Warning Signs of a Failing Washer Reservoir Assembly
- Low washer fluid warning light stays on even after filling the reservoir.
- Washer fluid leaks from under the vehicle, especially near the front.
- Washer fluid doesn't spray onto the windshield when activated.
- The washer pump makes a strange noise or doesn't work at all.
Testing the Washer Reservoir Assembly
- Check the fluid level: Make sure the reservoir is full.
- Inspect for leaks: Look for cracks or damage on the reservoir and hoses.
- Test the pump: Listen for the pump motor when activating the windshield washers. If you don't hear it, the pump may be faulty or not getting power.
- Check the hoses: Make sure the hoses are connected properly and not clogged. Disconnect the hose at the nozzle and try activating the washer pump to see if fluid comes out of the hose.
- Inspect the pump connector: Check the electrical connector to the pump for corrosion or damage.
Common Failure Causes
- Cracks in the reservoir due to age or impact.
- Leaks around the pump or hose connections.
- Clogged washer pump filter.
- Failed washer pump motor.
- Damaged or disconnected hoses.