Pass The ASE Study Guides

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The industry’s most extensive selection of specialized training materials to help you pass your ASE tests… GUARANTEED!

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Motor Age Training On-Demand


In-depth individual video training courses, on-demand, for techs and managers at all levels of skill and experience on a wide variety of automotive subjects.

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Motor Age Training CONNECT

motor age connect

A cutting-edge, highly organized and detailed subscription training program with full course tracks and high production value.

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Complete A/C temperature diagnostics

Available Formats:  Online Training Course | DVD



Online Training Course



Product Details:

MACS A/C Temperature Testing


In order to determine variations in refrigerant charge, MACS’ Steven Schaeber walks you through measuring temperatures from the inlet to the outlet ports on various HVAC components so that A/C malfunctions can be determined. A wide range of related topics are included: identifying sealant and refrigerant; diagnostics for temperature drop, and pre-and post recovery; testing evaporator and condenser temperature, as well s coolant voltage. The tools to conduct temperature testing are also covered. Moreover, case studies on the orifice tube and expansion valve system are presented. 


Online Training Course:

  • Online Training Video - Runtime: 88 minutes
  • Practice test covering topic is included in the online training course
  • Ebook covering topics in online training course 
  • Certificate of completion


  • 88 minutes of run time footage in DVD disc format