Honda Pilot: Rear Differential Pump Motor Removal and Installation

Removal/Installation

1. Rear Differential Fluid - Drain

2. Breather Hose (Rear Differential Pump Motor Side) - Disconnect

3. Rear Differential Pump Motor - Remove

1. Disconnect the connector (A).
2. Remove the rear differential pump motor (B) and the O-ring (C).

4. All Removed Parts - Install

1. Install the parts in the reverse order of removal.

Rear Differential Removal and Installation

Removal

1. Vehicle - Lift

2. Rear Differential Fluid - Drain

3. Muffler - Remove

4. No. 2 Propeller Shaft - Disconnect

5. Connector (Rear Differential Subharness) - Disconnect

1. Disconnect the connector (A) by pushing the lock (B) and pulling the lever (C).
2. Remove the harness clamps (D).

6. Connector (Left side) - Disconnect

Without Suspension Stroke Sensor

With Suspension Stroke Sensor

1. Disconnect the wheel speed sensor connector (A).
2. With Suspension Stroke Sensor: Disconnect the the suspension stroke sensor connector (B).
3. With Suspension Stroke Sensor: Remove the harness clamps (C).

7. Connector (Right side) - Disconnect

1. Disconnect the wheel speed sensor connector (A).
2. Remove the harness clamp (B).

8. Breather Hose - Disconnect

9. Rear Differential Mount Bolt - Remove

1. Support the rear differential with a transmission jack.
2. Remove the rear differential rear mount bolts (A) and the rear differential front mount bolts (B).

10.Rear Differential - Remove

1. Lower the rear differential (A) while pulling both rear driveshaft inboard joints (B) out of the rear differential.

   NOTE:

   • Be careful not to damage the driveshaft ring (C) when prying out the driveshaft inboard joints.
   • Be careful not to damage the oil seals (D).
   • Secure the driveshaft to the body with a nylon strap on both sides.
2. Remove the driveshaft inboard joint set ring (E) on both sides.

Installation

1. Rear Differential - Install

1. Install a new driveshaft inboard joint set ring (A) on both sides.
2. Lift the rear differential (B) up into position.
3. Insert the both rear driveshaft inboard joints (C) into the rear differential until the set ring locks in the groove.

   NOTE: Insert the driveshaft horizontally to prevent damaging the oil seals (D).

2. Rear Differential Mount Bolt - Install

1. Loosen the 14 mm rear differential front mount bolts (A).
2. Install new rear differential rear mount bolts (B).
3. Install new 10 mm rear differential front mount bolts (C).
4. Tighten the 14 mm rear differential front mount bolts.

3. Breather Hose - Connect

4. Connector (Rear Differential Subharness) - Connect

1. Install the harness clamps (A).
2. Connect the connector (B), and lock the connector lever (C).

5. Connector (Left side) - Connect

Without Suspension Stroke Sensor

With Suspension Stroke Sensor

1. Connect the wheel speed sensor connector (A).
2. With Suspension Stroke Sensor: Connect the the suspension stroke sensor connector (B).
3. With Suspension Stroke Sensor: Install the harness clamps (C).

6. Connector (Right side) - Connect

1. Connect the wheel speed sensor connector (A).
2. Install the harness clamp (B).

7. No. 2 Propeller Shaft - Connect

8. Muffler - Install

9. Rear Differential Fluid - Refill

Rear Differential Side Case Oil Seal Replacement

Replacement

NOTE: Unless otherwise indicated, illustrations used in the procedure are for left side.

1. Oil Seal - Remove

NOTE: Be careful not to damage the side case while removing the oil seal.

2. Oil Seal - Install

1. Install a new oil seal (A) even and flush with the machined edge of the side case using the 15 x 135L driver handle and the oil seal driver attachment.

Rear Differential Fluid Pressure Sensor Removal and InstallationRear Door Checker Removal and Installation