Nissan Pathfinder: Heater & Air Conditioning System - Compressor

Nissan Pathfinder (R53) 2022-2025 Service Manual / Ventilation, Heater & Air Conditioner :: Heater & Air Conditioning System / Removal and Installation / Compressor

Compressor
Magnetic Clutch

Compressor Nissan Pathfinder

Exploded View

Compressor

Refer to Removal and Installation.

Removal and Installation

REMOVAL

Discharge refrigerant. Refer to Recycle Refrigerant.

Remove front wheel and tire (RH). Refer to Removal and Installation.

Remove front under cover. Refer to Removal and Installation.

Remove bolts retaining water pipe to engine block, and set water pipe aside. Refer to Exploded View.

Remove drive belt. Refer to Removal and Installation.

Disconnect harness connectors from compressor.

Remove bolt (A), then disconnect low-pressure flexible hose (1) from compressor.

CAUTION:

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

Do not reuse O-ring.

(2)	: High-pressure flexible hose
(B)	: Bolt

Remove bolt (B), then disconnect high-pressure flexible hose (2) from compressor.

CAUTION:

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

Do not reuse O-ring.

(1)	: Low-pressure flexible hose
(A)	: Bolt

Remove compressor bolts, then remove compressor.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

Do not reuse O-rings.

Finger tighten bolts in the sequence shown.

Tighten bolts to specified torque in the sequence shown.

Bolts (1,2)	: 55.0 N·m (5.6 kg-m, 41.0 fl-lb)
Bolts (3,4)	: 61.3 N·m (6.3 kg-m, 45.0 fl-lb)

Recharge refrigerant. Refer to Charge Refrigerant.

CAUTION:

After charging refrigerant, check for leaks. Refer to Leak Test.

Magnetic Clutch Nissan Pathfinder R53

Exploded View

Magnet Clutch Assembly

1.	Compressor	2.	Magnet coil	3.	Snap ring
4.	Pulley	5.	Snap ring	6.	Shim(s)
7.	Clutch disc

Removal and Installation of Compressor Clutch

REMOVAL

Remove front wheel and tire (RH) using a power tool.

Remove front fender protector side cover (RH). Refer to Exploded View.

Remove front side of front fender protector (RH). Refer to Exploded View.

CAUTION:

Retain shim(s) for installation.

Remove drive belt. Refer to Removal and Installation.

Hold clutch disc using Tool (A) then remove bolt (B).

Tool number (A)

: — (NI-52173)

Remove clutch disk and shim(s).

CAUTION:

Retain shim(s) for installation.

Using a suitable tool (A) remove snap ring (B).

Remove pulley.

Disconnect harness connector from compressor.

Using a suitable tool release clip for harness connector (A).

: Clip

Remove snap ring (A) using a suitable tool, then remove coil (1).

INSTALLATION

Installation is in reverse order of removal.

Make sure coil locating pin (B) is in slot (A).

CAUTION:

Make sure chamfered inner edge of pulley snap ring faces out-board.

INSPECTION AFTER INSTALLATION

Check clearance (A) all around between clutch disc (1) and pulley (2) using a suitable tool.

Clutch disc-to-pulley clearance (B)

: Compressor

CAUTION:

Replace magnetic clutch if specified clearance is not obtained.

Make sure magnet clutch assembly rotates smoothly before installing compressor.

BREAK-IN OPERATION

When replacing compressor clutch, always conduct the break-in operation. This is done by engaging and disengaging the clutch about 30 times. Break-in operation raises the level of transmitted torque.