Non-Structural Analysis & Damage Repair Flashcards

Corrosion protection on the inside of a repaired box section is best applied using what?

Answer: Cavity wax through access holes

Cavity wax sprayed through access holes coats enclosed interior surfaces that primer cannot reach.

Before welding near fuel or brake lines, the technician should always do what?

Answer: Remove or shield the lines and disconnect the battery

Lines must be removed or shielded and the battery disconnected to prevent fire and electrical damage.

A pull on a unibody panel that uses multiple anchor points primarily serves to do what?

Answer: Hold the vehicle and counter the pulling force

Multiple anchors hold the vehicle securely and counteract the directional pulling forces.

What does a body technician use to find low and high spots on a smoothed panel?

Answer: A body file or guide coat

A body file or guide coat reveals highs and lows by cutting or leaving paint in the contours.

When replacing a bolt-on fender, corrosion protection should be applied where?

Answer: On mating surfaces and fasteners

Mating surfaces and fasteners trap moisture, so they require corrosion protection during assembly.

Cold straightening of high-strength steel is recommended because heat can do what?

Answer: Reduce the steel's engineered strength

Heating high-strength steel can reduce its engineered strength, so cold methods are preferred.

Which type of plastic repair material is used for flexible bumper covers?

Answer: Flexible two-part adhesive or filler

Flexible repair materials move with the bumper cover and resist cracking under flexing.