Vehicle Dismantling Procedures Flashcards
7 cards from real AARC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Vehicle Dismantling Procedures flashcards as text
What is the recommended procedure for disabling a live airbag inflator that cannot be deployed in-vehicle?
Answer: Follow the vehicle manufacturer's published deactivation or EOL disposal protocol
Manufacturers publish end-of-life (EOL) disposal protocols for inflators, which must be followed to safely neutralize propellant chemicals.
During vehicle dismantling, when should mercury switches be removed and how must they be handled?
Answer: Before crushing or shredding; collected in sealed containers for mercury recycling
Mercury switches must be removed before vehicle crushing and collected separately for certified mercury recycling to prevent environmental contamination.
What is the primary reason refrigerant must be recovered before dismantling an A/C system, even on an inoperable vehicle?
Answer: To comply with CAA Section 608 which prohibits venting refrigerants
Clean Air Act Section 608 prohibits knowingly venting refrigerants and requires EPA-certified technicians to recover refrigerant before system service or disposal.
A dismantler encounters a vehicle with a compressed natural gas (CNG) fuel system. What must be done before cutting begins?
Answer: Bleed down and purge the CNG system using approved procedures before any cutting
CNG tanks hold gas at up to 3,600 psi and must be properly bled and purged by trained personnel before any cutting or grinding near the system.
Which component is considered a 'core' part that typically retains the highest remanufacturing value and requires the most careful removal?
Answer: Alternator, starter, and steering rack
Alternators, starters, and steering racks are high-demand remanufactured cores and must be removed without damage to retain their remanufacturing credit value.
What does the NMVTIS database help auto recyclers verify before purchasing or processing a vehicle?
Answer: Title history including salvage, junk, and theft records
The National Motor Vehicle Title Information System (NMVTIS) provides title brand history including salvage, junk, and theft records to prevent fraud.
When removing a diesel particulate filter (DPF) from a vehicle, what safety concern is unique to this component?
Answer: Extreme retained heat and accumulated carbon soot that can ignite
DPFs accumulate fine carbon soot and can retain significant heat after operation, posing a fire and respiratory hazard during removal.