2009 CHERY TIGGO heater

Downloaded from www.Manualslib.com manuals search engine SYSTEM PLUMBING
GENERAL INFORMATION13-33
Description 13-33
Operation 13-33
Specifications 13-33
Special Tools 13-34
DIAGNOSIS & TESTING13-35
Mechanical Problems 13-35
Temperature Control 13-35
A/C Compressor Noise Testing 13-35
Refrigerant System Leaks 13-36
Refrigerant System Empty 13-36
Refrigerant System Low 13-36
ON-VEHICLE SERVICE13-37
A/C System Evacuation and Recharge 13-37
Connecting Refrigerant Recovery/
Recycling Station 13-37
A/C System Evacuation 13-38
A/C System Recharge 13-38
Compressor 13-39
Description 13-39
Operation 13-39
Removal & Installation - 1.6L & 1.8L &
2.0L 13-39
Removal & Installation - 2.4L 13-41 Evaporator
13-42
Description 13-42
Operation 13-42
Removal & Installation 13-42
Condenser 13-42
Description 13-42
Operation 13-42
Removal & Installation 13-43
Accumulator 13-43
Description 13-43
Operation 13-43
Removal & Installation 13-43
Liquid Line 13-44
Description 13-44
Operation 13-44
Removal & Installation 13-44
Suction Line 13-45
Description 13-45
Operation 13-45
Removal & Installation 13-45
Heater Core 13-47
Description 13-47
Operation 13-47
Removal & Installation 13-47
13–32Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine DIAGNOSIS & TESTING
Mechanical Problems
Possible locations or causes of insufficient heat:
•An obstructed cowl air intake.
• Obstructed heater system outlets.
• A blend door not functioning properly.
• Trapped air in system.
Temperature Control
If the heater outlet air temperature cannot be adjusted with the temperature control knob(s) on the A/C heater control
panel, the following could require service:
•The A/C heater control.
• The blend door actuator(s).
• The wire harness circuits for the A/C heater control or the blend door actuator(s).
• The blend door(s).
• Improper engine coolant temperature.
A/C Compressor Noise Testing
When investigating an A/C system related noise, you must first know the conditions under which the noise occurs.
These conditions include: weather, vehicle speed, transaxle in gear or neutral, engine speed, engine temperature,
and any other special conditions. Noises that develop during A/C operation can often be misleading. For example:
what sounds like a failed bearing, may be caused by loose bolts, nuts, mounting brackets or a loose compressor
assembly.
NOTE :
The A/C compressor must be replaced if any unusual noise is heard from the compressor itself.
NOTE :
Drive belts are speed sensitive. At different engine speeds and depending upon drive belt tension, drive belts can
develop noises that are mistaken for an A/C compressor noise. Improper drive belt tension can cause a misleading
noise when the compressor is operating at maximum displacement, which may not occur when the compressor is at
minimum displacement.
1. Select a quiet area for testing.
2. Duplicate the complaint conditions as much as possible.
3. Turn the A/C system On and Off several times to clearly identify any compressor noise.
4. Listen to the A/C compressor while it is operating at maximum and minimum displacement.
5. Probe the A/C compressor with an engine stethoscope or a long screwdriver with the handle held to your ear to better localize the source of the noise.
6. To duplicate high-ambient temperature conditions (high head pressure), restrict the air flow through the A/C con- denser. Install a manifold gauge set or a scan tool to ensure that the discharge pressure does not exceed 2600
kPa.
7. Check the condition of the accessory drive belt. NOTE: The A/C compressor must be replaced if the drive hub is broken or if the compressor shaft does not
rotate smoothly.
8. Check the compressor hub and pulley and bearing assembly. Ensure that the hub and pulley are properly aligned and that the pulley bearing is mounted securely to the A/C compressor.
9. Check the refrigerant system plumbing for incorrect routing, rubbing or interference, which can cause unusual noises. Also check the refrigerant lines and hoses for kinks or sharp bends that will restrict refrigerant flow, which
can cause noises.
10. Loosen all of the compressor mounting hardware and retighten. CAUTION: Do not run the engine with a vacuum pump in operation or with a vacuum present within the
A/C system. Failure to follow this caution will result in serious A/C compressor damage.
11. If the noise is from opening and closing the high pressure relief valve, recover, evacuate and recharge the refrig- erant system. If the high pressure relief valve still does not seat properly, replace the A/C compressor.
13
13–35Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 12. If the noise is from liquid refrigerant slugging in the A/C suction line, replace the A/C accumulator and check therefrigerant oil level and the refrigerant system charge.
13. If a slugging condition still exists after replacing the A/C accumulator, replace the A/C compressor.
Refrigerant System Leaks
WARNING!
R-134a service equipment or vehicle A/C systems should not be pressure tested or leak tested with compressed
air. Mixture of air and R-134a can be combustible at elevated pressures. These mixtures are potentially danger-
ous and may result in fire or explosion causing property damage, personal injury or death. Avoid breathing A/C
refrigerant and lubricant vapor or mist. Exposure may irritate eyes, nose and throat. Use only approved service
equipment meeting SAE requirements to discharge an R-134a system. If accidental system discharge occurs,
ventilate work area before resuming service.
NOTE :
If the A/C refrigerant system charge is empty or low, a leak in the A/C system is likely. Inspect all A/C lines, fittings
and components for an oily residue. Oil residue can be an indicator of an A/C system leak location.
NOTE :
The only way to correctly determine if the refrigerant system is fully charged with R-134a is to completely evacuate
and recharge the A/C system.
Refrigerant System Empty
1. Evacuate the refrigerant system to the lowest degree of vacuum possible. Determine if the system holds a vac- uum for 15 minutes. If vacuum is held, a leak is probably not present. If system will not maintain vacuum level,
proceed to STEP 2.
2. Prepare and dispense 0.3 kilograms of R-134a refrigerant into the evacuated refrigerant system and proceed to STEP 1 of the System Low procedure.
Refrigerant System Low
1. Position the vehicle in a wind-free work area. This will aid in detecting small leaks.
2. Operate the heating-A/C system with the engine at idle under the following conditions for at least 5 minutes:Doors or windows open, transaxle in Park or Neutral with the parking brake set (depending on application), A/C-
Heater controls set to outside air, full cool, panel mode, high blower and with A/C compressor engaged.
3. Shut the vehicle Off and wait2-7minutes. Then use an electronic leak detector that is designed to detect R-134a refrigerant and search for leaks. Fittings, lines or components that appear to be oily usually indicate a
refrigerant leak. To inspect the A/C evaporator for leaks, insert the leak detector probe into the drain tube open-
ing or an air outlet. A dye for R-134a is available to aid in leak detection. Use only approved refrigerant dye.
CAUTION:
A leak detector only designed for R-12 refrigerant will not detect leaks in an R-134a refrigerant sys-
tem.
DIAGNOSIS & TESTING
13–36Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 2. A manifold gauge set and an R-134a refrigerant recovery/recycling/charging station that meets SAE standardJ2210 should be connected to the refrigerant system.
3. Open both the suction and discharge valves, then open the charge valve to allow the refrigerant to flow into the system.
4. When the transfer of refrigerant has stopped, close both the suction and discharge valves.
5. If all of the refrigerant charge did not transfer from the dispensing device, open all of the windows in the vehicle and set the heating-A/C system controls so that the A/C compressor is operating and the blower motor is running
at its lowest speed setting. Run the engine at a steady high idle (about 2000 RPM).
6. Open the low-pressure valve to allow the remaining refrigerant to transfer to the refrigerant system.
WARNING!
Take care not to open the discharge (high pressure) valve at this time. Failure to follow this warning could result
in possible personal injury or death.
7. Disconnect the refrigerant recovery/recycling station from the refrigerant system service ports.
8. Reinstall the caps onto the refrigerant system service ports.
Compressor
Description
Vehicles equipped with the 1.6L & 1.8L & 2.0L engine use a SD7V16 clutch-less compressor. The 2.4L equipped
vehicles use a V5 clutch-less compressor. The compressor is a variable displacement compressor. The largest dis-
placement is 161.3 ml/r, displacement range of 5% to 100%.
CAUTION:
DONT run the engine with a vacuum pump in operation or with a vacuum present within the A/C
system. Failure to follow this caution will result in serious A/C compressor damage.
NOTE :
The compressor drive hub and the pulley and bearing assembly cannot be serviced separately from the A/C com-
pressor. In the event of drive hub or pulley and bearing assembly damage or failure, the A/C compressor, drive hub
and pulley and bearing must be replaced as an assembly.
Operation
The A/C compressor is controlled by the Engine Control Module (ECM), depending on engine application. The ECM
calculates compressor displacement required by A/C system load and demand by monitoring vehicle speed, A/C high
side pressure, engine speed, evaporator temperature, accelerator pedal position, ambient temperature and A/C-
Heater request signals. The ECM then sends a pulse width modulated signal to the A/C compressor control solenoid
to increase or decrease refrigerant flow through an orifice located within the compressor housing. The amount of
refrigerant allowed to pass through the orifice in the compressor determines the head pressure which controls the
angle of the swash plate, which in turn, determines the amount of compressor displacement. When there is no
demand for A/C, the swashplate is adjusted to nearly a zero degree angle, which removes compressor torque drag
from the engine.
NOTE :
The A/C compressor cannot be repaired and it must be replaced if found inoperative or damaged. If an internal fail-
ure of the A/C compressor has occurred, the A/C accumulator and the A/C liquid line must also be replaced.
Removal & Installation - 1.6L & 1.8L & 2.0L
WARNING!
Review safety precautions and warnings in this group before performing this procedure. Failure to follow the
warnings and cautions could result in possible personal injury or death.
ON-VEHICLE SERVICE
13
13–39Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine •Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
• Recharge the A/C system (See A/C System Evacuation and Recharge in Section 13 Heating & Air Condition-
ing).
Evaporator
Description
The evaporator core is located in the HVAC housing, under the instrument panel. The evaporator coil is positioned in
the HVAC housing so that all air that enters the housing must pass over the fins of the evaporator before it is dis-
tributed through the system ducts and outlets. However, air passing over the evaporator core fins will only be con-
ditioned when the compressor is engaged and circulating refrigerant through the evaporator coil tubes.
Operation
Refrigerant enters the evaporator from the orifice tube as a low-temperature, low-pressure liquid. As air flows over
the fins of the evaporator, the humidity in the air condenses on the fins, and the heat from the air is absorbed by the
refrigerant. Heat absorption causes the refrigerant to boil and vaporize. The refrigerant becomes a low-pressure gas
before it leaves the evaporator. The evaporator core housing directs airflow from the blower motor through the evap-
orator core and heater core. All airflow from the blower motor passes through the evaporator core. The airflow is then
directed through or around the heater core by the temperature blend door(s).
Removal & Installation
1. Evacuate the A/C system (See A/C System Evacuation and Recharge in Section 13 Heating & Air Conditioning).
2. Remove the expansion valve.
3. Remove the HVAC housing (See HVAC Housing Removal and Installation in Section 13 Heating & Air Condi-
tioning).
4. Remove the retaining bolts and screws.
5. Remove the evaporator core.
6. Installation is in the reverse order of removal.
Installation Notes:
• Lubricate new rubber O-ring seals with clean refrigerant oil and install them and new gaskets onto the refriger-
ant line fittings.
• Use only the specified O-rings as they are made of a special material for the R-134a system.
• Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
• Recharge the A/C system (See A/C System Evacuation and Recharge in Section 13 Heating & Air Condition-
ing).
Condenser
Description
The condenser is located in the air flow in front of the engine cooling radiator. The condenser transforms the refrig-
erant from a gas into a liquid. It is attached to the vehicle with bolts and the A/C lines with fittings.
Operation
When the heat is removed from the refrigerant, it condenses. When the refrigerant leaves the condenser, it becomes
a high-pressure liquid refrigerant. The volume of air flowing over the condenser fins is critical to the proper cooling
performance of the air conditioning system. Therefore, it is important that there are no objects placed in front of the
radiator grille openings in the front of the vehicle or foreign material on the condenser fins that might obstruct proper
air flow. Also, any factory-installed air seals or shrouds must be properly reinstalled following radiator or condenser
service.
ON-VEHICLE SERVICE
13–42Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Heater Core
Description
The heater core is located in the HVAC housing. The heater core is a heat exchanger made of rows of tubes with
fins and is positioned within the air distribution housing so that only the selected amount of air entering the housing
passes through the heater core before it is distributed through the heating-A/C system ducts and outlets. One end of
the heater core is fitted with a tank that includes the fittings for the heater core tubes. The heater core can only be
serviced by removing the HVAC housing from the vehicle.
Operation
Engine coolant is circulated through the heater hoses to the heater core at all times. As the coolant flows through the
heater core, heat is removed from the engine and is transferred to the heater core tubes and fins. Air directed
through the heater core picks up the heat from the heater core fins. The blend-air door allows control of the heater
output air temperature by regulating the amount of air flowing through the heater core. The blower motor speed con-
trols the volume of air flowing through the HVAC housing.
Removal & Installation
1. Drain the cooling system (See Cooling System Draining Procedure in Section 06 Cooling System).
2. Evacuate the A/C system (See A/C System Evacuation and Recharge in Section 13 Heating & Air Conditioning).
3. Remove the HVAC housing assembly and place it on a workbench (See HVAC Housing Removal & Installationin Section 13 Heating & Air Conditioning).
4. Remove the retaining bolts and clamps.
5. Remove the heater core.
6. Installation is in the reverse order of removal.
Installation Notes:
• Verify the cooling system is filled to proper specifications.
ON-VEHICLE SERVICE
13
13–47Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine SEATS
General Information
Description
The seat movement is controlled by an adjustment bar. The seat can be adjusted to six different seating positions.
The vehicle may be equipped with heated seats. Heated seats provide comfort and warmth in cold weather. The
heaters provide the same heat level for both the seat cushion and back. The driver seat and front passenger seat are
heated.
Operation
The manual seat adjustment bar is at the front of the seat, near the floor. Pull the bar upward and slide the seat
forward or rearward. Release the bar once the seat is in the desired position. To confirm the seat is locked into place,
attempt to move the seat forward and rearward after adjusting the seat. The heated seat controls for each seat are
located near the bottom center of the instrument panel. After turning the ignition ON, the seat heater can be activated
to High or Low heat settings. When the switch is in the middle position, the seat heater is OFF. Each switch is
equipped with LED lights to indicate the level of heat at which each seat is set.
15–104Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Front Strut, Front Suspension..................10-21
Front Sub-Frame Assembly, Front Suspension .......10-17
Front Suspension ........................... 10-1
Front Wheel Alignment, Alignment ...............10-44
Front Wheel Speed Sensor, Antilock Brakes .........12-77
Front Windshield, Body Exterior ................15-219
Front Wiper Arm, Body Exterior ................15-240
Front Wiper Link, Body Exterior ................15-241
Front Wiper Motor, Body Exterior ...............15-238
Fuel Delivery System ..........................4-1
Fuel Door, Body Exterior ..................... 15-200
Fuel Door, Body Exterior ........................200
Fuel Filter, Fuel Delivery System .................4-18
Fuel Injector Rail, Fuel Delivery System ............4-19
Fuel Injector, Fuel Delivery System ................4-20
Fuel Pressure Regulator - With Mitsubishi 2.4L Engine, Fuel Delivery System ..................4-23
Fuel Pressure Relief Procedure, Fuel Delivery System . . . 4-15
Fuel Pump, Fuel Delivery System .................4-15
G
Gear Selector & Shifter Assembly, 5-Speed Manual
Transaxle ............................... 8-264
General Information, 1.6L & 1.8L Engine Controls ......3-3
General Information, 1.6L & 1.8L Engine Mechanical ....2-3
General Information, 2.0L Engine Controls ..........3-229
General Information, 2.0L Engine Mechanical .........2-77
General Information, 2.4L Engine Controls ..........3-442
General Information, 2.4L Engine Mechanical ........2-151
General Information, 5-Speed Manual Transaxle ......8-247
General Information, Air Distribution ..............13-26
General Information, Airbag System ...............14-2
General Information, Alignment .................10-39
General Information, Antilock Brakes .............12-35
General Information, Base Brakes ................12-2
General Information, Body Interior ..............15-104
General Information, Charging System .............5-12
General Information, Clutch System ..............8-317
General Information, Cooling System ...............6-2
General Information, DP0 Automatic Transaxle .........8-3
General Information, Drive Shaft (4x4) .............9-25
General Information, Evaporative Emissions .........3-577
General Information, Exhaust System ...............7-2
General Information, F4A4 Automatic Transaxle ......8-144
General Information, Front Axle ...................9-2
General Information, Front Differential .............8-308General Information, Front Suspension
.............10-2
General Information, Fuel Delivery System ...........4-2
General Information, Ignition Control .............3-566
General Information, Interactive Torque Management (ITM) System (4x4) ...............9-17
General Information, Manual Temperature Control .....13-2
General Information, Parking Brake ..............12-80
General Information, Power Steering Pump .........11-32
General Information, Rear Axle ...................9-9
General Information, Rear Suspension ............10-26
General Information, Seat Belt System ............14-51
General Information, Starting System ...............5-2
General Information, Steering Column .............11-9
General Information, Steering Gear ...............11-19
General Information, Steering System ..............11-2
General Information, System Controls .............13-19
General Information, System Plumbing ............13-33
General Information, T

ransfer Case (4x4)..........8-327
General Information, Vehicle Fuse Box Information ....16-38
General Information, Vehicle Ground Distribution .....16-28
General Information, Vehicle Power Distribution ......16-13
General Information, Vehicle Wiring Harness Layout . . . 16-45
General Information, Wheels and Tires ............10-48
General Information, Wiring Information ............16-2
Generator, Charging System ....................5-17
Grille, Body Exterior ........................ 15-201
Grille, Body Exterior ...........................201
H
Headlamp, Body Exterior ..................... 15-191
Headliner, Body Interior ...................... 15-15
Heated Seat Element, Body Interior ..............15-109
Heated Seat Switch, Body Interior ..............15-109
Heater Core, System Plumbing .................13-47
High Mounted Stop Lamp, Body Exterior ..........15-197
Hood Release Cable, Body Exterior ..............15-203
Hood, Body Exterior ........................ 15-202
Hood, Body Exterior ...........................202
Horn, Body Exterior .................. 15-206, 15-208
How To Locate Electrical Schematics In The Service Manual, Electrical Information ............1-25
How To Read Electrical Schematics, Electrical Information .............................. 1-21
How To Use This Manual, Service Information ........1-2
HVAC Housing, Air Distribution .................13-29
INDEX
AI-4