Tag Archives: condenser

A small Δ in airflow = A BIG impact on A/C performance


By Steve Schaeber, MACS manager of service training Proper air flow across the heat exchangers in an air conditioning system is key to its being able to transfer heat efficiently. Problems with air flow can be caused by slow turning … Continue reading

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Letter to the Editor


by Jacques Gordon Dear Jacques, I just received my June 2014 magazine and read your article about A/C Temp Testing right off the bat. I’ve taken numerous A/C classes and read many books and magazine articles, and recently I’ve started … Continue reading

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New products in the mobile A/C universe


Compiled by Jim Taylor, Editor MACS ACtion Magazine Bright Solutions dyes now certified Bright Solutions International, LLC, is very pleased to announce that its A/C dye products have been successfully tested, approved and are now certified to meet the new … Continue reading

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More on the evaporator lawsuit


On Jul 14th, we discussed a lawsuit filed by Kevin O’Shea against Ford Motor Co, alleging that the company offered vehicles that “used an excessive amount of Nocolok flux in the design, manufacture and assembly of the air conditioner system evaporator cores, thereby creating an unreasonable health and safety risk …” According to the complaint, “exposure to and inhalation of the flux is extremely dangerous and can result in the development of several diseases and conditions. Continue reading

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Two types of players


By Paul DeGuiseppi, MACS manager of service training I’ve always contended that there are two types of guitar players. No, I’m not talking about “lead” or “rhythm.” Nor am I talking about “electric” or “acoustic.” When it comes to guitarists … Continue reading

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Condensers


Usually made of aluminum and mounted at the front of the vehicle, condensers are one of the two heat exchangers in a mobile air conditioning system. They are constructed as a series of tubes with fins surrounding the tubes. The fins attached to the tubes increase the surface area exposed to the air.

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Thermostats in your engine cooling system


Thermostats open and close with changes in engine temperature, and sometimes become stuck. If stuck open, the engine never warms up properly and there is little or no heat from the heater. A stuck-open thermostat can also be a cause of poor fuel economy.

Stuck closed, a failed thermostat can cause engine overheating because the coolant
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Notes from the field…a blast from the A/C past


MACS member and board member, Jim Atkinson performed a rescue of a classic ride.
He came upon a 1969 Chevrolet Impala station wagon in Apache Junction, AZ. It is a 350 cid and 300 horsepower.

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Engine cooling airflow, don’t be a spoiler!


Over the last few years, due to trends in styling, many newer cars do not have conventional grills up front. Very often, a closed panel resides, or the hood extends down to where a grill would have been. But all vehicles still depend on air passing through the radiator to provide engine cooling, and also for A/C system operation. Continue reading

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Feelin’ hot, hot, hot…the heater core


The heater core is located inside the passenger compartment of the vehicle, quite often very deeply buried inside or under the instrument panel, or behind some other type of interior trim panel. Some SUVs and vans have two heater cores, a front and a rear. Continue reading

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