why does my Ford Explorer Fifth Generation (2011-2019) make a grinding noise when I accelerate

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

540 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix grinding noise during acceleration in Ford Explorer (2011-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Allow the engine to cool before checking fluid levels.
•Ensure the vehicle is securely supported before working underneath.
•Disconnect the battery before working on electrical systems.

Symptoms

•Grinding noise during acceleration
•Vibration felt through the steering wheel or floor
•Decreased acceleration performance
•Unusual smells (burning or metal)
•Possible check engine light illumination

Diagnostic Steps

1
Inspect the transmission fluid level and condition.
2
Check for any error codes using an OBD-II scanner.
3
Visually inspect the driveshaft and universal joints for wear or damage.
4
Examine the CV joints and axle shafts for any signs of damage.
5
Test drive the vehicle while listening for noise location and specific conditions that trigger it.
6
Inspect the wheel bearings for play or damage.

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

•Transmission dipstick
•OBD-II scanner
•Jack stands
•Flashlight
•Lug wrench
•Socket set
•Torque wrench

Parts Required

•Transmission fluid (if low)
•CV joints or axles (if damaged)
•Universal joints (if worn)

Related Faults

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Diagnostic Steps

1
Inspect the transmission fluid level and condition.
2
Check for any error codes using an OBD-II scanner.
3
Visually inspect the driveshaft and universal joints for wear or damage.
4
Examine the CV joints and axle shafts for any signs of damage.
5
Test drive the vehicle while listening for noise location and specific conditions that trigger it.
6
Inspect the wheel bearings for play or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Disconnect the negative battery terminal.

2. Check Transmission Fluid

Sub-steps:
1. Remove the transmission dipstick and check the fluid level.
2. Inspect the fluid color; it should be a bright red and not burnt.
Tools Required: Transmission dipstick
Safety Warnings: Allow the engine to cool before checking fluid levels.

3. Inspect Driveshaft and Universal Joints

Sub-steps:
1. Raise the vehicle securely using jack stands.
2. Visually inspect the driveshaft for any signs of damage or misalignment.
3. Grasp the driveshaft and check for play in the universal joints.
Tools Required: Jack stands, flashlight

4. Examine CV Joints and Axle Shafts

Sub-steps:
1. Remove the wheel and tire assembly on the affected side.
2. Inspect the CV boots for tears or grease leakage.
3. Check the CV joints for looseness or noise when manipulated by hand.
Tools Required: Lug wrench, socket set

5. Check Wheel Bearings

Sub-steps:
1. Lift the vehicle and secure it on jack stands.
2. Grasp the wheel at the 12 and 6 o'clock positions and check for any movement.
3. Spin the wheel and listen for grinding or roughness.
Tools Required: Jack stands

6. Replace Damaged Components

Sub-steps:
1. Replace any damaged CV joints, axles, or universal joints as needed.
2. Ensure all fasteners are torqued to manufacturer specifications.
3. Refill transmission fluid if necessary.
Tools Required: Socket set, torque wrench
Safety Warnings: Ensure the vehicle is securely supported before working underneath.