Automotive/Technical Video 3 months ago VIDEO: Updates On HVAC Maintenance Share Tweet Print Email Andrew Markel,authorView bio Bio Recent Posts Popular Posts Stacked Alignment: Solving Lead/Pull ConditionsVIDEO: ECM Alternator Regulation; No More Full Field TestingVIDEO: Belt, Pulley And Tensioner InspectionBrake TSB TrendsVIDEO: Brake Fluid Grades; Too Hot, Too Cold, Or Just Right? VIDEO: Brake Fluid Grades; Too Hot, Too Cold, Or Just Right?VIDEO: Noise Issues On Opposing Piston Brake CalipersVIDEO: ECM Alternator Regulation; No More Full Field TestingVIDEO: Can A Backup Camera Interfere With TPMS Signals?VIDEO: PCV Valve Or Oil Separator? Andrew Markel tackles HVAC maintenance, and how advances in A/C systems are increasing efficiency, and decreasing the margin of error for technicians. Sponsored by Nissan. Video courtesy ImportCar.