why does my Volkswagen Golf MK6 (2009-2014) make a whirring noise when I accelerate

Volkswagen Golf MK7 (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

664 words

Problem Statement

Learn how to diagnose and fix whirring noise during acceleration in Volkswagen Golf MK6. 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

•Always disconnect the battery before working on electrical system

Symptoms

•Whirring noise that increases with acceleration
•Possible vibrations felt through the accelerator pedal
•Noise may vary with engine RPM
•Check engine light may illuminate
•Decreased fuel efficiency

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related issues.
2
Inspect the drive belt for signs of wear or damage.
3
Check the transmission fluid level and condition.
4
Examine the wheel bearings for play or damage.
5
Test the alternator and power steering pump for proper operation.
6
Inspect the exhaust system for any loose components or leaks.

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
•Multimeter
•Jack and jack stands
•Belt tension gauge
•Fluid pump

Parts Required

•New drive belt
•Transmission fluid
•Wheel bearing (if needed)
•Alternator or power steering pump (if needed)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related issues.
2
Inspect the drive belt for signs of wear or damage.
3
Check the transmission fluid level and condition.
4
Examine the wheel bearings for play or damage.
5
Test the alternator and power steering pump for proper operation.
6
Inspect the exhaust system for any loose components or leaks.

Solution

1. Preparation

Gather tools: OBD-II scanner, socket set, multimeter, jack and jack stands, and a belt tension gauge.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the negative battery terminal for safety.

2. Inspect and Replace Drive Belt

Sub-steps:
1. Remove the engine cover if applicable.
2. Locate the drive belt tensioner and use a wrench to relieve tension on the belt.
3. Remove the old belt and inspect the tensioner and pulleys for wear.
4. Install the new drive belt, ensuring it is routed correctly according to the belt diagram.
5. Reapply tension to the belt and recheck alignment.
Tools Required: Socket set, belt tension gauge.

3. Check and Change Transmission Fluid

Sub-steps:
1. Locate the transmission dipstick or fill plug.
2. Check the fluid level using the dipstick; add fluid if low.
3. If fluid is dirty or smells burnt, drain the transmission fluid using a fluid pump.
4. Replace with the correct type of transmission fluid as specified in the owner’s manual.
5. Recheck the fluid level after running the engine.
Tools Required: Fluid pump, socket set.

4. Inspect Wheel Bearings

Sub-steps:
1. Safely lift the vehicle and remove the wheel.
2. Check for play in the wheel bearing by rocking the wheel back and forth.
3. If play is detected, replace the wheel bearing as follows:
  - Remove the brake caliper and rotor.
  - Unbolt the hub assembly and replace the bearing.
  - Reassemble components in reverse order.
Tools Required: Socket set, torque wrench, bearing puller.

5. Test Alternator and Power Steering Pump

Sub-steps:
1. Reconnect the battery terminal.
2. Use a multimeter to check the output voltage of the alternator (should be between 13.8-14.4 volts).
3. Listen for unusual noises from the alternator or power steering pump while the engine is running.
4. Replace either component if they are found to be faulty.
Tools Required: Multimeter, socket set.