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Dorman Introduces Aluminum Heater Hose Repair Kit

Dorman HVAC Heater Hose Connectors are made to resist brittleness, cracking and coolant leaks. The hose is designed to withstand extreme temperatures from the engine’s coolant for long-lasting durability. Additionally, the Y-connector material is upgraded from plastic to aluminum to prolong the service life of the part.

Air Conditioning Changes In 2017

As vehicle owners in many parts of the country begin using their air conditioning systems for the first time this year, some will be surprised to find their A/C system is not functioning properly or isn’t blowing out cold air like it used to.

ac compressor featured
VIDEO: R1234yf A/C Update

Andrew Markel answers questions about the new refrigerant, R1234yf. Sponsored by MAHLE.

HVAC: A/C Update For R1234yf Refrigerants

The benefit of R1234yf is simple. The new refrigerant lasts only 11 days in the atmosphere compared to 13 years for R134a. This is why the EPA is requiring

Jeep Tech Tip: Poor A/C Performance

Some Jeep Liberty and Nitro owners may complain that A/C performance is poor and that the A/C is not cooling enough or fails to keep the passenger compartment cool. This update will provide customers with improved A/C performance.

Jeep AC performance
GM: Eliminating Air Conditioning Odor

Models: 2014 and prior GM passenger cars and trucks Some customers may comment about musty odors emitted from the HVAC system at startup in hot, humid conditions. Cause This condition may be caused by condensate buildup on the evaporator core, which doesn’t evaporate by itself in high humidity conditions. The odor may be the result

GM Air Conditioning odor
Refrigerant Revolution: What R-1234yf Means for Service, Equipment, Safety

The new R-1234yf refrigerant is more than just a new jumble of numbers and letters on a label. For your shop, R-1234yf means several new procedures, a certification and new equipment in order to properly handle these new systems. Why the difference in handling and servicing R-1234yf systems versus R-134a? The reason is flammability. Don’t

r1234yf vehicle service
A/C Oil Service: Avoid Compressor Failure With Proper Maintenance

HVAC systems often fail because the air conditioning compressor fails. Not following the proper service procedures or compressor oil recommendations could be factors that contribute to premature compressor failure. Refrigerant Since the mid-‘90s, all vehicles have been using R-134a refrigerant, but soon, vehicles will arrive at your shop equipped with R-1234yf refrigerant. This is the

AC Oil Compressor failure
Saturn HVAC Performance Issue: Noise Concern

Condition Some customers may comment that the vehicle’s A/C is not cooling or is not cold enough and/or the A/C compressor is noisy. Correction Do not replace the A/C compressor. For concerns of A/C system noisy during slow parking lot maneuvers, replace the HVAC hose with suction line (P/N 20757021 or aftermarket equivalent). For concerns of A/C

Saturn Outlook hestitation at high mph
HVAC Sensors: More Than Just Temperature

When a driver sets a temperature in the control head of an HVAC system, what does it mean to the vehicle? Seventy-two degrees could mean many different settings depending on the outside temperature, humidity and even the position of the sun. When a passenger decides that 70 degrees is a better temperature for their zone,

HVAC air circulation