If you confirm one of the above vehicles has low airflow coming from the HVAC front air vents due to evaporator freeze-up, and the HVAC unit surface temperature around the evaporator is about 32 degrees Fahrenheit, causing ice to form on the evaporator, follow the Service Procedure in this Tech...
The customer complains of poor or no air conditioning cooling. After further diagnosis, the system is found to be low or empty of a refrigerant charge, but when using an electronic leak detector, no leak can be found. Before replacing parts, perform a nitrogen leak test to confirm the location...
If you encounter a customer complaint that there is water on the front passenger-side floor, there is the possibility that the evaporator drain hose is obstructed. The evaporator drain hose will need to be checked for obstructions and modified.
Customers of some affected vehicles may complain about one or both of the following conditions: 1. Air flow from the HVAC air vents may randomly change direction and/or the temperature may briefly cycle from hot to cold, and then hot again. This condition is caused by the HVAC controller supplying...
The 1994 Saturn A/C compressor, used on vehicle models produced from 1991 to 1994, is a variable displacement rotary vane-type pump. The rotor assembly houses five lightweight vanes that extend outward contacting the cylinder wall, creating the compression area. The compressor has an interior control valve that allows it to...
For more than a decade, Bacal tested Toyota products at the company’s Technical Center and eventually became their lead off-road specialist
Leave it to the OEMs to take a simple system like heating and air conditioning and turn it into an electronic jumble of wiring, sensors and computer components.
If you encounter a customer complaint that there is water on the front passenger side floor, there is the possibility that the evaporator drain hose is obstructed. The evaporator drain hose will need to be checked for obstructions and modified. The evaporator hose was modified in production starting in the...
With the same temperature settings, different temperature air comes from the outlet vents on the driver side and passenger side. The outside outlet vents release warm air, and the inside outlet vents release cool air.
Some 2004-'06 Santa Fe (SM) vehicles may exhibit an overheating engine and inoperative A/C. Inspection of the radiator fan connection finds it is abnormal. A replacement connector is available (E25). This bulletin provides the procedure to replace the radiator fan motor connector with the replacement connector.
