Tech Tip: Knocking Sound from Cadillac Catera’s A/C Compressor
Some customers may comment on a knocking sound from the air conditioning compressor. This condition may be caused by an internal tolerance stack-up in the compressor.
News Update: Heritage Equity Group Names Executive Council Members
Art Lottes, Leon Viars and Joe Bagwell have been named members of the Heritage Equity Group Executive Council, the company recently announced. The cornerstone of Heritage Equity Group is Beck/Arnley, a full-line foreign nameplate replacement parts company, that it acquired in 2005. Together with Heritage Equity Group owners Max Dull, Patrick Greene and Richard Crawford,
AftermarketUpdate
New Automatic Transmission Fluid for 2006 Cars and Trucks Pontiac, MI — GM, in conjunction with Petro-Canada and Afton Chemical Corporation, have developed a new, improved automatic transmission fluid for all 2006 model year Hydra-Matic automatic transmissions. Developed for factory-fill as RDL-3434 and registered for service fill as DEXRON-VI, the new fluid represents a significant
ASE Launches TechQuiz Online Self-Assessment
The National Institute for Automotive Service Excellence (ASE) has developed a new series of four online self-assessment quizzes to help individuals evaluate their automotive technical knowledge. The new product, called TechQuiz, is quick, convenient and useful for both new and experienced technicians.
ASE Launches TechQuiz Online Self-Assessment
The National Institute for Automotive Service Excellence (ASE) has developed a new series of four online self-assessment quizzes to help individuals evaluate their automotive technical knowledge. The new product, called TechQuiz, is quick, convenient and useful for both new and experienced technicians.
A/C Update: Bad A/C Blowers & Fuses
One component air conditioners and heaters share in common is the blower motor. The blower motor is usually located in the Heating, Ventilation and Air Conditioning (HVAC) housing under the dash. The blower motor spins a squirrel cage fan that delivers both cold and hot air. If the driver wants cold air and turns on
Delphi Expands Support Services, Adds New Interactive Training Programs
The Delphi TechSource iCD program eliminates the challenge of viewing robust content via the Web using standard dial-up connections. The animation and graphics for the program are accessed from a CD as the participant maneuvers through the course via the Web. Users of high speed and dial-up connections can benefit equally from this program.
Tech Tip: Diagnostic Information To Consider Before Replacing an A/C Compressor
A recently completed analysis of air conditioning compressors in General Motors vehicles that had been replaced for noise, vibration and insufficient cooling concerns has indicated a high number of "no trouble found" results.
AC Update: Finding and Fixing Leaks
Finding refrigerant leaks is a major aspect of A/C service. It makes no sense to recharge a leaky system with refrigerant if it will soon leak back out. Ultraviolet dyes can make even the smallest leaks clearly visible. But not all OEMs approve of their use. The domestic OEMs (Ford, GM and Chrysler) all use
Leak Detection: Becoming Your Shop’s Leak Detective
When a customer’s A/C system isn’t cooling well and the refrigerant charge is low, you know the system is leaking. The question is where? Finding refrigerant leaks on today’s vehicles can be a challenge. For one thing, many of the A/C system parts are buried and difficult to reach. Also, most systems today hold much