78638 - 3340A12 A.B.S. hydraulic and electronic CONTROL UNIT - R.R. - Includes bleeding air

Refitting

    See in Op. 7040D50 ENGINE COMPARTMENT UPPER SOUND INSULATION SHIELD - R.R.- Using a suitable syringe, draw off the brake/clutch fluid from the reservoir.     See in Op. 1048A21 AIR INLET HOSE FROM INTAKE TO FILTER - R.R.-    See in Op. 1048A50 air inlet pipe to turbocharger - r + r 1. Disconnect the electrical connection for the brake system electronic control unit (NFR).

	Description	Connector
1	Braking system control unit (NFR)	M051

2. Release the ABS brake pipes from the band.3. Undo the nuts for the pipe connectors from the ABS hydraulic and electronic control unit.

	Description	Code	Function
.	Spanner	1.860.697.000	Spanner for ABS fluid connectors

4. Undo the retaining nuts.5. Remove the ABS hydraulic and electronic control unit.

Refitting ( Removing ) - Position the hydraulic and electronic control unit in the housing and secure it tightening the nuts to the recommended torque.

	Value - daNm	Fastening	Component	Ø
.	1.5	Nuts	HYDRAULIC AND ELECTRONIC CONTROL UNIT	M8

- Connect the pipes to the ABS hydraulic and electronic control unit and secure them tightening the connectors to the recommended torque.

	Value - daNm	Fastening	Component	Ø
.	1.4	Connector	PIPE FROM PUMP TO HYDRAULIC CONTROL UNIT	M10

- Secure the pipes using the band.- Connect the electrical connection for the brake system electronic control unit (NFR).

	Description	Connector
.	Braking system control unit (NFR)	M051

    See in Op. 1048A50 air inlet pipe to turbocharger - r + r-    See in Op. 1048A21 AIR INLET HOSE FROM INTAKE TO FILTER - R.R.     See in Op. 0010T64 Brake and/or clutch fluid - Check level and top up, if necessary-    See in Op. 0010T65 HYDRAULIC BRAKING SYSTEM - BLEED AIR-    See in Op. 7055B54 PROTECTION/GUARD under engine - R.R.- Connect the negative battery terminal.- Remove the vehicle from the lift.