why does my Ford Explorer Fifth Generation (2011-2019) make a whirring noise when accelerating?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

597 words

Problem Statement

Learn how to diagnose and fix whirring 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

•Ensure the vehicle is on a flat surface and use wheel chocks.
•Disconnect the battery if working on electrical systems.
•Ensure the vehicle is securely supported before working underneath.

Symptoms

•Whirring noise that increases with acceleration
•Possible vibration felt through the steering wheel or floor
•Loss of power during acceleration
•Engine misfire or rough running condition
•Unusual smells (burning or electrical)

Diagnostic Steps

1
Scan for error codes using OBD-II scanner to identify any stored trouble codes that may indicate specific issues.
2
Inspect the serpentine belt for signs of wear, cracking, or damage that could cause noise during acceleration.
3
Check the transmission fluid level and condition; low or dirty fluid can lead to poor transmission performance and noise.
4
Examine wheel bearings and CV joints for signs of wear or damage that may produce a whirring sound while accelerating.
5
Assess the engine mounts for deterioration or failure that could lead to engine movement and noise during acceleration.
6
Test drive the vehicle to replicate the noise and determine if it is consistent at certain speeds or under specific conditions.

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

•OBD-II scanner
•Socket set
•Jack and jack stands
•Fluid pump
•Multimeter

Parts Required

•Serpentine belt
•Transmission fluid
•Wheel bearings
•Engine mounts

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Diagnostic Steps

1
Scan for error codes using OBD-II scanner to identify any stored trouble codes that may indicate specific issues.
2
Inspect the serpentine belt for signs of wear, cracking, or damage that could cause noise during acceleration.
3
Check the transmission fluid level and condition; low or dirty fluid can lead to poor transmission performance and noise.
4
Examine wheel bearings and CV joints for signs of wear or damage that may produce a whirring sound while accelerating.
5
Assess the engine mounts for deterioration or failure that could lead to engine movement and noise during acceleration.
6
Test drive the vehicle to replicate the noise and determine if it is consistent at certain speeds or under specific conditions.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, jack and jack stands, fluid pump, multimeter
Safety Warnings: Ensure the vehicle is on a flat surface and use wheel chocks. Disconnect the battery if working on electrical systems.

2. Inspect and Replace Serpentine Belt

Sub-steps:
1. Open the hood and visually inspect the serpentine belt for cracks and wear.
2. If damaged, remove the tensioner using a socket wrench and take off the old belt.
3. Install the new serpentine belt according to the routing diagram located near the engine bay.
4. Reattach the tensioner and ensure proper tension on the belt.

3. Check and Replace Transmission Fluid

Sub-steps:
1. Locate the transmission dipstick and check fluid level and condition.
2. If low, use a fluid pump to add the correct type of transmission fluid (check owner's manual for specifications).
3. If fluid is dirty, drain the transmission by removing the pan, replace the filter, and refill with new fluid.

4. Inspect and Replace Wheel Bearings

Sub-steps:
1. Jack up the vehicle and remove the front wheels.
2. Spin the wheel hub; listen for grinding or roughness indicating bad bearings.
3. If needed, remove the hub assembly and replace the bearings using a bearing press.
4. Reassemble the wheel and lower the vehicle.

5. Assess and Replace Engine Mounts

Sub-steps:
1. Inspect engine mounts for cracks or separation.
2. If damaged, support the engine with a jack and remove the bolts securing the mounts.
3. Replace with new mounts and torque to manufacturer specifications.
4. Recheck for proper alignment and secure all components.