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my Ford Explorer makes a whining noise when I accelerate what's wrong - Ford Explorer
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/my Ford Explorer makes a whining noise when I accelerate what's wrong

my Ford Explorer makes a whining noise when I accelerate what's wrong

Ford Explorer Fifth Generation (2011-2019)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
571 words

Problem Statement

Learn how to diagnose and fix a whining noise during acceleration in Ford Explorer. 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

  • •Disconnect the battery before working on electrical systems
  • •Allow the engine to cool before starting

Symptoms

  • •Whining noise that increases with acceleration
  • •Possible loss of power during acceleration
  • •Unusual vibrations felt through the steering wheel
  • •Fluctuations in engine RPM
  • •Check engine light may illuminate

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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
  • •Mechanic's stethoscope
  • •Socket set
  • •Fluid pump
  • •Torque wrench
  • •Jack and jack stands

Parts Required

  • •Serpentine belt (if damaged)
  • •Transmission fluid (if low or contaminated)
  • •Wheel bearings (if worn)

Additional Information

Affected Component
Transmission
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
6 items
Parts Required
3 items

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Solution
1. Preparation
  • Tools Required: OBD-II scanner, mechanic's stethoscope, socket set, fluid pump, torque wrench, jack and jack stands.
  • Safety Warnings: Disconnect the battery before working on electrical systems. Allow the engine to cool before starting.
2. Repairing or Replacing the Serpentine Belt
  1. Remove the Serpentine Belt:
    • Use a socket wrench to relieve tension from the tensioner pulley.
    • Slide the belt off the pulleys.
  2. Inspect for Damage:
    • Check the belt for any signs of wear, fraying, or glazing.
  3. Replace if Necessary:
    • Install a new serpentine belt by routing it according to the belt routing diagram.
    • Ensure it is properly seated on all pulleys.
3. Checking and Replacing Transmission Fluid
  1. Check Fluid Level:
    • With the engine running, remove the transmission dipstick and wipe it clean.
    • Reinsert and remove it again to check the fluid level.
  2. Change Fluid if Low or Contaminated:
    • If the fluid is low, add the recommended transmission fluid.
    • If it appears burnt or dirty, perform a fluid change:
      • Drain the old fluid using a fluid pump.
      • Replace with new transmission fluid according to manufacturer specifications.
4. Inspecting and Replacing Wheel Bearings
  1. Lift the Vehicle:
    • Use a jack to lift the vehicle and secure it with jack stands.
  2. Remove Wheel:
    • Take off the wheel to access the hub assembly.
  3. Inspect Bearings:
    • Check for any roughness or play in the wheel bearings.
    • If necessary, remove the hub assembly and replace bearings.
  4. Reassemble:
    • Reinstall the hub assembly and wheel, ensuring all components are torqued to specifications.