Cavalry Air Launches Into The Aftermarket; Offers Complete Line Of Temperature Control Products
Attendees of the 2013 Mobile Air Conditioning Society (MACS) annual trade show, being held Feb. 7-9 in Orlando, Fla., will see a new name on the scene this year. New temperature control products supplier Cavalry Air will introduce itself to the industry at the MACS event later this month.
Tech Tip: Cold Temps Set DTC On Some GM Vehicles
Some GM customers may find that their vehicle’s malfunction indicator lamp (MIL) illuminates after starting the vehicle when using the engine coolant heater in very cold ambient temperatures.
A/C Update: The Case Against HFO-1234yf ‘Heats Up’
Volkswagen follows Daimler’s lead in its pushback against A/C refrigerant R-1234yf.
Tech Tip: Mazda Leak From Rear Heater Pipe
During winter driving, especially in the 23 “Salt Belt” states, water containing salt may accumulate in the black plastic pipe cover and/or the brackets of the wheel housing. This may cause corrosion and perforation of the rear heater pipe, resulting in coolant seepage from the rear heater pipe.
A/C Update: R-134a Retrofits Still An Option – At The Right Price
On older vehicles equipped with R-12 systems, is it better to perform a retrofit or is it better to repair the OEM A/C system back to its original form?
Tech Tip: Honda Fit’s HVAC Blower Motor Works Only On High Speed
Applies To: 2009-’10 Fit – All 2011 Fit – From VIN JHMGE8…B5000001 through JHMGE8…B5000012 2011 Fit – From VIN JHMGE8…BC000001 through JHMGE8…BC012605 Symptom: The HVAC blower motor works only on high speed. Probable Cause: Excessive current draw from the HVAC blower motor causes the blower resistor to fail. Corrective Action: Replace the HVAC blower motor
DENSO Develops Cold Storage Evaporator that Limits the Rise in Cabin Temperature During an Idle Stop
DENSO Corp. has developed a Cold Storage (CS) Evaporator, which limits the increase in vehicle cabin temperature during an idle stop when stop/start technology is employed. The newly developed CS Evaporator is equipped with a cold insulator, located in the heat exchanging area, which stores cold energy to be used to cool in-vehicle cabin air while the engine and air-conditioning cycle is off in the idle-stop state.
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
New Part Numbers Available for Standard and Intermotor Brands
Standard Motor Products (SMP) has announced the addition of 511 new part numbers to its Standard and Intermotor engine management product lines during the month of June. This makes a total of 1,597 new part numbers year-to-date, the company said.
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.
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.