Skip the auto shop - Our mechanics make house calls

Is It Important to Keep Liquid in the Windshield Washer Reservoir?

Windshield Washer Resevoir

Your car is equipped with a system to clean your windshield if it is dirty, called the windshield washer system. Your windshield washer system includes:

  • Windshield washer fluid reservoir
  • Washer fluid pump
  • Hoses to disperse the fluid
  • Windshield washer nozzles
  • Windshield wiper system

The purpose of washer fluid

While the washer fluid is in the reservoir to be used as it's needed, the fluid also performs another function in the reservoir. The washer fluid is a lubricant for the parts contained, including the washer fluid pump and the hoses. If there is no washer fluid in the fluid reservoir, internal parts of the pump can corrode and the plastic parts can degrade. If the washer fluid pump can’t pump with the same force or if the rubber lines dry and crack from the inside, the washer fluid system may leak, stop working effectively, or stop working completely.

Running the washer fluid pump when there is no fluid in the tank causes extra stress on the pump and will wear it out extremely quickly. If you know you are out of washer fluid, take care not to activate the windshield washers.

Most importantly, if there is no washer fluid in the windshield washer fluid reservoir, you will be unable to clean your windshield if it gets dirty. This can present a huge safety problem if you are driving in conditions where you could get mud or dirt on your windshield. The wiper blades will only smear the mud if you are unable to apply washer fluid to the glass.

Make sure to keep washer fluid in the fluid reservoir at all times.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
Icon-warranty_badge-02

Skip the repair shop, our top-rated mechanics come to you.

At your home or office

Choose from 600+ repair, maintenance & diagnostic services. Our top-rated mechanics bring all parts & tools to your location.

Fair & transparent pricing

See labor & parts costs upfront, so you can book with confidence.

12-month, 12,000-mile warranty

Our services are backed by a 12-month, 12,000-mile warranty for your peace of mind.

Get A Quote

Need Help With Your Car?

Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Fast, free online quotes for your car repair.

GET A QUOTE

More related articles

How Long Does a Vacuum Brake Booster Check Valve Last?
The braking system on your car requires a lot of pressure. The vacuum booster is one of the main sources of this pressure. This booster will take the pressure that...
P0121 OBD-II Trouble Code: TPS "A" Circuit Range Performance Problem
P0121 code definition Throttle Pedal Position Sensor/Switch (TPS) A Circuit Range Performance Problem What the P0121 code means P0121 is a generic OBD-II code which indicates that the Engine Control...
Insurance Requirements for Car Registration in Kentucky
The Kentucky Transportation Cabinet requires that all drivers in Kentucky carry liability automotive insurance, or “financial responsibility” in order to operate a vehicle legally and maintain vehicle...


Related questions

Q: How Do Headlight Wipers Function?

Headlight wipers are small wiper arms and blades that clean the headlight assemblies on select vehicles equipped with such a system. The headlight wipers turn on when the windshield wipers are turned on, and if they are equipped with headlight...

Q: When Should I Fill My Washer Fluid?

The best time to fill your washer fluid is on a regular basis, perhaps once every oil change or service. You should also inspect it when you check your tire pressure or when you stop to fill up. Generally, a...

Q: How do I set the intermittent wipers?

The intermittent wipers allow you to select how frequently the wipers wipe. To set the intermittent wipers, follow these steps: 1. Locate the wiper lever, which protrudes from the right side of the steering column. 2. Push the lever down...