Nissan Armada 2025-2026 Service and Repair Manual: Suspension Arm

Exploded View

	Frame		Stopper rubber		Suspension arm
	Axle housing
	: Always replace after every disassembly.
	: N·m (kg-m, ft-lb)

Removal and Installation

REMOVAL

Without Dynamic Digital Suspension and Electronic Air Suspension

Remove tires. Refer to ROAD WHEEL TIRE : Removal & Installation.

Loosen rear lower link mounting nuts (frame side).

Set suitable jack under axle housing.

CAUTION:

• Check the stable condition when using a suitable jack.

• Never damage axle housing.

Remove shock absorber mounting bolts from front lower link. Refer to Removal and Installation.

Remove stabilizer clamp mounting bolts. Refer to Removal and Installation.

Remove shock absorber. Refer to Removal and Installation.

Separate suspension arm from axle housing. Refer to Removal and Installation.

Remove suspension arm mounting bolt, nut, and stopper rubber from frame, and remove suspension arm.

Perform inspection after removal. Refer to Inspection.

With Dynamic Digital Suspension and Electronic Air Suspension

WARNING:

• Jacking up or lift up the vehicle may the vehicle height to go down which cause a personal injury and/or damage to the air suspension component parts. Refer to Precaution for when Jacking and Lifting Up the vehicle with Electronic Air Suspension System.

Start engine.

Turn auto height mode control switch to ON, shift the shift position to N and set to normal height.

Turn OFF the electronic air suspension function. Refer to Operation.

Stop engine.

Lift up the vehicle.

Remove rear tire. Refer to ROAD WHEEL TIRE : Removal & Installation.

Remove wheel sensor and harness connector. Move wheel sensor in a place where it will not interfere with work. Refer to Removal and Installation.

Disconnect shock absorber harness connector.

Support the rear lower link with suitable jack (A) until most horizontal angle with vehicle on the ground.

CAUTION:

• Never damage rear lower link.

• Check the stable condition when using a suitable jack.

• Never lower the suitable jack until installation is completed.

Loosen the air connector and perform air bleeding.

CAUTION:

• Be careful since air flows swiftly from air tube.

• Loosen the air connector slowly.

• Never disconnect the air connector until the air completely bleeds.

Remove air tube together with air connector from air spring .

CAUTION:

• Never damage air connector, air adapter, and air tube.

• When reusing air connector, never remove air tube from air connector.

• If you remove the air tube from the air connector, be sure to replace the air connector.

• Seal remove part using vinyl tape for preventing dirt from getting the remove part.

NOTE:

The air connector can be reused as long as you never remove air tube from air connector.

Remove cylinder body. Hang cylinder body in a place where it will not interfere with work. Refer to Removal and Installation.

CAUTION:

Never depress brake pedal while brake caliper is removed.

Loosen rear lower link mounting nuts (frame side).

Separate rear lower link from axle housing. Refer to Removal and Installation.

Set suitable jack under axle housing.

CAUTION:

• Check the stable condition when using a suitable jack.

• Never damage axle housing.

Remove shock absorber mounting bolts from front lower link. Refer to Removal and Installation.

Remove stabilizer clamp mounting bolts. Refer to Removal and Installation.

Remove shock absorber. Refer to Removal and Installation.

Separate suspension arm from axle housing. Refer to Removal and Installation.

Remove suspension arm mounting bolt, nut, and stopper rubber from frame, and remove suspension arm.

Perform inspection after removal. Refer to Inspection.

INSTALLATION

Without Dynamic Digital Suspension and Electronic Air Suspension

Note the following, and install in the reverse order of removal.

• Perform final tighting of suspension arm (frame side) by the following procedures.

  1. Measure between wheel center and fender arch (A).

     NOTE:

     Note the measurements.

     

  2. Set the wheel chocks on the front tires.

  3. Jack up the rear of the vehicle and set the rigid rack.

  4. Remove the rear tires.

  5. Set suitable jacks (A) on the left and right axle housings . (axle housing ball joint fastening part).

     CAUTION:

     Never damage threaded part of ball joint.

     

  6. Jack up the left and right axle housings until the vehicle no longer floats off the rigid rack (A).

     CAUTION:

     • Never damage axle housings.

     • Check the stable condition when using a suitable jack.

     • Never float the vehicle.

     NOTE:

     Jack up left and right at the same time.

     

  7. Measure between wheel center and fender arch (A).

     CAUTION:

     • Check the measurements are within +20 mm (0.79 in) from step 1.

     • If the measurements are +20 mm (0.79 in) or more, perform step 6 again.

     

  8. Tight the mounting nuts of suspension arm (frame side) to the specified torque. Refer to Exploded View.

• Perform inspection after installation. Refer to Inspection.

With Dynamic Digital Suspension and Electronic Air Suspension

Install suspension arm mounting bolt, nut, and stopper rubber to frame, and install suspension arm.

CAUTION:

Never reuse mounting nut.

Install suspension arm to axle housing. Refer to Removal and Installation.

Install shock absorber to front lower link. Refer to Removal and Installation.

Install stabilizer clamp mounting bolts. Refer to Removal and Installation.

Install rear lower link to axle housing. Refer to Removal and Installation.

CAUTION:

Never reuse mounting nut.

Tighten rear lower link mounting nuts (frame side). Refer to Removal and Installation.

CAUTION:

Never reuse mounting nut.

Install cylinder body. Refer to Removal and Installation.

Install air tube and air connector together to air spring .

CAUTION:

• Never damage air connector and air tube.

• If you remove the air tube from the air connector, be sure to replace the air connector.

• Never let foreign materials entered into parts.

Start engine.

Use CONSULT and fill the inner pressure of air spring to 3.3 bar. Refer to Work Support.

Remove suitable jack from rear lower link.

Use CONSULT and fill the inner pressure of air spring to 3.3 bar. Refer to Work Support.

Install shock absorber harness connector.

CAUTION:

Never twist or pull shock absorber harness, when installing.

Stop engine.

Install rear tire. Refer to ROAD WHEEL TIRE : Removal & Installation.

Lift down the vehicle.

Start engine.

Perform pressure measurements using CONSULT. Refer to Work Support.

NOTE:

Confirm that "Air suspension internal pressure judgement" is OK.

Perform the height sensor calibration using CONSULT. Refer to Work Support.

Use CONSULT and vehicle to the normal height. Refer to Work Support.

Turn ON the electronic air suspension function. Refer to Operation.

Stop engine.

Perform final tighting of suspension arm (frame side) by the following procedures.Measure between wheel center and fender arch (A).

NOTE:

Note the measurements.

Set the wheel chocks on the front tires. Jack up the rear of the vehicle and set the rigid rack. Remove rear tires. Set suitable jacks (A) on the left and right axle housings . (axle housing ball joint fastening part).

CAUTION:

Never damage threaded part of ball joint.

Jack up the left and right axle housings until the vehicle no longer floats off the rigid rack (A).

CAUTION:

• Never damage axle housings.

• Check the stable condition when using a suitable jack.

• Never float the vehicle.

NOTE:

Jack up left and right at the same time.

Measure between wheel center and fender arch (A).

CAUTION:

• Check the measurements are within +20 mm (0.79 in) from step a.

• If the measurements are +20 mm (0.79 in) or more, perform step f again.

Tight the mounting nuts of suspension arm (frame side) to the specified torque. Refer to Exploded View. Install rear tires.

Perform inspection after installation. Refer to Inspection.

Inspection

INSPECTION AFTER REMOVAL

Appearance

Check the following items, and replace the part if necessary.

• Suspension arm and bushing for deformation, cracks or damage.

• Boot of ball joint for cracks or damage, and also for grease leakage.

Ball Joint Inspection

Manually move ball stud to confirm it moves smoothly with no binding.

Swing Torque Inspection

Move the ball joint at least ten times by hand to check for smooth movement.

Hook spring balance (A) at groove. Confirm spring balance measurement value is within specifications when ball stud begins moving.

Swing torque

: Refer to Ball Joint.

• If swing torque exceeds the standard range, replace suspension arm assembly.

Rotating Torque Inspection

Move the ball joint at least ten times by hand to check for smooth movement.

Attach mounting nut to ball stud. Check that rotating torque is within specifications with a preload gauge [SST: ST3127S000 (NI-25765-A)] (A).

Rotating torque

: Refer to Ball Joint.

• If rotating torque exceeds the standard range, replace suspension arm assembly.

Axial End Play Inspection

Move the ball joint at least ten times by hand to check for smooth movement.

Move tip of ball stud in axial direction to check for looseness.

Axial end play

: Refer to Ball Joint.

• If axial end play exceeds the standard range, replace suspension arm assembly.

INSPECTION AFTER INSTALLATION

Without Dynamic Digital Suspension and Electronic Air Suspension

Check wheel alignment. Refer to Inspection.

With Dynamic Digital Suspension and Electronic Air Suspension

• Make sure the electronic air suspension function is turn ON. Refer to Operation.

• Confirm that no warning message is displayed on the information display. Refer to Air suspension warning.

• Perform the self-diagnosis with CONSULT. Check if any DTC is detected. Refer to CONSULT Function.

• Confirm to close the hood.

• Always check for the air leakage with soapy water.

• Check wheel alignment. Refer to Inspection.