAT WALL HOVER brake fluid

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Page 308 of 425

GREAT WALL HOVER 2006 Service Repair Manual Brake-22
2. Install the piston gasket in the tong body.
a. Screw the bleed screw into the bleed hole;
b. Install the square gasket in the sealing groove of two cylinders of
pump respectively after coa

Page 316 of 425

GREAT WALL HOVER 2006 Service Repair Manual Brake-30
Replace of load-sensing proportional valve
1. Removal
Disconnect the brake pipeline form the valve; remove the lock nut and
remove the adjusting bolt from the suspension arm bracket; remove t

Page 317 of 425

GREAT WALL HOVER 2006 Service Repair Manual Brake-31
Antilock Braking System (ABS)
Cautions
1. It must not remove or install the electric elements and wire bunch plug when the ignition switch is in ON to avoid
the damage of ECU. It should turn

Brake-31
Antilock Braking System (ABS)
Cautions
1. It must not remove or install the electric elements and wire bunch plug when the ignition switch is in ON to avoid
the damage of ECU. It should turn off the ignition switch if needs disassembly.
2. Pay attention to do not knock or impact the ABS ECU during the maintenance and repair, for it will damage the
ABS ECU easily.
3. The wheel speed sensor and hydraulic unit (integrated with ECU) of BOSCH ABS8.0 can not be repaired, it should
be replaced in integral if damaged.
4. After the brake system is maintained, the brake pedal maybe soft. Discharge the air according to the normal brake
system.
5. It must use the brake fluid from original manufacturer; the brake fluid of different number cannot be used in mixed,
otherwise it will cause the failure of brake system. Select the tyre of original type as most as possible
Repair of Antilock Braking System (ABS)
1. It should process the failure diagnosis for the brake system before process the ABS failure diagnosis. It can
diagnose out the failure rapidly by using Table 1. In Table 1, the small number means the failure which occurs most
possibly. Check each element according to the sequence and maintain or replace it if necessary.
2. Check the following elements for normal operation before the diagnosis:
Brake fluid level and brake fluid quality
Pressure of tyre, size of tyre, shape and depth of tyre figure
Other brake component
These components will affect the brake effect of the ABS. Check the system sensor, connecting wire and connector for correct
installation, arrangement and connection. Ensure the completeness of fuse, repair or replace it if necessary.
3. Process the analysis and diagnosis according to the ABS advanced by owner. Use the diagnosis instrument (Annex
1) for final check and confirmation. It must process the run inspection after the competition of all ABS maintenance.
The test condition is shown as follows:
a. Confirm the tyre complies with the requirement, the tyre pressure is normal.
b. The brake system (including brake light ) is normal
c. The brake system is without leakage.
d. The position and installation of wheel speed sensor is correct.
e. All fuses are normal.
4. test method:
Run for 1 min at least when the vehicle speed is beyond 40Km/h, process a proper brake. Then read out the failure code to
ensure the ABS is without failure code.

Page 319 of 425

GREAT WALL HOVER 2006 Service Repair Manual Brake-32
Table 1

Name of element
(failure) Brake is low or
soft Lag of brake Block of brake The brake is very hard
but has bad eff ect Brake
noise
Brake system (leakage of brake
fluid) 1

Page 418 of 425

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