A/C Archives - Page 5 of 13 - Brake & Front End
Visteon Launches ‘Zero Leak’ Fitting on Global Vehicles

A wide range of vehicles going into production this year will be the first to feature a new “zero leak” air conditioning fitting from Visteon Corp.

MACS Worldwide Technician Training Program for (HFO) R-1234yf 
First to Certify to SAE Standard J2845

Taking proactive steps to serve the mobile air conditioning industry, the Mobile Air Conditioning Society (MACS) Worldwide has successfully become the first Section 609 certification provider to certify a new technician training program to SAE J2845 under the SAE J2911 program.

Tech Tip: Volkswagen Has No Power to the A/C Compressor Clutch

Vehicle Application: 2000 Beetle 2.0, 2002 Beetle 1.9, 2002 Golf 1.8, 1999-2003 Golf 2.0, 2000-’05 Jetta 1.8, 1.0, 1999-2005 Jetta 2.0 and 2000-’02 Jetta 2.8 Customer Concern: The A/C is not working. There is no power to the A/C compressor clutch and it does not engage. (Manual climate control.) Potential Causes: A/C Compressor, A/C Pressure

MACS Announces Fall Mobile A/C Boot Camp

The Mobile Air Conditioning Society (MACS) Worldwide has announced the dates for its fall Mobile A/C Boot Camp. The two-day boot camp is scheduled for Friday, Sept. 28 and Saturday, Sept. 29 at the MACS Worldwide training facility in Lansdale, PA (suburban Philadelphia).

Tech Tip: Toyota Highlander’s Heater Goes from Hot to Cold on its Own

A loose control knob potentiometer could cause erratic behavior on a Highlander climate control system.

Directions: When it Comes to A/C Cans, NRDC Gives DIYers the Cold Shoulder

The NRDC argues that cross-contamination of refrigerant will be a problem in future A/C systems and is looking to keep the cans out of the hands of consumers.

Tech Tip: Subaru Excessive A/C System Pressures

If you experience a vehicle with excessive A/C system pressures, did you know you could quickly rule out these easy checks before making any component replacements?

Tech Tip: Mazda Experiences Vibration at Cruising Speeds (55 mph)

Some Mazda vehicles may experience a body vibration when driving approximately 55 mph. This symptom is due to the characteristics of the No. 3 and No. 4 engine mounts.

A/C Update: Risky Business

As you may know, the air conditioning compressors in many hybrid vehicles are operated by an electric motor instead of a drive belt. The motor’s insulated windings are immersed in the compressor’s lubricating oil. The oils used in these compressors are formulated to have high dielectric properties, that makes them non-conductive.

Tech Tip: Acura’s Battery is Dead, A/C Cools Poorly

If a 2007-2011 Acura MDX’s battery dies after the vehicle is parked for a short time or overnight, and/or the A/C system blows warm air, the A/C compressor clutch relay may be stuck closed. The A/C compressor may also be noisy and may be emitting refrigerant vapor from the relief valve.

ACDelco Makes it Easier to Look Up A/C Components

With the automotive air conditioning season heating up, ACDelco is enhancing its online air conditioning catalog so that users can locate all of the major A/C system components for a single vehicle on one screen. When the user identifies a vehicle, all of the needed A/C parts for the job are listed horizontally across the page, in a single look-up. The catalog also has been refreshed to include 2012 model year vehicles.

Directions: Issues on 1234yf Still Up in the Air

There has been a lot of talk about the new HFO-1234yf A/C refrigerant making its way into new vehicles. Some of the misconceptions and rumors about the refrigerant were addressed at the Mobile Air Conditioning Society Worldwide (MACS) convention and trade show in January. One of the biggest concerns techs and shop owners have is which vehicles will have the new system.