A/C Archives - Page 4 of 14 - UnderhoodService
MACS Announces 2014 MACS Mobile A/C Update Clinic Topics

Working technicians will be educated on a variety of important service and repair topics when they sign up to attend a 2014 MACS Mobile A/C Update clinic.

Tech Tip: The Hybrid Compressor – Know The Difference

HVAC systems differ from one hybrid to the next, and some systems have used a scroll compressor, which can be powered via a belt when the engine is running, or electrically when the engine is off. Most of the newer hybrids have changed to an inverter compressor, which is a high-voltage electrical motor.

Tech Tip: Mercedes-Benz Noises, Vibration At Steering Wheel With A/C Switched On

If you receive customer reports on Model 209.372/472 vehicles of a groaning noise and vibration felt in the steering wheel at engine speeds between 800 and 2,000 rpm and with the A/C on, the cause may be the transfer of vibration from the A/C compressor through the high-pressure power steering hose to the steering wheel.

Four Seasons Adds A/C Compressor Installation Video To YouTube Channel

Four Seasons has added its A/C compressor installation video to its YouTube channel in an effort to provide professional technicians with educational opportunities to help maximize their time. The training video provides an overview of the various steps involved in replacing a mobile air conditioning compressor.

Directions: SAE Clears The Air On HFO-1234yf A/C Refrigerant

Honeywell has reported that SAE International has deemed its new low-global-warming-potential mobile air conditioning refrigerant – HFO-1234yf – safe for use in motor vehicles. SAE made the recommendation following an expanded and extensive evaluation.

SAE International, Consortium Of 11 Global Automakers Conclude Honeywell’s Low-Global-Warming Refrigerant Safe For Use In Cars

Honeywell has announced that SAE International has concluded that Honeywell’s new low-global-warming-potential mobile air conditioning refrigerant, HFO-1234yf, is safe for use in automobiles after completing an expanded and extensive evaluation.

The Gates Corp. Releases New Aftermarket Parts

The Gates Corp. recently announced the addition of 128 new part numbers covering late-model vehicles to its product lineup. The product release also includes the new PolarSeal II Clamp Assortment and PolarSeal II Male Flareless Assemblies for A/C repair and the DriveAlign HD Tensioner for DD Series Engines.

Selling More AC Work

Here’s a tip that’s particularly effective during the hot summer months! Tell your techs that when they go for a test drive, they should stick a thermometer in the AC outlet. If it’s not as cool as it should be, all that they need to do is write the recorded temperature down on the repair order.

MACS 2013 Mobile A/C Update Clinic Book Now Available

Service shop owners and technicians who were unable to attend a MACS Mobile A/C Update clinic this spring can now purchase the MACS 2013 Mobile A/C Update manual from the Mobile Air Conditioning Society (MACS) Worldwide.

Tech Tip: Mazda Air Intake Selector Mode Switch Failure

Some Mazda6 vehicles may experience an air selector mode switch that will not switch into recirculation mode. This condition may be caused by a lack of continuity in the mode switch.

New DENSO Trilingual A/C Compressor And Components Catalog Now Available

DENSO Products and Services Americas has released its 398-page catalog that covers automotive, light truck and van applications for A/C system elements such as compressors, condensers, drier accumulators, expansion devices and evaporators.

A/C Update: Compressor Inspection May Lead To Worn Clutch Problem

When a customer comes in complaining that their vehicle’s A/C system is working improperly, the problem can stem from a number of things. And the best way to begin any A/C repair is with a thorough inspection of the components. After checking components like the belts, the hoses and the related connections, the next step is a visual inspection of the A/C compressor.