how to fix rear window wiper not working on Volkswagen Golf MK5 (2004-2008)

Volkswagen Golf MK8 (2019-2024)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

538 words

Problem Statement

Learn how to diagnose and fix the rear window wiper not working on Volkswagen Golf MK5 (2004-2008). Step-by-step guide with tools and parts required.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Use caution when handling sharp tools and components.

Symptoms

•Rear wiper does not operate when activated
•Wiper motor does not make any noise or movement
•No washer fluid dispensed from the rear nozzle
•Rear wiper arm remains stationary
•Possible blown fuse related to the rear wiper function

Diagnostic Steps

1
Inspect the rear wiper fuse in the fuse box for any signs of blowing or damage.
2
Use an OBD-II scanner to check for any related error codes that may indicate electrical issues.
3
Test the rear wiper switch for proper function using a multimeter.
4
Check for power at the wiper motor connector using a multimeter while the wiper is activated.
5
Inspect the rear wiper motor for signs of damage or corrosion.
6
Verify the operation of the rear washer pump by checking for power and fluid flow when activated.

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

•Multimeter
•Socket set
•Screwdrivers
•Pliers

Parts Required

•Rear wiper motor (if defective)
•Rear wiper switch (if defective)
•Rear wiper fuse (if blown)

Related Faults

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Diagnostic Steps

1
Inspect the rear wiper fuse in the fuse box for any signs of blowing or damage.
2
Use an OBD-II scanner to check for any related error codes that may indicate electrical issues.
3
Test the rear wiper switch for proper function using a multimeter.
4
Check for power at the wiper motor connector using a multimeter while the wiper is activated.
5
Inspect the rear wiper motor for signs of damage or corrosion.
6
Verify the operation of the rear washer pump by checking for power and fluid flow when activated.

Solution

1. Preparation

Gather tools and parts.
Disconnect the negative terminal of the battery to ensure safety.

Tools Required:

Multimeter
Socket set
Screwdrivers
Pliers

2. Inspect and Replace Fuse

Locate the fuse box (typically under the dashboard or near the driver's side door).
Identify the rear wiper fuse using the diagram on the fuse box cover.
Remove the fuse using pliers or a fuse puller.
Inspect the fuse for any breaks in the filament; replace if faulty.

3. Test and Replace Wiper Switch

Remove the steering column cover to access the wiper switch.
Disconnect the wiper switch connector.
Use a multimeter to check for continuity across the switch terminals.
If faulty, replace the wiper switch by removing the screws and installing the new switch.

4. Check and Replace Wiper Motor

Locate the rear wiper motor, typically accessed from the interior hatch area.
Disconnect the motor's electrical connector.
Use a multimeter to check for voltage at the motor connector while activating the wiper switch.
If there is no voltage, the wiring may be faulty; repair as necessary.
If voltage is present but the motor does not work, remove the motor by unscrewing it from the mounting bracket and install the new motor.

5. Reconnect Battery and Test

Reconnect the negative terminal of the battery.
Test the rear wiper and washer function to ensure repair success.