ASE B3 Non-Structural Analysis & Damage Repair

Before beginning a non-structural panel repair, why should a technician first review the vehicle manufacturer's body repair manual?

• AIt guarantees a faster flat-rate time
• BIt lists only the paint codes for refinishing
• CIt eliminates the need to inspect for hidden damage
• DIt specifies approved attachment methods, sectioning locations, and corrosion-protection…

During pre-repair inspection, which method most reliably reveals a slight low spot or wave in a painted body panel?

• ATapping the panel with a body hammer
• BMeasuring the panel thickness with a paint gauge
• CSighting along the panel under reflected light or using a flexible body file (filing) to…
• DChecking the door gaps with a feeler gauge

A vehicle arrives with collision damage to a quarter panel. Tech A says you should document pre-existing damage before starting repairs. Tech B says you should disconnect or protect electronic components near the work area before welding. Who is correct?

• ATech A only
• BTech B only
• CBoth Tech A and Tech B
• DNeither Tech A nor Tech B

What is the primary reason to remove interior trim, sound deadener, and seam sealer from the back side of a panel before welding?

• ATo reduce the vehicle's total weight
• BTo satisfy emissions regulations
• CTo make the panel easier to paint
• DTo prevent fire and toxic fumes and to allow proper weld penetration

Why should the technician identify the substrate (steel grade, aluminum, or plastic) of a damaged part before planning the repair?

• AAll substrates use identical repair and welding procedures
• BSubstrate type only matters for the paint color match
• CDifferent substrates require different repair methods, fasteners, heat limits, and corros…
• DIdentifying substrate is only needed for structural rails

When measuring to determine the extent of non-structural damage, what reference is typically used to confirm a panel's correct position?

• AThe vehicle odometer reading
• BThe vehicle paint code
• CThe price of the replacement part
• DUndamaged symmetrical points on the opposite side of the vehicle and OEM dimensions

Tech A says a small dent with no paint cracking and access from behind is a good candidate for paintless or conventional dent repair rather than replacement. Tech B says any panel with a dent must always be replaced. Who is correct?

• ATech A only
• BTech B only
• CBoth Tech A and Tech B
• DNeither Tech A nor Tech B

What information must be checked before deciding to repair rather than replace a panel made of advanced high-strength steel (AHSS)?

• AThe vehicle's tire pressure specification
• BThe shop's hourly labor rate
• COEM repair restrictions, because many AHSS panels cannot be heated or pulled and must be…
• DThe customer's insurance deductible

Why is it important to inspect for hidden damage behind a visibly damaged bumper cover or fender before estimating repairs?

• AHidden damage rarely affects the repair plan
• BInspecting hidden areas voids the estimate
• COnly the visible cover ever needs repair
• DUnderlying reinforcements, brackets, sensors, or absorbers may be damaged and missed in a…

What is the correct first action when a collision-damaged vehicle equipped with sensors or cameras in repair areas comes in for non-structural work?

• ABegin grinding immediately to save time
• BIgnore the sensors because they are unrelated to body work
• CIdentify ADAS components in the work zone and plan for removal, protection, and required…
• DPaint over the sensors to protect them

Before refinishing a repaired non-structural panel, why must bare metal be treated promptly?

• ABare metal does not need any treatment
• BTreating bare metal slows the repair unnecessarily
• CBare steel is best left untreated for adhesion
• DExposed bare metal begins to oxidize quickly and must be cleaned and primed to prevent co…

What is the purpose of test-fitting a new bolt-on panel before final refinishing and installation?

• ATo verify color match only
• BTo increase the labor time billed
• CTo confirm proper alignment, gaps, and flushness so adjustments can be made before paint
• DTest-fitting is unnecessary for bolt-on panels

Tech A says corrosion-protection materials and locations should be restored to OEM specifications after a repair. Tech B says any general-purpose undercoating may be substituted anywhere without consulting OEM data. Who is correct?

• ATech A only
• BTech B only
• CBoth Tech A and Tech B
• DNeither Tech A nor Tech B

When a bolted fender shows a uniform gap that is too wide along the door edge, what is the correct adjustment approach?

• AForce the door open harder
• BReplace the door immediately
• CAdd body filler to the door edge
• DLoosen the fender mounting fasteners and shift the fender to achieve a uniform specified…

What is the main advantage of replacing a bolted-on panel rather than repairing severe damage to it?

• ABolted panels can never be repaired
• BReplacement is always cheaper than any repair
• CA new bolted panel restores factory contour and corrosion protection and is often faster…
• DBolted panels do not require alignment

When removing a welded outer body panel for replacement, what is the preferred way to separate factory spot welds?

• ACut randomly through the panel with a torch
• BHeat the entire panel red-hot and pull
• CPry the panel off with a large bar regardless of welds
• DLocate and drill or rotary-cut the spot welds so the underlying flange is preserved

A quarter panel is being sectioned per OEM instructions. Tech A says sectioning joints should be placed only where the manufacturer specifies. Tech B says you can cut a sectioning joint anywhere convenient. Who is correct?

• ATech A only
• BTech B only
• CBoth Tech A and Tech B
• DNeither Tech A nor Tech B

What is the function of a weld-through primer when installing a welded replacement panel?

• AIt speeds up the welding arc
• BIt eliminates the need for any other corrosion protection
• CIt protects the bare mating flanges from corrosion while still allowing a sound weld
• DIt is only a decorative coating

After installing a welded replacement panel, why should structural adhesive or seam sealer be applied to mating joints per OEM specs?

• ATo add weight for better ride
• BTo make future removal easier
• CSealer is only for appearance and can be skipped
• DTo restore corrosion resistance, NVH control, and joint integrity at the seam

When adjusting a hood for proper fit, which adjustment corrects a hood that sits too low at the rear corners near the cowl?

• AAdjusting the front bumper position
• BReplacing the hood latch cable
• CAdjusting the rear hood hinges and the adjustable bump stops/cushions
• DLoosening the front fender only

A door is misaligned and contacts the rear quarter when closing. Tech A says check and adjust the door hinges and striker. Tech B says immediately grind the quarter panel to create clearance. Who is correct?

• ATech A only
• BTech B only
• CBoth Tech A and Tech B
• DNeither Tech A nor Tech B

What does "flush" refer to when adjusting body panel fit?

• AThe amount of space between two panel edges
• BThe torque applied to mounting bolts
• CThe color difference between panels
• DAdjacent panel surfaces being level with each other so neither sticks out

When pulling a dent in an accessible steel panel, why is it important to work the metal back gradually rather than with one large pull?

• AGradual pulling is required only on aluminum
• BOne large pull always produces a perfect result
• CWorking metal in stages controls stress relief and reduces stretching and tearing
• DGradual pulling is only for cosmetic preference

What is a stud welder commonly used for in non-structural dent repair?

• ACutting out spot welds
• BMeasuring panel thickness
• CWelding aluminum panels only
• DAttaching pulling pins or pull rings to the outer surface so dents can be pulled without…

Why must adhesive-bonded panels (such as some roof or quarter panels) be installed using the OEM-specified adhesive and bonding procedure?

• AAny household adhesive performs the same
• BAdhesive bonding is purely decorative
• CThe engineered adhesive provides the required bond strength, gap control, and corrosion p…
• DThe adhesive choice only affects drying time

When replacing a welded panel, how should the technician determine the number and spacing of plug welds?

• AUse as few welds as possible to save time
• BWeld only at the panel ends
• CPlace welds randomly along the flange
• DMatch the OEM weld count and pattern, generally replacing each factory spot weld

A new bolt-on fender will not align flush with the door. Tech A says check for damage to the mounting points or hidden structure behind the fender. Tech B says simply add washers as shims and force it. Who is correct?

• ATech A only
• BTech B only
• CBoth Tech A and Tech B
• DNeither Tech A nor Tech B

What is the correct sequence when fitting multiple new panels around a door opening?

• ATighten every panel fully before checking any gaps
• BPaint all panels first, then fit them
• CLoosely fit related panels, set gaps and flush together, then progressively tighten while…
• DFit only one panel and ignore the others

Why is it important to restore foam fillers or baffles inside pillars and rockers when replacing a welded panel?

• AThey are unnecessary and should be left out
• BFoam prevents the panel from being painted
• CFoam only adds undesired weight
• DThey control noise, vibration, and in some designs energy management, and must be replace…

When trial-fitting a welded outer panel before final welding, what is the purpose of clamping and tack welding it first?

• ATo make the final welds unnecessary
• BTo permanently attach the panel in one step
• CTo verify gaps, flush, and contour and allow adjustment before committing to permanent we…
• DTo avoid using any clamps later

A bolt-on panel uses oversized or slotted holes at its mounting brackets. What is the purpose of these holes?

• ATo reduce the part's weight
• BTo mark the torque sequence
• CTo act as drain holes
• DTo allow fore/aft and up/down positional adjustment for proper alignment

What should the technician verify after replacing and aligning a door to ensure proper long-term operation?

• AOnly that the paint matches
• BOnly the door speaker function
• CThat the door opens/closes freely, latches securely, seals against weatherstrip, and gaps…
• DThat the VIN plate is visible

When a replacement quarter panel is welded in place, why must the back side of the welds be cleaned and coated?

• ABack-side coating is never needed
• BCoating the back side prevents proper welding
• CThe back side never sees moisture
• DWelding burns away factory coating, exposing bare metal that will corrode if not recoated

Tech A says you should transfer reusable hardware, brackets, and emblems from the old panel to the new one when applicable. Tech B says all old hardware should be discarded and never reused. Who is correct?

• ATech A only
• BTech B only
• CBoth Tech A and Tech B
• DNeither Tech A nor Tech B

What is the most likely cause if a newly installed bolt-on hood has an even gap at the front but a tight gap at the cowl on one side only?

• AThe paint is too thick
• BThe hood latch spring is weak
• CThe hood is twisted or a hinge/mounting point on that side is misadjusted or damaged
• DThe windshield is cracked

Why should the technician check operation of power and electrical accessories in a replaced door before final assembly?

• AElectrical checks are unnecessary on doors
• BElectrical checks should be done after delivery
• COnly the window needs checking after trim is on
• DWindow, lock, mirror, and speaker function must work and wiring must be routed correctly…

When a welded panel will be sectioned, what type of joint is commonly used at an open butt edge to restore strength per many OEM procedures?

• AA simple lap joint with no reinforcement on any panel
• BAn unwelded slip fit
• CA butt joint with backing or an insert as specified by the OEM
• DA riveted-only joint with no adhesive or weld

What is the benefit of using factory locating features (tabs, holes, notches) when positioning a replacement welded panel?

• AThey are decorative only
• BThey mark where to apply paint
• CThey reduce the need to weld the panel
• DThey help index the panel to its correct factory position quickly and accurately

A deck lid is flush at the latch but stands proud at the rear edge. Which adjustment is most appropriate?

• AAdjusting the rear hood bumpers
• BReplacing the deck lid weatherstrip with a thicker one to mask it
• CAdjusting the deck lid hinges and the latch/striker height plus the rear bumpers/cushions
• DLoosening the rear bumper fascia

Why is it important to protect adjacent painted panels and glass before grinding or cutting a panel for replacement?

• AProtection is optional and rarely needed
• BProtection slows the job with no benefit
• COnly the technician needs protection, not the vehicle
• DGrinding sparks, debris, and heat can pit glass and damage nearby finishes that would the…

When a replacement bolt-on panel's body line does not align with the adjacent panel's body line, what does this most likely indicate?

• AThe panels never need matching body lines
• BBody lines are purely cosmetic and ignored
• CThe panel is mispositioned, the wrong part, or there is hidden structural misalignment
• DThe paint must be applied thicker on one side

What is the purpose of applying cavity wax inside a rocker or pillar after welding in a replacement panel?

• ATo add structural strength to the weld
• BTo make the panel lighter
• CTo improve the paint gloss on the exterior
• DTo coat enclosed interior surfaces and protect them from corrosion where moisture can col…

Tech A says door gaps should be measured at several points along each edge for uniformity. Tech B says a single measurement at one corner is enough to confirm proper fit. Who is correct?

• ATech A only
• BTech B only
• CBoth Tech A and Tech B
• DNeither Tech A nor Tech B

Why should self-piercing rivets (SPR) or specified rivet-bonding be used instead of welding on certain replacement panels?

• ARivets are always faster than any weld
• BRivets eliminate the need for adhesive
• CSome OEM joints, especially on aluminum or mixed materials, are engineered for rivet-bond…
• DWelding is illegal on all body panels

After installing a new welded panel, what is the correct way to verify it matches the original contour?

• AAssume it matches because it is a new part
• BMeasure only the paint thickness
• COnly check it after primer is applied
• DSight the panel under reflected light and check body lines, gaps, and flush against the a…

What is the main reason to avoid excessive heat when straightening a steel outer panel?

• AHeat improves the steel in all cases
• BHeat has no effect on body steel
• CExcessive heat can anneal, distort, and weaken the metal and burn surrounding coatings
• DHeat only matters on plastic parts

When using a hammer and dolly to straighten a dent, what does the "dolly off" (hammer off-dolly) technique accomplish?

• AIt stretches the metal as much as possible
• BIt is used only on aluminum
• CIt only smooths the paint
• DIt works the surrounding high metal down toward the dolly, raising low areas without stre…