Does High-Pressure Water Gun Car Washing Damage Car Paint?

1 Answers
Ron
07/30/25 6:47am
High-pressure water gun car washing can damage car paint. When using a high-pressure water gun for car washing, excessive water pressure and improper operation can easily cause sand and stones on the car to scrape across the surface, leading to abnormal wear of the paint. If the car paint is already slightly damaged, the high-pressure water gun can enlarge the damage or even wash away wax, crystal coating, or film. Correct methods to protect car paint: Try to park the car in a garage and avoid strong sunlight exposure or excessive rain when parking; Do not dry-wipe the car, as small particles of sand may scratch the paint—always rinse with water; Apply a glaze sealant when the car is newly purchased, and minimize polishing while increasing waxing later; Do not park haphazardly when going out, as blocking the way may provoke others to scratch the paint. Precautions when washing the car: Do not wash the car under strong sunlight; Avoid washing the car in windy or dusty weather; Wait until the engine has cooled down before washing; Do not directly rinse the engine with water to prevent short circuits in the wiring connectors or damage to the vehicle control unit; Wait for the brake discs to cool before washing to prevent deformation or aging due to sudden temperature changes.
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