Chery A1 2009 Service Manual page 697

Description
All models are equipped with a common Heating, Ventilation and Air Conditioning (HVAC) housing assembly that
combines A/C and heating capabilities into a single unit mounted within the passenger compartment. The HVAC
housing assembly consists of three separate housings:
• HVAC housing — The HVAC housing is mounted to the dash panel behind the instrument panel and contains
the A/C evaporator. The HVAC housing has mounting provisions for the air inlet housing, blower motor and the
air distribution housing.
• Air distribution housing — The air distribution housing is mounted to the rear of the HVAC housing and con-
tains the heater core, blend-air and mode-air doors and door linkage.
• Air inlet housing — The air inlet housing is mounted to the passenger side end of the HVAC housing. The air
inlet housing contains the recirculation-air door and actuator.
Operation
The A/C system is designed for the use of a non-CFC, R-134a refrigerant and uses an A/C evaporator to cool and
dehumidify the incoming air prior to blending it with the heated air. Temperature control determines the discharge air
temperature by operating the temperature control cable, which moves the blend-air door. This allows an almost
immediate control of the output air temperature of the system. The mode door cable operates the mode-air doors
which direct the flow of the conditioned air out the various air outlets, depending on the mode selected. When
equipped with A/C, the recirculation door actuator operates the recirculation-air door which closes off the fresh air
intake and recirculates the air already inside the vehicle. The electric recirculation door actuator and the blower motor
are connected to the vehicle electrical system by the instrument panel wire harness. The blower motor controls the
velocity of air flowing through the HVAC housing assembly by spinning the blower wheel within the HVAC housing at
the selected speed by use of the blower motor resistor, which is located in the dash panel in the engine compart-
ment.
The air distribution housing must be removed from the HVAC housing and disassembled for service of the blend-air
and mode-air doors. The air inlet housing must be removed from the HVAC housing and disassembled for service of
the recirculation-air door. The HVAC housing must be removed from the vehicle and disassembled for service of the
A/C evaporator.
Specifications
Torque Specifications
DESCRIPTION
All General Service Screw
Accumulator Bolts
Condenser Nuts
HVAC Housing Nuts To Front Wall
HVAC Housing Nuts
Pipeline Stent
Refrigerant Lines To A/C Accumulator Nut
Refrigerant Lines To A/C Compressor Bolt
Refrigerant Lines To A/C Evaporator Nut
20
13–
GENERAL INFORMATION
TORQUE (N·m)
2
6
6
4
5
4
6
30
25
Chery Automobile Co., Ltd.