5040C12 AIR CONDITIONER HOUSING - R R WITH FACIA DISCONNECTED - Lancia - MUSA - eLearn

184001372 - 5040C12 AIR CONDITIONER HOUSING - R R WITH FACIA DISCONNECTED

Follow the recommended safety instructions (see 5040 - Precautions).

) Op. 4110D20 STEERING ELECTRICAL CONTROL DEVICE - R RDrain the refrigerant fluid ( Op. 0010T84 COOLANT FOR AIR CONDITIONING SYSTEM DEHYDRATE AND RECHARGE).Remove the components in the engine compartment that prevent access to the expansion valve.1. Undo the bolt (1a) and disconnect the connector (1b) for the pipe from the expansion valve to the compressor.

Seal the connectors that have been disconnected using suitable plugs to prevent dampness and impurities from entering the system.

2. Undo the bolt (2a) and disconnect the connector (2) for the pipe from the expansion valve to the condenser.Prepare a suitable container for collecting the coolant.3. Open the retaining bands (3a) and disconnect the heater fluid inlet and outlet pipes (3b).Collect the coolant and seal the pipes to prevent foreign bodies from entering.4. Undo the nut.

1. Working on the right side of the passenger compartment, disconnect the eyelet.

	Description	Connector
1	Air conditioning unit earth	C16

2. Disconnect the earth terminal.

	Description	Connector
2	Passenger dashboard earth	C20

3. Disconnect the electrical connection.

	Description	Connector
3	Dashboard/rear coupling	D20

1. Working on the left side of the passenger compartment, disconnect the electrical connections (1a and 1b).

	Description	Connector
1a	Front/dashboard coupling	D1

	Description	Connector
1b	Air conditioning-heater front coupling	D8A

2. Disconnect the electrical connections at the junction unit and at the body computer (2a, 2b, 2c).

	Description	Connector
2a	Junction unit under dashboard	B2A

	Description	Connector
2b	Junction unit under dashboard	B2C

	Description	Connector
2c	Body computer	M1A

	Description	Connector
2c	Body computer	M1B

1. Working on the right side of the tunnel under the dashboard, lower the edge (1a) of the carpet. Undo the nut releasing the eyelet (1b) for the Air Bag control unit.

	Description	Connector
1b	Air Bag system earth	C50A

2. Disconnect the front electrical connection (2a) at the Air Bag control unit (2b).

	Description	Connector
2a	Air Bag control unit	M60A

1. Release the wiring (1a) from the retainer (1b).2. Undo the nuts (2a) and the bolt (2b) and fold the gear lever assembly (2c) backwards.3. Undo the bolts fixing the brackets.4. Remove the brackets.

1. Undo the bolts2. Remove the left side bracket.

1. Undo the bolts securing the crossmember under the dashboard.2. Remove the crossmember complete with air conditioning casing.

Disconnect the electrical connections for the dashboard wiring and release the cable from the bands and from the retainers.

See the Wiring Diagrams Section for the precise identification of the electrical connections.

1. Undo the three bolts (1a) and remove the air duct (1b).

1. Undo the four nuts (1a) and separate the air conditioning casing (1b) from the crossmember (1c).

Refitting ( Removing

) Check that the air conditioning casing is not damaged.Fasten the air conditioning casing to the crossmember using the nuts.

	Fastening	Component	Ø	Value(daNm)
-	Nut	A/C CASE	M6	0.7

Position the upper air duct and secure it using the bolts.Connect the electrical connections for the dashboard wiring and secure it using the retainers and the bands.Position the crossmember complete with air conditioner and tighten the bolts to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	CROSSMEMBER SUPPORTING DASHBOARD TRIM	M12 X 1.25	3.5

Connect the connection for the Air Bag control unit and the earth.Position the crossmember mounting brackets and secure them using the bolts.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	DASHBOARD CROSSMEMBER BRACKET	M8	2.0

Position the gear lever assembly and fasten it using the nuts.Connect the electrical connections on both sides of the dashboard.Working via the engine compartment, tighten the nut fixing the air conditioning casing to the dashboard bulkhead.

	Fastening	Component	Ø	Value(daNm)
-	Nut	A/C CASE	M6	0.6

Reconnect the heater coolant inlet and outlet pipes, then secure them using the retaining bands.

Connect the connectors for the refrigerant fluid pipes to the expansion valve.Replace the O rings for the connectors. Only use green coloured seals that are resistant to R134a refrigerant fluid. Lubricate the connector threads using anti-freeze.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	COOLANT SYSTEM FITTINGS	M6	0.9

Reposition the components removed previously in the engine compartment. Op. 4110D20 STEERING ELECTRICAL CONTROL DEVICE - R RRepressurize the refrigerant fluid ( Op. 0010T84 COOLANT FOR AIR CONDITIONING SYSTEM DEHYDRATE AND RECHARGE.Top up the engine coolant level.