Nissan Murano: Heater & Air Conditioning System :: Removal and Installation / Heating and Cooling Unit Assembly

Exploded View

1.	Heating and cooling unit assembly	2.	Steering member	3.	Steering member brace (LH)
4.	Steering member brace (RH)	A.	Steering member caps		Pawl
	Front

REMOVAL

CAUTION:

Before servicing, turn the ignition switch "OFF", disconnect both battery cables and wait at least three minutes.

NOTE:

When removing components such as hoses, lines/tubes, etc., cap or plug openings to prevent fluid from leaking.

Discharge the refrigerant. Refer to Recycle Refrigerant.

Drain the engine coolant. Refer to Changing Engine Coolant.

Remove the instrument panel assembly. Refer to Removal and Installation.

Remove the steering column. Refer to Removal and Installation.

Remove the front floor connecting duct (LH/RH). Refer to Exploded View.

Disconnect the harness connectors (B) from the super multiple junction (SMJ) block (A).

Disconnect the high-pressure pipe and internal heat exchanger from the expansion valve.

CAUTION:

Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.

Disconnect the heater hoses from the heater core.

Remove the cowl top extension. Refer to Removal and Installation - Cowl Top Cover.

Remove the body panel plug (A) then remove the steering member bolt.

Remove the bolts that retain the steering member to the Nissan Murano vehicle body.

Disconnect the front drain hose from the heating and cooling unit assembly.

Disconnect the harness connectors from the heating and cooling unit assembly and steering member.

Remove the heating and cooling unit assembly and steering member from the Nissan Murano vehicle as an assembly.

CAUTION:

Use care not to damage the seats when removing the steering member.

Remove the bolts that retain the heating and cooling unit assembly to the steering member.

Separate the heating and cooling unit assembly from the steering member.

INSTALLATION

Installation is in the reverse order of removal.