A14-047
August 2, 2014
ATB 51986 (1408)
Noise From the Rear Differential
AFFECTED VEHICLES
| Year | Model | Trim | VIN Range |
| 2012-14 | CR-V | AWD Only | ALL |
SYMPTOM
There is a creak or groan from the rear differential upon light acceleration from a stop.
POSSIBLE CAUSES
The electric oil pump motor on the rear differential has too much internal clearance.
CORRECTIVE ACTION
Replace the rear differential pump motor.
PARTS INFORMATION
| Part Name | Part Number | Quantity |
| Rear Differential Pump Motor Kit (includes O-ring and intermediate drive joint) | 41013-R7L-000 | 1 |
REQUIRED MATERIAL
| Part Name | Part Number | Quantity |
| Hard Wall PVC Tubing: 12 inch length, ½ inch ID and 5/8 inch OD, 1/16 inch wall thickness.(commercially available, McMaster-Carr) | 53945K15 | 1 |
WARRANTY CLAIM INFORMATION
The normal warranty applies.
| Operation Number | Description | Flat Rate Time | Template ID | Failed Part Number |
| 2191X1 | Replace rear differential pump motor. | 0.4 hour | 14-047A | 48900-R7L-033 |
Defect Code: 06201
Symptom Code: 04216
Skill Level: Repair Technician
DIAGNOSIS
- Raise the vehicle on a lift, then disconnect the rear differential oil pump motor 2P connector.
- Lower the vehicle.
- Start the vehicle. Apply the brake pedal, put the transmission in gear, and listen for the noise as soon as you release the brake.
- If there is no noise, go to REPAIR PROCEDURE.
- If the noise is still present, this bulletin does not apply. Continue with normal troubleshooting.
REPAIR PROCEDURE
- Raise the vehicle on a lift.
- Disconnect the breather hose from the pump motor breather pipe.
- Remove the harness clip and the harness bracket.
- Remove the rear differential pump motor and the O-ring.
- Cut a 1 ¾ inch length of the hard wall clear PVC tubing and chamfer the newly cut edges.
NOTE: The tubing will be used as a guide to install the new intermediate oil pump drive joint and prevent it from falling into the differential assembly where it cannot be removed.
- Insert the hard wall PVC tube guide you just cut into the oil pump hole and center it over the internal oil pump drive shaft.
- Insert the new intermediate drive joint into the PVC guide as shown.
- With the PVC guide still in place, use a stubby flathead screwdriver to rotate the intermediate drive joint until it fully engages into the internal oil pump drive shaft.
- Carefully remove the guide from the oil pump hole by slowly pulling it straight out.
NOTE: If the intermediate drive joint pulls out of place, it may fall into an area where it cannot be removed without additional differential disassembly.
- Use a small telescoping mirror to verify that the new intermediate drive joint is still in place.
- Align the pump shaft to the new intermediate drive joint. Then install the new rear differential pump motor with a new O-ring and torque the bolts to 12 N∙m (9 lb-ft).
- Connect the connector.
- Install the harness bracket and torque the bolts to 12 N∙m (9 lb-ft). Then install the harness clip.
- Connect the breather hose to the pump motor breather pipe.
END
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