ASE T7 HVAC (Medium Heavy Truck) Practice Questions - ASE T7 - Heating, Ventilation & Air Conditioning (Medium Heavy Truck) Certification Exam

Access More Questions

A medium-duty truck A/C system cools poorly. The technician finds the discharge air at the dash vents is only 15°F below ambient and the high-side pressure is normal. Which is the BEST first diagnostic step?

Verify refrigerant charge weight with a recovery/recharge machine Replace the A/C compressor immediately Replace the receiver-drier and recharge Add one can of refrigerant until vents feel colder

Correct Answer:

Verify refrigerant charge weight with a recovery/recharge machine

Access more questions from this quiz

Continue to ASE T7 HVAC (Medium Heavy Truck) Practice Questions - ASE T7 - Heating, Ventilation & Air Conditioning (Medium Heavy Truck) Certification Exam for more practice questions and the full quiz experience.

Access More Questions