This bulletin applies to 2012-2013 Jeep Grand Cherokee vehicles equipped with air conditioning ATC with dual zone control or ATC with three-zone temperature control, built between Jan. 16, 2012, and Aug. 8, 2012.
This bulletin applies to 2012-2013 Chevy Equinox and Impala vehicles as well as GMC Terrain models, equipped with a V6 engine only. Some customers may comment on an erratic or insufficient cooling when the A/C compressor is turned on. The compressor may not have been torqued properly at the time of assembly, causing a load on the compressor shaft.
In 2014, Fiat Chrysler began filling the air conditioning systems on almost all of its models with R1234yf refrigerant. That same year, General Motors (GM) began using it in the Cadillac XTS. Since then, GM has been gradually switching over its entire line of vehicles to R1234yf, and Ford has also begun using it, too.
Owners of 2012 Chevy Equinox vehicles may complain about insufficient cooling when the A/C compressor is turned on. The A/C compressor may not have been torqued properly at the time of assembly, causing a load on the compressor shaft.
This bulletin applies to 2011 Jeep Wrangler vehicles equipped with a 2.8L engine and air conditioning, built between Jan. 4, 2011, and Jan. 7, 2011.
This bulletin applies to 2011 Volkswagen Routan and other 2000-2011 VW models with A/C and a three-wire G35 pressure sensor.
This bulletin applies to all Honda models equipped with air conditioning. If the left dashboard side vent is warmer than the right side vent with the A/C on, chances are the evaporator core isn’t being flooded with enough liquid refrigerant, causing it to fully vaporize halfway through the core.
If a 2009 Volkswagen Beetle displays a flashing coolant light when the engine is first started cold, do not allow the coolant to warm.
This bulletin applies to BMW E82, E88 (1 Series), E90 and E93 (3 Series) vehicles equipped with the N54 engine and produced up to 2-27-2010. The A/C system may be producing no or minimal cooling output.
If the owner of a 2006 Mercedes-Benz E350 Wagon complains about poor air conditioning operation and replacing the A/C control module does not repair the problem, erasing memory and performing a reset via circuit 30 may resolve the issue.
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