how to fix the rear wiper on Volkswagen Tiguan First Generation (2007-2018)

Volkswagen Tiguan First Generation (2007-2018)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

540 words

Problem Statement

Learn how to diagnose and fix rear wiper issues on Volkswagen Tiguan (2007-2018). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow the vehicle to cool before removing any components.

Symptoms

•Rear wiper does not operate at all
•Rear wiper operates intermittently
•Wiper motor makes a grinding noise
•Wiper arm moves slowly or sluggishly
•No fluid dispensed while wiper is in use

Diagnostic Steps

1
Check the rear wiper fuse in the fuse box for continuity.
2
Inspect the wiper arm for any physical obstructions or damage.
3
Test the rear wiper switch for proper function using a multimeter.
4
Measure voltage at the wiper motor connector while the switch is activated.
5
Remove the wiper motor and inspect it for any signs of wear or damage.
6
Check for any blocked washer fluid lines if fluid is not dispensing.

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

•Socket set
•Multimeter
•Flathead screwdriver
•Torque wrench

Parts Required

•Rear wiper motor (if found faulty)
•Wiper blade replacement (if needed)
•Rear wiper fuse (if blown)

Related Faults

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Diagnostic Steps

1
Check the rear wiper fuse in the fuse box for continuity.
2
Inspect the wiper arm for any physical obstructions or damage.
3
Test the rear wiper switch for proper function using a multimeter.
4
Measure voltage at the wiper motor connector while the switch is activated.
5
Remove the wiper motor and inspect it for any signs of wear or damage.
6
Check for any blocked washer fluid lines if fluid is not dispensing.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle battery to avoid electrical shock.

Tools Required:

Socket set
Multimeter
Flathead screwdriver
Torque wrench

2. Check and Replace Fuse

Locate the fuse box: usually under the dashboard or near the driver's side.
Identify the rear wiper fuse (refer to the owner's manual for the exact location).
Remove the fuse and inspect it; replace it if it is blown.

3. Inspect and Remove the Wiper Arm

Use a flathead screwdriver to gently pry off the plastic cover at the base of the wiper arm.
Remove the nut securing the wiper arm using a socket wrench.
Carefully lift the wiper arm off the spindle, being cautious not to damage it.

4. Remove and Test Wiper Motor

Locate the wiper motor, usually found at the rear of the vehicle under the trim.
Disconnect the wiring harness from the motor.
Remove the mounting bolts using a socket wrench.
Carefully take out the wiper motor.

5. Inspect and Repair or Replace Motor

Check the motor for corrosion or damage. If damaged, replace it with a new one.
If the motor is operational, clean the connectors and apply dielectric grease to prevent corrosion.

6. Reassemble Components

Reinstall the wiper motor and secure it with the mounting bolts. Torque to manufacturer specifications (check service manual).
Reattach the wiper arm and secure it with the nut. Reinstall the plastic cover.
Reconnect the battery.