how to fix the rear wiper motor in my Volkswagen Tiguan Second Generation (2018-present)

Volkswagen Tiguan 2nd Gen (2018-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

539 words

Problem Statement

Learn how to diagnose and fix the rear wiper motor in your Volkswagen Tiguan (2018-present). Step-by-step guide with symptoms and tools required.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical components to avoid short circuits.

Symptoms

•Rear wiper does not operate when activated
•Unusual noises from the rear wiper area when switched on
•Intermittent operation of the rear wiper
•Rear wiper motor is excessively hot to touch
•Water streaks on the rear window due to ineffective wiping

Diagnostic Steps

1
Inspect the rear wiper switch for proper function and connection.
2
Use an OBD-II scanner to check for any related error codes.
3
Visually inspect the rear wiper motor and its electrical connections for damage or corrosion.
4
Test the rear wiper motor with a multimeter to confirm it's receiving power when activated.
5
Check the fuse related to the rear wiper motor for continuity and replace if blown.

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 (including 10mm and 13mm sockets)
•Trim removal tool
•Multimeter

Parts Required

•Rear wiper motor (specific to 2018-present Volkswagen Tiguan)
•New wiper arm (if damaged)

Related Faults

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Diagnostic Steps

1
Inspect the rear wiper switch for proper function and connection.
2
Use an OBD-II scanner to check for any related error codes.
3
Visually inspect the rear wiper motor and its electrical connections for damage or corrosion.
4
Test the rear wiper motor with a multimeter to confirm it's receiving power when activated.
5
Check the fuse related to the rear wiper motor for continuity and replace if blown.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the vehicle’s battery to ensure safety while working.
Ensure the vehicle is parked on a flat surface with the ignition off.

2. Remove the Rear Wiper Arm

Use a flathead screwdriver to gently pry off the plastic cover at the base of the wiper arm.
Use a 13mm socket to remove the bolt securing the wiper arm to the motor shaft.
Carefully pull the wiper arm off the shaft; you may need to wiggle it back and forth.

3. Access the Rear Wiper Motor

Open the rear hatch and remove the interior trim panel on the hatch door to access the wiper motor.
- Use a trim removal tool to pop off any clips holding the panel.
- Disconnect any electrical connectors if necessary.

4. Remove the Wiper Motor

Locate the rear wiper motor and disconnect the electrical connector.
Remove the mounting screws (typically 10mm) securing the motor to the vehicle.
Carefully pull the wiper motor out of its mounting position.

5. Install the New Wiper Motor

Position the new wiper motor into place and secure it with the mounting screws.
Reconnect the electrical connector to the new motor.
Reassemble the interior trim panel, ensuring all clips are securely fastened.

6. Reattach the Rear Wiper Arm

Align the wiper arm with the motor shaft and press it back onto the shaft.
Secure it with the 13mm bolt and replace the plastic cover.
Reconnect the battery.