How to Repair a Windshield Washer

Diagnosis and repair are easy, cheap and fast.

Introduction

Windshield washers are fairly reliable. When they fail, it'southward usually the event of a clogged nozzle or a dead pump. Hither's how to diagnose and fix both bug.

Tools Required

Materials Required

  • Dielectric silicone grease
  • Washer fluid
  • Washer pump

Project step-by-pace (5)

Step 1

Bank check the Fuse

With the car parked in a quiet identify, operate the window washer and listen for the whirring of the pump.

  • If at that place'southward no sound, caput right for the fuse box.
  • If the fuse is diddled, it'due south commonly a sign of a dead pump motor or 1 that's set to bank check out. If it blows again, replace the motor.

Step 2

How to Find the Fluid Reservoir and Pump

Most machine manufacturers mount the washer pump near or inside the washer fluid reservoir. To locate your reservoir, only follow the windshield washer hose. If your reservoir is in the engine compartment, access is uncomplicated. Merely many are hidden inside the front fender. Remove the wheel and the bike line fender liner. And then you lot'll take admission to the reservoir and pump.

Find the windshield washer fluid reservoir diagram

Footstep 3

Clear Clogged Windshield Washer Nozzles

Articulate the clogged windshield washer nozzle with a pin, then use compressed air to accident the debris backward through the hose.

  • If you hear the pump going just don't go fluid, y'all probably have chock-full windshield washer nozzles.

Lift the hood and trace the washer hose from the nozzles dorsum to the reservoir.

  • Somewhere along the route, you'll find a plastic spinous connector or a circular 1-style cheque valve. Disconnect the tubing in that location and try the washer again.
  • If fluid squirts out, you know the nozzles are plugged. Clean the nozzles by pushing a modest pin in to loosen whatsoever droppings, then blow the clog back down the hose and out the end that you disconnected.

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Stride 4

Bank check Ability

If the fuse is good only the pump doesn't run, disconnect the connector at the pump and cheque for power with a volt meter.

  • With the washer switch on, it should read 12 volts. If you don't hear the pump and the fuse is OK, the problem is usually a poor electrical connection at the pump or a bad pump.

Remove the pump wire connector and have a friend operate the pump switch while you check for 12 volts with a digital meter at the connector.

  • If you lot don't have voltage, the problem is probably in the washer switch or the wiring. That'south the fourth dimension to accept the vehicle to a pro.
  • If you have voltage, clean the terminals and coat them with dielectric silicone grease.

Try the pump over again. If it works, your problem is solved. If information technology doesn't, replace the pump. The chief cause of pump failure is repeatedly running the motor while the reservoir is empty. So try to keep your reservoir total to avoid dealing with replacing a bad one.

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Check power with a washer pump connector

Step 5

Replace the Washer Pump

Pull out the former pump and supercede information technology with a new 1, following the replacement procedures packaged with your new washer pump.

  • Cheque with an auto parts store for a "directly-fit," not a universal-mode replacement. If one isn't available, purchase i directly from the dealer.
  • If your reservoir is located inside the engine compartment, remove the retaining clips and lift out the unabridged unit of measurement and remove the washer pump.
  • If it's in the bike well, just remove the pump. Some pumps are held in place by a rubber grommet, others with retaining rings or clamps. Follow the instructions included with your new pump for installation advice.

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Originally Published: October xv, 2022