air conditioning Archives - Page 2 of 2 - UnderhoodService
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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Spring A/C Repair Do’s and Don’ts

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 the past summer.

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Underhood Update On R-1234yf Refrigerant

If you haven’t had a lot of experience dealing with R-1234yf in your shop yet, get ready. You’re going to steadily be seeing a lot more of this refrigerant in the coming years. Underhood Service talked with ASE Executive Director of Special Projects Dave Cappert about R-1234yf updates and best practices techs need to know to be able to service these vehicles before one catches you off guard.

2013 GMC Acadia Dash Detail
GM: Eliminating Air Conditioning Odor

Models: 2014 and prior GM passenger cars and trucks Some customers may comment about musty odors emitted from the HVAC system at startup in hot, humid conditions. Cause This condition may be caused by condensate buildup on the evaporator core, which doesn’t evaporate by itself in high humidity conditions. The odor may be the result

GM Air Conditioning odor
A/C Oil Service: Avoid Compressor Failure With Proper Maintenance

HVAC systems often fail because the air conditioning compressor fails. Not following the proper service procedures or compressor oil recommendations could be factors that contribute to premature compressor failure. Refrigerant Since the mid-‘90s, all vehicles have been using R-134a refrigerant, but soon, vehicles will arrive at your shop equipped with R-1234yf refrigerant. This is the

AC Oil Compressor failure
Saturn HVAC Performance Issue: Noise Concern

Condition Some customers may comment that the vehicle’s A/C is not cooling or is not cold enough and/or the A/C compressor is noisy. Correction Do not replace the A/C compressor. For concerns of A/C system noisy during slow parking lot maneuvers, replace the HVAC hose with suction line (P/N 20757021 or aftermarket equivalent). For concerns of A/C

Saturn Outlook hestitation at high mph