A/C Archives - Page 12 of 14 - UnderhoodService
Toyota: Insufficient Cabin Cooling

Some 2001-’04 Sequoia and 2000-’04 Tundra vehicles may exhibit a condition where the air conditioning system does not sufficiently cool the cabin. Adjustment of the water control valve is necessary to correct the condition. 2. Inspect the clearance between the water control valve lever and the lever stop. If the lever does not contact the

Behr Hella Service Expands Coverage for A/C and Engine Cooling Replacement Parts Program

Behr Hella Service, a North American joint venture for thermal management between Behr (vehicle air conditioning and engine cooling) and Hella (lighting technology and electronics) has just added more than 40 A/C and engine cooling replacement parts to its growing thermal management parts program.

DENSO Develops World’s First Passenger Vehicle Air Conditioning System Using an Ejector

DENSO Corp. said this week it has developed the world’s first passenger vehicle air conditioning system that uses ejector technology. The ejector, which is a small refrigerant injector, contributes to an overall reduction in power consumption. The system will be installed on the new Prius, introduced by Toyota this month.

Tech Tip: Kia A/C Compressor Bracket Replacement

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.

Improved Training Offered for A/C Technicians

The U.S. Environmental Protection Agency has strengthened technician training and certification requirements for auto air conditioning service. According to the EPA, improper auto A/C servicing can lead to high emissions of potent greenhouse gases, but thanks to industry innovation, the environmental performance of this sector has improved.

Toyota 4Runner Drive Belt Noise Creates Driver Tension

Some Toyota 4Runner drivers may complain of a “squealing” or “chirping” sound from the accessory drive belt when the engine is first started. An improved auto tensioner assembly, flange bolt, V-rib belt and service procedure have been developed to correct the condition.

Tech Tip: Honda Pilot’s Compressor Clutch Has Taken Off

No A/C compressor clutch. The scan tool says A/C off and A/C switch off. There is no air out of the front vents, but the blower motor operates and changes speeds with the front switch.

Tech Tip: Erratic 4Runner Blower Motor

Some Toyota 4Runner owners may complain of a condition where the blower motor speed does not match the HVAC display indication.

A/C Update: The Future of Cool

Editor Ed Sunkin returns from the Mobile Air Conditioning Society Worldwide trade show and convention in February, 2009, with details on the possible future of the U.S. refrigerant segment of the industry — HFO-1234yf. This refrigerant provides a very low global warming potential and many new service and sales opportunities.

Spring Service:The Do’s and Don’ts of A/C Repair

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 the summer past. The following is a recap of common A/C system problems, followed

Spring Service: Do’s and Don’ts in A/C Repair

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 the summer past. The following is a recap of common A/C system problems, followed

Leak Detection: Tooling Up for Leak Detection

Leaks of one kind or another can always be a challenge to find if the leak isn’t obvious. Having the right tools to help you find leaks can save time, effort and reduce the risk of comebacks. So here are some common types of leaks and what kind of equipment you can use to find