Removal and Installation - Front Heating and Cooling Unit: Removal

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Before servicing, turn the ignition switch off, disconnect both battery terminals and wait at least three minutes.

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

Discharge the refrigerant from the A/C system. Refer to HFC-134a (R-134a) Service Procedure .
Drain the engine coolant from the cooling system. Refer to Changing Engine Coolant .
Disconnect the battery negative and positive terminals and wait at least three minutes.
Disconnect the heater hoses from the heater core pipes.
Disconnect the refrigerant lines from the front expansion valve. Refer to Exploded View .
Remove the instrument panel assembly. Refer to Removal and Installation .
Remove the steering column assembly. Refer to Removal and Installation .
Disconnect the drain hose.
Disconnect all necessary harness connectors.

Remove the steering member bolts:

Courtesy of NISSAN NORTH AMERICA, INC.

LH center bolt.
Three LH steering member to cowl bolts.
Two RH steering member to cowl bolts.
Two LH center steering member to floor bolts (A).

Two RH center steering member to floor bolts (B).

Courtesy of NISSAN NORTH AMERICA, INC.

Four upper bolts and brackets.

Lift upward and remove the front heater and cooling unit assembly attached to the steering member as one assembly from the vehicle.
Separate the front heater and cooling unit assembly from the steering member.