why does my Ford Explorer Fifth Generation (2011-2019) make a whining noise

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

613 words

Problem Statement

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

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Allow the engine to cool before touching any components.

Symptoms

•Whining noise increases with engine RPM
•Noise present during acceleration and deceleration
•Possible loss of power steering assist
•Fluctuating battery voltage readings
•Check engine light illuminated (if related to transmission issues)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any stored trouble codes that could indicate the source of the problem.
2
Inspect the power steering fluid level and condition to ensure it is at the proper level and not contaminated.
3
Visually inspect the serpentine belt for signs of wear, damage, or misalignment that could cause a whining noise.
4
Listen to the alternator while the engine is running to determine if the noise is coming from this component, checking for any irregularities in its operation.
5
Check the transmission fluid level and condition to ensure it is at the proper level and not discolored or burned.

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
•Serpentine belt tool
•Power steering fluid
•Transmission fluid
•Funnel

Parts Required

•Power steering fluid
•Transmission fluid
•Serpentine belt
•Power steering pump (if needed)
•Alternator (if needed)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any stored trouble codes that could indicate the source of the problem.
2
Inspect the power steering fluid level and condition to ensure it is at the proper level and not contaminated.
3
Visually inspect the serpentine belt for signs of wear, damage, or misalignment that could cause a whining noise.
4
Listen to the alternator while the engine is running to determine if the noise is coming from this component, checking for any irregularities in its operation.
5
Check the transmission fluid level and condition to ensure it is at the proper level and not discolored or burned.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, serpentine belt tool, power steering fluid, transmission fluid, funnel.
Safety Warnings: Disconnect the battery before working on electrical components. Allow the engine to cool before touching any components.

2. Address Power Steering Issues

Check Power Steering Fluid:
- Remove the power steering fluid reservoir cap.
- Inspect fluid level; if low, top off with the recommended fluid.
Inspect Power Steering Pump:
- Remove the serpentine belt using a serpentine belt tool.
- Inspect the pump for leaks or damage.
- If the pump is faulty, remove it using a socket set and replace it with a new one.

3. Replace Serpentine Belt (if worn)

Remove the Old Belt:
- Use the serpentine belt tool to relieve tension on the belt tensioner.
- Take off the old belt from the pulleys.
Install New Serpentine Belt:
- Route the new belt according to the belt routing diagram.
- Release the tensioner to apply tension to the new belt.

4. Address Transmission Issues (if applicable)

Check Transmission Fluid:
- Locate the transmission dipstick (if equipped).
- Remove the dipstick and check fluid level and condition.
Replace Transmission Fluid:
- If fluid is low or discolored, drain the old fluid using a pan.
- Replace with the recommended transmission fluid, ensuring proper fluid level.

5. Alternator Inspection

Remove Alternator (if necessary):
- Disconnect the battery.
- Remove the serpentine belt from the alternator.
- Unscrew the bolts securing the alternator and disconnect electrical connections.
Install New Alternator (if faulty):
- Position the new alternator and secure it with bolts.
- Reconnect electrical connections and reinstall the serpentine belt.