Nissan Armada 2025-2026 Service and Repair Manual: Brake Pad

Exploded View

	Cylinder body		Inner shim cover		Inner shim
	Inner pad		Pad wear sensor		Pad retainer
	Torque member		Outer pad		Outer shim
	: vehicle front
	: N·m (kg-m, ft-lb)
	: 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

WARNING:

Since dust covering the front and rear brakes has an affect on human body, the dust must be removed with a dust collector. Never splatter the dust with an air blow gun.

CAUTION:

• Never depress the brake pedal while removing the brake pads because the piston may pop out.

• If the brake fluid or grease adheres to the brake caliper assembly and disc rotor, quickly wipe it off.

Release the parking brake.

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

Disconnect the parking brake actuator harness connector .

Remove sliding pin bolts .

Remove the cylinder body , and suspend the cylinder body with suitable wire so that the brake hose and the electric parking brake harness will not stretch.

Remove the brake pads, shims and shim covers.

CAUTION:

• Never damage the piston boots.

• Never drop the brake pads, shims and shim covers.

• Remember each position of the removed brake pads.

• Never damage the electric parking brake harness and bracket.

Perform inspection after removal. Refer to Inspection.

INSTALLATION

WARNING:

Since dust covering the front and rear brakes has an affect on human body, the dust must be removed with a dust collector. Never splatter the dust with an air blow gun.

CAUTION:

• Never depress the brake pedal while removing the brake pads because the piston may pop out.

• If the brake fluid or grease adheres to the brake caliper assembly and disc rotor, quickly wipe it off.

Install the brake pads to the torque member.

Using the brake caliper wrench (Commercial Service Tool) (A), rotate the piston clockwise so that the center line between the dent of the piston and the slide pin bolt hole is 90 degree (D).

Align the protrusion of the inner pad with the dent of the piston and attach the cylinder body to the torque member.

CAUTION:

• Do not damage the piston boot.

• When replacing brake pad with new one, check a brake fluid level in the reservoir tank because brake fluid returns to electrical brake control unit reservoir tank when pressing piston in.

NOTE:

When returning the piston, it is easier to push the piston in using a brake caliper wrench (Commercial Service Tool).

Apply rubber grease to the sliding pins, and then install the cylinder body to torque member.

CAUTION:

• Never damage the piston boot.

• When replacing brake pad with new one, check a brake fluid level in the reservoir tank because brake fluid returns to reservoir tank when pressing piston in.

  NOTE:

  Use a brake caliper wrench (commercial service tool) to easily press piston.

Install the sliding pin bolts and tighten it to the specified torque. Refer to Exploded View.

CAUTION:

Never reuse sliding pin bolt.

Connect the parking brake actuator harness connector .

Must be performed additional service when replacing brake pad. Refer to Description.

Depress the brake pedal several times to check that no drag feel is present for the rear disc brake. Refer to Inspection and Adjustment.

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

Inspection

INSPECTION AFTER REMOVAL

• Replace the shims and shim covers if rust is excessively attached.

• Eliminate rust on the pad and the torque member. Replace them if rust is excessively attached.

INSPECTION AFTER INSTALLATION

• Check a drag of rear disc brake. If any drag is found, follow the procedure described below.

  1. Remove brake pads. Refer to Removal and Installation.

  2. Press the pistons. Refer to Removal and Installation.

  3. Install brake pads. Refer to Removal and Installation.

  4. Depress the brake pedal several times.

  5. Check a drag of rear disc brake again. If any drag is found, disassemble the cylinder body and replace if necessary. Refer to Disassembly and Assembly.

• Burnish contact surfaces brake pads and disc rotor after refinishing or replacing brake pads, or if a soft pedal occurs at very low mileage. Refer to Inspection and Adjustment.