how to fix the whining noise from power steering pump in Volkswagen Golf MK7 (2015-2019)

Volkswagen Golf MK8.5 (2024-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

654 words

Problem Statement

Learn how to diagnose and fix whining noise from the power steering pump in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with tools and tips.

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 working on any cooling system components.

Symptoms

•Whining or squealing noise when turning the steering wheel
•Stiffness in the steering, especially at low speeds
•Fluid leaks around the power steering pump
•Low power steering fluid level
•Steering wheel vibration during operation

Diagnostic Steps

1
Inspect the power steering fluid level and condition in the reservoir.
2
Check for any visible leaks around the power steering pump and hoses.
3
Use a stethoscope or a long screwdriver to pinpoint the source of the whining noise.
4
Inspect the drive belt for wear or damage.
5
Check for air in the power steering system by turning the steering wheel from lock to lock with the engine running.
6
Scan for any error codes related to the power steering system using an OBD-II scanner.

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
•Torque wrench
•Turkey baster or siphon
•Power steering pump puller (if needed)

Parts Required

•Power steering fluid (CHF 202 or equivalent)
•Drive belt (if replacement is necessary)
•Power steering pump (if replacement is necessary)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the power steering fluid level and condition in the reservoir.
2
Check for any visible leaks around the power steering pump and hoses.
3
Use a stethoscope or a long screwdriver to pinpoint the source of the whining noise.
4
Inspect the drive belt for wear or damage.
5
Check for air in the power steering system by turning the steering wheel from lock to lock with the engine running.
6
Scan for any error codes related to the power steering system using an OBD-II scanner.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is turned off.
Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Replace Power Steering Fluid

Sub-steps:
1. Locate the power steering fluid reservoir.
2. Remove the cap and check fluid level; if low, top up with the recommended fluid (usually CHF 202 or equivalent).
3. If the fluid appears dark or contaminated, proceed to change it.
4. Use a turkey baster or siphon to remove old fluid from the reservoir.
5. Refill with new fluid to the appropriate level.

3. Check and Replace Drive Belt

Tools Required: Socket set, torque wrench
Sub-steps:
1. Inspect the drive belt for signs of wear, cracking, or glazing.
2. If damaged, loosen the tensioner and remove the old belt.
3. Install the new belt following the routing diagram typically found on a sticker in the engine bay.
4. Ensure proper tension and torque the tensioner pulley as per manufacturer specifications.

4. Bleed the Power Steering System

Sub-steps:
1. Reconnect the battery and start the engine.
2. Turn the steering wheel from lock to lock several times to remove any air trapped in the system.
3. Monitor the fluid level in the reservoir and top off as necessary.
4. Check for any leaks during this process.

5. Replace Power Steering Pump (if necessary)

Tools Required: Socket set, torque wrench, power steering pump puller (if applicable)
Sub-steps:
1. Disconnect the power steering hoses from the pump (use a catch pan to collect any leaking fluid).
2. Remove the mounting bolts from the power steering pump.
3. Install the new pump, ensuring to torque bolts to manufacturer specifications.
4. Reconnect hoses and refill the system with the appropriate fluid.