Red Seal Auto Body Technician Practice Exam 2026 – Complete Test Prep

Question: 1 / 400

What might improper surface preparation lead to in vehicle painting?

Improved adhesion

Increased finish durability

Paint failure and peeling

Improper surface preparation can significantly impact the effectiveness and longevity of a vehicle's paint job. When a surface is not adequately cleaned, primed, or sanded, it creates a barrier that prevents the paint from properly adhering to the substrate. This can result in various issues, including paint failure, bubbling, and peeling.

The paint needs a well-prepared surface to bond effectively; otherwise, environmental factors such as moisture, UV light, and temperature changes can exacerbate the problem, causing the paint to lift away from the surface. Therefore, ensuring proper surface preparation is critical to achieving a durable and long-lasting finish.

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