A/C
Tech Tip: Jetta’s A/C is Not Working; No Power to the A/C Clutch
Potential causes include malfunctioning A/C switch, air conditioner high pressure sensor, defective fan control module, ground, power and/or throttle basic settings.
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Potential causes include malfunctioning A/C switch, air conditioner high pressure sensor, defective fan control module, ground, power and/or throttle basic settings.
First free webinar scheduled for Thursday, Dec. 10, 2009 at 1 p.m. EST.
Since 1991, MACS has assisted more than 600,000 technicians to comply with 1990 Clean Air Act requirements for certification in refrigerant recovery and recycling to protect the environment.
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...
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 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.
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.
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.
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.
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.
