Tech Tip: A/C Compressor Bracket Replacement on Kia Sedona
Some 2002-’05 Sedona (GQ) vehicles may exhibit a humming noise and vibration when the A/C is turned on. To address this condition, replace the A/C compressor bracket with P/N 1K52Y 15810FFF.
A/C Service Tools and Equipment Meeting the Latest Requirements
The automotive industry’s constant change means new business and new tools. In light of recent A/C changes, Mike DuBois shares information and suggestions for making tool and equipment-buying decisions to meet new requirements.
A/C Update: Flush Service Guidelines for GM Hybrids
What you may have thought was just another air conditioning system on a similar non-hybrid vehicle will not be the same on a hybrid vehicle. The following article explains flushing procedures and the unique lubricants exclusive to General Motors hybrid vehicles.
MACS Offers Webinar for Section 609 Certification Test Preparation
Auto repair technicians who need to obtain their Section 609 certification and would like to attend a live, instructor-led class can do so via the internet on Friday, April 15, 2011 at 11 a.m. EDT. The approximately 90-minute live webinar will give an overview of the Section 609 requirements. After viewing the webinar, viewers can take the test and mail it back to MACS headquarters.
Mobile Air Conditioning Society 2011 Mobile A/C Training Schedule
The 2011 Mobile A/C Update Clinic is an annual collection of the newest cutting edge service and repair information available to the working technician.
DENSO Sales California Releases New 2011 A/C Compressor and Components Catalog
DENSO Sales California recently announced the availability of its 2011 A/C Compressor and Components Catalog, which incorporates significant improvements to its First Time Fit A/C program.
MACS Offers Two New Training Clinics
The training of technicians in the proper service and repair of mobile air conditioning systems is at the heart of the Mobile Air Conditioning Society’s (MACS) Worldwide mission. MACS offers two new training clinic curriculums for 2011; Mobile A/C System Temperature Testing and the 2011 Mobile A/C Update Clinic.
Tech Tip: Mazda MPV Temperature Difference Between Dash Vents
On some vehicles, the output air temperature may differ between the two center dash air vents (vents on either side of audio system). This condition usually occurs when the HVAC settings are in the following positions: A/C switch ON, in BI-LEVEL or VENT mode, Temperature Control Dial in 1 o’clock to 3 o’clock position (set for warm air).
Tech Tip: Toyota A/C Compressor Won’t Come On
On certain 2003 Toyota Celica GT 1.8L, Vin R, and Corolla 1.8L, Vin R vehicles, the air conditioning compressor won’t work. The likely cause is the computer, harness, magnetic clutch relay or thermistor.
Tech Tip: Engine and A/C Performance Issues on Infiniti QX56 Models
Some Infiniti QX56 owners may complain about the engine or poor performance from their air conditioner. You may find there one or more conditions that are causing the issues.
Volkswagen Tech Tip: Air Conditioning Not Operating Properly
For all Volkswagen models (2000-2004), check the N25 A/C clutch coil after a routine pressure diagnosis. The fan control module may be sending a brief voltage signal to the clutch and shutting it off because of an open or high resistance in the coil circuit.
Tech Tip: Mercedes-Benz A/C Off Light Illuminated, A/C Not Functioning
If you receive customer reports in the above models that the A/C Off light is illuminated and cannot be switched off and the air conditioning is not functional, the Refrigerant Level Temperature Pressure Sensor coding in the AAC unit may need to be set to “INACTIVE.” Follow the below procedure to remedy a specification parameter in the refrigerant level logic circuit.