How to Repair a Cracked Windshield Washer Reservoir

by

If your vehicle’s windshield washer reservoir is cracked, it can lead to leaks and reduced cleaning effectiveness. Repairing or replacing the reservoir promptly ensures clear visibility and safe driving conditions. This guide provides step-by-step instructions on how to repair a cracked windshield washer reservoir.

Tools and Materials Needed

  • Replacement windshield washer reservoir (if needed)
  • Epoxy or plastic welding kit
  • Screwdrivers
  • Pliers
  • Cleaning supplies (rags, alcohol)
  • Gloves and safety glasses

Step-by-Step Repair Process

1. Safety Precautions

Before starting, ensure the vehicle is turned off and cooled down. Wear gloves and safety glasses to protect yourself from sharp edges and chemicals.

2. Locate and Inspect the Reservoir

Open the hood and find the windshield washer reservoir. Examine the crack carefully to assess its size and location. If the crack is small, repair may be possible; larger cracks might require replacement.

3. Drain the Reservoir

Remove the reservoir from the vehicle if necessary. Drain any remaining washer fluid into a suitable container for reuse. Clean the reservoir with alcohol and a rag to remove dirt and oil.

4. Apply the Repair

If using epoxy, mix it according to the manufacturer’s instructions. Apply the epoxy or use a plastic welding kit to seal the crack thoroughly. Ensure the repair area is covered evenly and smooth out any excess.

5. Allow the Repair to Cure

Let the repair cure for the recommended time, usually several hours or overnight. Do not fill the reservoir with fluid until the repair has fully set.

Reinstall and Test

Reinstall the reservoir in the vehicle if you removed it. Fill it with washer fluid and run the windshield washer system to check for leaks. If the repair holds, you’re ready to drive safely.

When to Replace the Reservoir

If the crack is extensive or the reservoir is brittle and deteriorated, repairing may not be effective. In such cases, replacing the reservoir is the best option to prevent future leaks and ensure proper windshield cleaning.