why does my Ford Explorer have a strange noise coming from the rear?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

552 words

Problem Statement

Learn how to diagnose and fix strange noise from the rear of your Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before performing any repairs involving electrical components.
•Ensure the vehicle is properly secured on jack stands before working underneath.

Symptoms

•Grinding or squeaking noise when driving
•Clunking sound during acceleration or deceleration
•Noise when turning or going over bumps
•Vibration felt through the rear of the vehicle
•Possible loss of traction or stability

Diagnostic Steps

1
Inspect the rear differential fluid level and condition.
2
Check for any loose or damaged exhaust components.
3
Examine the rear suspension components for wear or damage.
4
Inspect the brake components for signs of wear or malfunction.
5
Test drive the vehicle to replicate the noise while listening for specific conditions that trigger it.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Socket set
•Fluid pump
•Torque wrench
•Jack and jack stands

Parts Required

•Rear differential fluid
•Exhaust hangers or brackets (if needed)
•Brake pads and rotors (if needed)
•Suspension components (if needed)

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Diagnostic Steps

1
Inspect the rear differential fluid level and condition.
2
Check for any loose or damaged exhaust components.
3
Examine the rear suspension components for wear or damage.
4
Inspect the brake components for signs of wear or malfunction.
5
Test drive the vehicle to replicate the noise while listening for specific conditions that trigger it.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a level surface and engage the parking brake.
Disconnect the negative battery terminal for safety.

2. Inspect and Replace Rear Differential Fluid

Sub-steps:
1. Locate the rear differential cover and clean the area around the fill and drain plugs.
2. Remove the drain plug using a socket set and allow old fluid to drain into a container.
3. Replace the drain plug once fluid has fully drained.
4. Remove the fill plug and use a fluid pump to add new differential fluid (consult the owner’s manual for the correct type and amount).
5. Reinstall the fill plug and torque to manufacturer specifications.

3. Inspect and Tighten Exhaust Components

Sub-steps:
1. Visually inspect the exhaust system from the rear to the front, looking for loose brackets or damaged hangers.
2. Tighten any loose bolts or replace damaged hangers as needed.
3. If a damaged component is found, remove the affected part and replace it with a new one.

4. Examine Rear Suspension Components

Sub-steps:
1. Raise the rear of the vehicle using a jack and secure it with jack stands.
2. Inspect the shock absorbers, springs, and control arms for signs of wear or damage.
3. Replace any worn or damaged parts with new components.

5. Inspect and Replace Brake Components

Sub-steps:
1. Remove the rear wheels to access the brake assemblies.
2. Inspect brake pads, rotors, and calipers for wear or damage.
3. Replace any worn brake pads or rotors with manufacturer-recommended parts.
4. Reassemble the brake components and reinstall the wheels.