Nissan Murano: Removal and Installation / Electric Controlled Coupling

Exploded View

	Rear final drive assembly		Wave spring		Electric controlled coupling assembly
	Reamer bolt		Connector bracket		Stud bolt
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
: Always replace after every disassembly.
: Apply Genuine Silicone RTV or equivalent. Refer to Recommended Chemical Products and Sealants.

NOTE:

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

• Before replacing electric controlled coupling due to vibration and/or noise when making low speed turns, refer to TSB to assist in proper diagnosis.

REMOVAL

Drain gear oil. Refer to Draining.

Remove propeller shaft from rear final drive assembly. Refer to Removal and Installation.

Remove stud bolts (1).

CAUTION:

After removing propeller shaft, replace stud bolt.

NOTE:

When replacing electric controlled coupling assembly, stud bolts are not required to be removed.

Disconnect AWD solenoid harness connector (1).

Remove air breather hose (1) from electric controlled coupling assembly. Refer to Removal and Installation.

Remove electric controlled coupling assembly from final drive assembly.

Remove wave spring.

Remove drive pinion oil seal from the inside of gear carrier. Refer to Removal and Installation.

CAUTION:

When removing electric controlled coupling, replace drive pinion oil seal.

Remove connector bracket (1) from electric controlled coupling.

bolt

Remove connector clip to disconnect connector bracket from AWD solenoid harness connector.

Clip

INSTALLATION

Install connector bracket to electric controlled coupling.

• For tightening torque, refer to Exploded View.

Lock AWD solenoid harness with connector clip.

Install drive pinion oil seal to the inside of gear carrier. Refer to Removal and Installation.

CAUTION:

When removing electric controlled coupling, replace drive pinion oil seal.

Install wave spring (1) to the inside of gear carrier.

Apply liquid gasket to mating surface of electric controlled coupling assembly.

• For applying liquid gasket, refer to Exploded View.

CAUTION:

• Remove old gasket adhering to the mounting surfaces. Also remove any moisture, oil, or foreign material adhering to the mounting surfaces.

• The width of sealant bead is approximately 3 mm (0.12 in). Apply sealant evenly.

Join electric controlled coupling assembly (1) to spline of drive pinion, then install it to final drive assembly (2).

CAUTION:

Be careful not to damage drive pinion oil seal.

Temporarily tighten reamer bolts (1) to the positions shown in the figure.

Tighten reamer bolts and electric controlled coupling assembly mounting bolts to the specified torque.

• For tightening torque, refer to Exploded View.

Install air breather hose (1) to electric controlled coupling assembly. Refer to Removal and Installation.

Connect AWD solenoid harness connector (1).

Install stud bolts (1).

: Electric controlled coupling side

CAUTION:

• Do not reuse stud bolt.

• After removing propeller shaft, replace stud bolt.

• Screw long thread side of stud bolt to electric controlled coupling.

• Screw the stud bolt until the stop by applying a torque of 15 N·m (1.5 kg-m, 11 ft-lb) ±20%.

• After installing stud bolt, the length of the protrusion from electric controlled coupling must be as described below.

  

  Length (L)

  : 19.8 mm (0.780 in) ±1.4 mm (0.055 in)

NOTE:

When replacing electric controlled coupling assembly, stud bolts are not required to be installed.

Install propeller shaft. Refer to Removal and Installation.

Refill gear oil to the final drive. Refer to Refilling.

Perform inspection and adjustment after installation. Refer to Inspection and Adjustment.

INSPECTION AFTER INSTALLATION

Check final drive for leaks.

Check oil level. Refer to Inspection.

ADJUSTMENT AFTER INSTALLATION

When replaced electric controlled coupling, perform writing unit characteristics. Refer to Description.