how can I fix the rear window wiper on my Volkswagen Golf MK7 (2015-2019)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface, and the ignition is turned off.
• Disconnect the battery to prevent any electrical shorts.

2. Check and Replace Fuse

• Tools Required: Fuse puller or flathead screwdriver
• Locate the fuse box; refer to the owner’s manual for the exact location of the rear wiper fuse.
• Remove the fuse for the rear wiper using a fuse puller.
• Inspect the fuse for continuity; replace it if blown with a fuse of the same amperage.

3. Test and Replace the Rear Wiper Motor

• Tools Required: Multimeter, socket set
• Reconnect the battery and turn on the ignition.
• Use a multimeter to check the voltage at the rear wiper motor connector while operating the wiper switch.
• If there is voltage but the motor does not operate, remove the wiper arm by unscrewing the retaining nut.
• Unbolt the motor from its mounting and disconnect the wiring plug.
• Install the new motor by reversing the removal steps, ensuring it is secured and properly connected.

4. Check and Clean Wiring Harness

• Tools Required: Wire brush, electrical cleaner, heat shrink tubing
• Inspect the wiring harness that connects to the rear wiper motor for any frayed wires or corrosion.
• Clean any corroded connections with electrical cleaner and a wire brush.
• If any wires are damaged, repair them with solder and use heat shrink tubing for insulation.

5. Inspect and Replace Wiper Arm

• Tools Required: Wiper arm puller (if necessary)
• If the wiper arm is damaged or loose, remove it using the appropriate tool.
• Replace it with a new wiper arm if needed, ensuring it is securely fastened.