air conditioning Archives - UnderhoodService
Following AC System Service, How Much Oil Is Needed?

Learn how to determine the correct amount of oil to add when replacing the compressor in an AC system.

A/C System Manifold Gauges

A basic gauge set will have three basic components.

Overcharged A/C Systems

Your customers got hot this summer and recharged their A/C system with a DIY refill. Now what? Here’s what to look for.

Solving Intermittent Overheating

New cooling systems anticipate and influence changes in coolant temperature.

Compressor Oil for R1234yf

Working on R-1234yf systems is not that different from the R-134a variety.

Get your vehicle road trip ready with these summer tips 

Summertime is a great time to take your car out on the open road, but it’s also important to ensure that your vehicle is in tip-top shape. Regular preventative maintenance can help you avoid costly repairs and keep your car running smoothly. Make sure you’re ready with these helpful tips from Delphi Technologies. Chassis The

AC Condensers

The characteristics that make the parallel-flow condenser so efficient are among its major drawbacks as well.

Regular AC Maintenance Helps Prevent Compressor Failure

Not following the proper service procedures or compressor oil recommendations could be factors to early compressor failure.

Solving No Heat Complaints

Here are 10 guidelines for making sure a customers heat functions.

Check the Label Before Replacing A/C Refrigerant

Never attempt to service a car’s air conditioning system without first checking the SAE J639 sticker.

Servicing R1234yf: Are You Ready?

R-1234yf, tabbed the replacement for R-134a, has been in service now for a few years on certain models of vehicles from FCA and GM to several European models.

Air Conditioning Odor Causes And Cures

Air conditioning odors typically result from the uncontrolled growth of bacteria and other microorganisms in the evaporator. Research by independent laboratories has found fungi such as Aspergillus, Cladesporium, Penicillium and others growing on cooling coils and other A/C system areas.