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Nissan Armada 2025-2026 Service and Repair Manual: Side Oil Seal

Nissan Armada 2025-2026 Service and Repair Manual / Transmission & Driveline / Driveline. Front Final Drive: R180a / Side Oil Seal

Exploded View

Side oil seal Front final drive assembly    
: Always replace after every disassembly.

Removal and Installation

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.

REMOVAL

Drain gear oil. Refer to Draining.

Remove both front drive shafts from front final drive assembly. Refer to Removal and Installation.

Remove side oil seal, using oil seal remover (A) (commercial service tool).

CAUTION:

Never damage gear carrier.

INSTALLATION

Using the drifts (A and B), drive side oil seal until it becomes flush with the gear carrier end.

A : Drift [SST: ST30720000 (NI-25405)]
B : Drift [SST: ST27863000 ( — )]

NOTE:

For left side, use drift [SST: ST30720000 (NI-25405)] only.

CAUTION:

  • Never reuse oil seal.

  • When installing, never incline oil seal.

  • Check that the oil seal lip is filled up with grease.

Install both front drive shafts. Refer to Removal and Installation.

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

Perform inspection after installation. Refer to Inspection.

Inspection

INSPECTION AFTER INSTALLATION

Check oil level and final drive for oil leakage. Refer to Inspection.

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