air conditioning Archives - UnderhoodService
Solving Intermittent Overheating

New cooling systems anticipate and influence changes in coolant temperature.

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.

VIDEO: A/C Condensers: Don’t Wait Until Spring To Repair

Andrew Markel discusses how you should let your customers know they should not wait until the weather turns to get the A/C condenser repaired on their vehicle. Sponsored by Nissan.

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Robinair Announces New A/C System Capacity Database Updates

The databases 34411-H, 34412-C and 34413-A were developed to provide the most up-to-date information available.

Robinair Introduces Three New Leak Detectors For Finding R-1234yf And R-134a Leaks

Each of the new A/C leak detectors features an audible alarm with a stable, long-life sensor that lasts up to 10 years. Equipped with an automatic calibration and the ability to reset to ambient, the new Robinair leak detectors also include three adjustable sensitivity levels and a low battery indicator.

Air Conditioning Odor Causes

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.

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VIDEO: Battery Drain From Air Conditioning

In the hotter months, your shop may experience a boost in vehicles with dead batteries. Andrew Markel shows you how to prepare. Sponsored by Auto Value and Bumper to Bumper.

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Air Conditioning Changes In 2017

As vehicle owners in many parts of the country begin using their air conditioning systems for the first time this year, some will be surprised to find their A/C system is not functioning properly or isn’t blowing out cold air like it used to.

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