5020A12 HEATER CASING - R+R WITH FACIA REMOVED - Alfa - 156 - eLearn

3238278 - 5020A12 heater casing - r+r with facia removed

) - 5010A12 engine/heater line - r r - 5010A16 heater/engine line - r r - 5010B45 duct from climate control system - r r (right and left) - 5010B46 central air duct to rear seat - arrange - 5580C14 air bag ecu - r+r

Before working on the Air Bag system, follow the safety instructions for working on the system very carefully (See 5580C - Air Bag System - Precautions).

1. Working inside the cabin, open the clip securing the wiring to the heater.2. Disconnect both electrical connections (2a (2b) to the heater.

	Name	Connector
2a	Dashboard/air conditioning-heater connection	D21A

	Name	Connector
2b	Dashboard/air conditioning-heater connection	D21B

3. Open the clip securing the heater wiring to the underfacia wiring.4. Release the air bag wiring from the heater and move.

1. Undo the central bracket retaining bolts.2. Remove the central bracket.3. Unscrew the bolts securing the integrated services control unit and relay carrier bracket.5. Disconnect integrated services control unit electrical connections (5a, 5b, 5c).

	Name	Connector
5a	Integrated services control unit	M40A

	Name	Connector
5b	Integrated services control unit	M40B

	Name	Connector
5c	Integrated services control unit	M40C

6. Open the clips, release the wiring and recover the bracket with control unit and relays.

1. Move the wiring and secure temporarily.2. Undo the bolts fixing the heater casing.3. Remove the heater casing, complete with wiring.

Refitting ( Removing

) Check that the heater casing is not damaged.Reposition the heater casing, complete with wiring ..Tighten the bolts fixing the heater casing.Release the wiring secured temporarily during removal.Use clips to secure the wiring to the integrated servic control unit and relay bracket.Connect the electrical connections to the integrated services control unit.Refit the bracket.Tighten the integrated services control unit and relay retaining bolts.Fit the central bracket and secure with bolts.Fasten the air bag wiring to the heater.Fit the clips securing the heater wiring to the underfacia wiring.Reconnect both heater electrical connections.Secure the wiring clip to the heater. - 5580C14 air bag ecu - r+r - 5010B46 central air duct to rear seat - arrange - 5010B45 duct from climate control system - r r (right and left) - 5010A16 heater/engine line - r r - 5010A12 engine/heater line - r r