ASE B5 Mechanical & Electrical Components case studies
ASE B5 Mechanical & Electrical Components · Put your knowledge to work in context.
The ASE B5 Mechanical and Electrical Components credential is one of the ASE collision repair and refinish certifications. It recognizes technicians who can diagnose, repair, and replace the mechanical and electrical systems that support a vehicle's body structure after a collision. The exam is intended for working collision technicians, technical estimators, and students preparing for shop-floor responsibility. Content spans cooling, electrical circuits and accessories, brakes, steering and suspension, HVAC, engine/transmission/driveline components, and supplemental restraint systems. The ASE B5 Mechanical & Electrical Components case studies are 5 cases and about 2,731 words.
1Overheat Only in Traffic With A/C On
A 2016 half-ton pickup with a 5.3L V8 and 128,000 miles overheats only in stop-and-go traffic. On a 95°F day with the A/C on, the gauge reaches 235°F; at 60 mph it drops to 210°F.
567 words, about 3 min2Battery Drain After Two Days Parked
A 2018 sedan with 62,000 miles and a 70 Ah AGM battery dies after sitting 48 hours. Battery rest voltage is 12.6V and it load-tests at 610 CCA against a 640 CCA rating.
537 words, about 3 min3Right Front Brake Drag After Pad Replacement
A 2015 SUV with 88,000 miles had front pads and rotors replaced 2,000 miles ago. The owner reports a pull to the right when braking and a burning smell after highway driving.
567 words, about 3 min4A/C Warm at Idle, Cold at Speed
A 2019 compact SUV with 74,000 miles uses R-1234yf. On a 95°F day at 60% humidity, vent temperature is 68°F at idle and 48°F at 2,000 rpm.
541 words, about 3 min5Shudder at 45 mph Under Light Throttle
A 2017 minivan with a 3.6L V6 and 6-speed automatic has 112,000 miles. The owner describes a shudder at 45–50 mph under light throttle, worst when the torque converter clutch engages and after the van is warm.
519 words, about 3 min