Theory and operation of automotive air conditioning systems. Topics include proper diagnosis and servicing techniques, including recycling and handling of refrigerants and retrofitting of vehicles from R-12 to R-134 A refrigerant. Practical skills developed in a live-work laboratory setting. 3 Credits (2 Lecture - 3 Lab) Prerequisite(s): Placement by Examination or AMT109 and MTH011 or AMT109 and MTH005 or AMT109 and Placement by Examination.