Symptoms of a failing headlight washer pump typically include:

• Lack of Washer Fluid Dispensing: The most obvious sign is when you activate the headlight washer system and no fluid is sprayed onto the headlights.
• Weak Spray: If the pump is failing, you might notice a decrease in the pressure of the washer fluid spray. It may come out in a weaker stream or not reach the headlights adequately.
• Unusual Noises: A failing pump might produce unusual noises when activated, such as grinding, whining, or buzzing sounds. These noises indicate internal

If you experience any of these symptoms, it's advisable to check your pump.