Removal and installation of the pump and engine of the ABS hydraulic unit

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1. Remove the negative cable from the battery.

2. Disconnect the high pressure hose from the pump.

3. Disconnect the low pressure hose from the pump and drain the brake fluid through it.

4. Remove the multi-pin connectors from the pressure sensor and the pump motor.



5. unscrew the bolt (indicated by an arrow) pump mountings.

6. Separate the pump with the electric motor from the installation sleeve and remove them.

7. Remove the installation bushings and replace them if necessary.

8. When installing a new pump, install a pressure sensor with a new O-ring on it.

9. Install the pump in the bushings of the unit and connect the low pressure hose.

10. Fasten the pump with a bolt.

11. Connect the high pressure hose with new gaskets.

12. Install hydraulic accumulator with new O-rings.

13. Connect the multi-pin connectors to the pressure sensor and pump motor.

14. Fill the reservoir with brake fluid, turn on the ignition and allow the pump to fill with brake fluid.

Attention! The pump should run no more than two minutes.







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