Fast and Easy Washer Pump Replacement on 204-2018 Silverado / Sierra.

Introduction

This tutorial provides step-by-step instructions for replacing the windshield washer pump on a 2014 to 2018 GM Silverado, Sierra, or Tahoe. Whether you're experiencing issues with your washer system or simply want to perform preventative maintenance, this guide will help you through the process efficiently.

Step 1: Gather Necessary Tools and Parts

Before starting the replacement, ensure you have all the required tools and parts.

• Tools Needed

  • DEWALT XTREME™ 12V MAX* Brushless Ratchet (optional but recommended)
  • DEWALT XTREME 12V MAX* Cordless Screwdriver
  • Basic hand tools (screwdrivers, pliers)

• Parts Needed

  • ACDelco GM Original Equipment 84518407 Washer Fluid Pump
  • Aftermarket Front Windshield Washer Pump with Grommet

Make sure to check the compatibility of the parts with your specific vehicle model.

Step 2: Locate the Washer Pump

• Open the hood of your vehicle.
• Identify the washer pump, which is typically located near the windshield washer fluid reservoir.
• Take note of the electrical connectors and hoses attached to the pump.

Step 3: Disconnect the Power and Hoses

• Power Connection

  • Carefully disconnect the electrical connector from the washer pump by pulling it straight out.

• Hose Removal

  • Use pliers to pinch the hose clamps and slide them away from the pump.
  • Gently pull the hoses off the pump. Be prepared for some washer fluid to spill out.

Step 4: Remove the Old Washer Pump

• Using your ratchet or screwdriver, remove the screws or bolts securing the washer pump to its mounting.
• Once loose, carefully take out the old pump and set it aside.

Step 5: Install the New Washer Pump

• Position the new washer pump in the same location as the old one.
• Secure it using the screws or bolts you removed earlier.
• Ensure it is firmly mounted to prevent any vibrations or movement while driving.

Step 6: Reconnect the Hoses and Electrical Connector

• Attach the hoses back onto the new pump, making sure they fit snugly.
• Reposition the hose clamps to secure the hoses in place.
• Reconnect the electrical connector to the pump, ensuring a tight fit.

Step 7: Test the New Pump

• Before closing the hood, refill the washer fluid reservoir if needed.
• Turn on your vehicle and test the windshield washer system by activating the washer controls.
• Check for proper operation and listen for the pump running smoothly.

Conclusion

Replacing the windshield washer pump on a 2014 to 2018 GM Silverado, Sierra, or Tahoe is a straightforward task that can be completed in a short amount of time. By following these steps, you can ensure your washer system works effectively, improving visibility during adverse weather conditions. If you encounter any issues during installation, consult your vehicle's manual or seek professional assistance.