my Ford Explorer's rear end is making noise when driving what is it

Solution

1. Preparation

• Tools Required: Floor jack, jack stands, wheel chocks, socket set, torque wrench, stethoscope.
• Ensure the vehicle is parked on a level surface and the parking brake is engaged.

2. Inspect Differential Fluid

• Remove the fill plug from the differential housing.
• Check fluid level; it should be at the bottom of the fill hole.
• If necessary, drain the fluid into a clean container to inspect for metal shavings or debris.

3. Replace Differential Fluid (if contaminated)

• Parts Required: New differential fluid (check owner’s manual for specifications).
• Refill the differential with the appropriate fluid until it reaches the proper level.
• Replace the fill plug and torque to manufacturer specifications.

4. Inspect Rear Axle Components

• Raise the rear of the vehicle using a floor jack and secure with jack stands.
• Remove the rear wheels to access brake components.
• Inspect the wheel bearings, axle shafts, and differential for any signs of wear or damage.
• Replace any worn or damaged components as necessary.

5. Test Drive

• Lower the vehicle and conduct a test drive to verify that the noise has been resolved.
• Pay attention to the conditions under which the noise occurs to ensure the issue is fully addressed.