1820B20 MASTER CYLINDER (PUMP) - R + R - Alfa - 159 - eLearn

939010721 - 1820B20 MASTER CYLINDER (PUMP) - R + R

) - Make sure that the ignition key is in the OFF position, then disconnect the battery terminal (-).

	Description	Connector
-	Battery	See A001 BATTERY

Op. 7040A37 FUSE BOX COVER IN INSTRUMENT PANEL - R.R Op. 5505A43 CONTROL UNIT (DIGITAL NETWORK NODE) IN DRIVER'S DOOR - R.R. WITH PANEL REMOVED Op. 3330B26 CLUTCH PEDAL - R+R 1. Disconnect the electrical connection from the brake fluid minimum level warning light switch.

	Description	Connector
1	Brake fluid level sensor (switch)	See K025 BRAKE FLUID LEVEL SENSOR (SWITCH)

2. Undo the bolts fixing the brake servo to the pedal assembly.

1. Disconnect the flexible pipe from the clutch reservoir to the master cylinder, master cylinder side.

Collect any brake-clutch fluid that comes out.

2. Lift the retaining clip (2a) and disconnect the clutch hydraulic circuit vibration damper (2b), clutch master cylinder side.

1. Undo the nuts (1a) and remove the master clutch cylinder (1b) from the pedal.

Refitting ( Removing

) 1. Place the clutch master cylinder (1a) in its housing and secure it by tightening the nuts (1b) to the recommended torque.

Component	Fastening	dia	Value (daNm)	Validity
Clutch master cylinder	Nut	M8	(pedal assembly side) 2.2 - 2.6

1. Fit the retaining collar (1a) fully, then fit the clutch hydraulic circuit vibration damper (1b) on the clutch master cylinder until the clip fastens.2. Connect the flexible pipe from the clutch reservoir to the master cylinder, master cylinder side.

1. Tighten the bolts fixing the brake servo to the pedal assembly to the recommended torque.

Component	Fastening	dia	Value (daNm)	Validity
Brake servo	Bolt	M8	(pedal assembly side) 2.2 - 2.6

2. Connect the electrical connection from the brake fluid minimum level warning light switch.

Op. 3330B26 CLUTCH PEDAL - R+R Op. 5505A43 CONTROL UNIT (DIGITAL NETWORK NODE) IN DRIVER'S DOOR - R.R. WITH PANEL REMOVED Op. 7040A37 FUSE BOX COVER IN INSTRUMENT PANEL - R.R Op. 0010T64 BRAKE AND/OR CLUTCH FLUID CHECK LEVEL AND TOP UP AS NECESSARY Op. 0010T67 HYDRAULIC CLUTCH SYSTEM - BLEED AIR - Connect the negative battery terminal.