how to fix the windshield wipers that only work intermittently in my Volkswagen Golf MK6?

Volkswagen Golf MK7 (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

554 words

Problem Statement

Learn how to diagnose and fix intermittent windshield wipers in Volkswagen Golf MK6. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

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 removing any components near the engine bay.

Symptoms

•Wipers operate only in intermittent mode regardless of the selected setting
•Wipers do not respond when switched to low or high speed
•Wiper motor makes a clicking noise without movement
•Wipers may work after tapping the switch or steering column
•Check engine light may illuminate if related electrical issues are present

Diagnostic Steps

1
Inspect the wiper switch for physical damage or wear.
2
Scan for error codes using an OBD-II scanner to identify any related electrical issues.
3
Check the wiper motor and linkage for any signs of obstruction or damage.
4
Test the wiper relay by swapping it with a similar relay in the fuse box.
5
Verify the condition of the wiper fuse and replace if blown.
6
Check the wiring harness for loose connections or corrosion.

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
•Wiper arm puller
•Socket set
•Screwdriver
•Multimeter

Parts Required

•Wiper motor (if defective)
•Wiper blades (if worn)

Related Faults

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Symptoms

•Wipers operate only in intermittent mode regardless of the selected setting

•Wipers do not respond when switched to low or high speed

•Wiper motor makes a clicking noise without movement

•Wipers may work after tapping the switch or steering column

•Check engine light may illuminate if related electrical issues are present

Diagnostic Steps

1
Inspect the wiper switch for physical damage or wear.
2
Scan for error codes using an OBD-II scanner to identify any related electrical issues.
3
Check the wiper motor and linkage for any signs of obstruction or damage.
4
Test the wiper relay by swapping it with a similar relay in the fuse box.
5
Verify the condition of the wiper fuse and replace if blown.
6
Check the wiring harness for loose connections or corrosion.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle battery to prevent electrical shorts during repairs.

2. Remove the Wiper Arm

Tools Required: Wiper arm puller, socket set.
Use a wiper arm puller to carefully remove the wiper arms from the motor splines.
Note the position of the wiper arms for reinstallation.

3. Access the Wiper Motor

Tools Required: Socket set, screwdriver.
Remove the plastic cowl covering the wiper motor by unscrewing the retaining clips and screws.
Carefully lift the cowl to avoid damaging any clips.

4. Inspect and Test the Wiper Motor

Visually inspect the wiper motor for any signs of corrosion or damage.
Sub-steps:
- Disconnect the motor connector.
- Use a multimeter to test for continuity in the motor.
- Connect the motor directly to a battery to check for operation.

5. Replace Wiper Motor (if defective)

If the motor is found to be faulty, remove the motor by unscrewing its mounting bolts.
Install the new motor in reverse order, ensuring the mounting bolts are tightened to the manufacturer's torque specifications (typically around 8-10 Nm).
Reconnect the motor wiring harness.

6. Reinstall Wiper Arms and Cowl

Position the wiper arms back onto the motor splines in the same location as they were removed.
Press down firmly to secure them.
Reinstall the plastic cowl, ensuring all clips and screws are secure.

7. Final Checks

Reconnect the vehicle battery.
Test the wipers across all settings to ensure proper operation.