Geely Emgrand X7. Manual part — 440

7

Repair the blower.

A. Repair according to the following list of symptoms

Symptoms Suspected

fault

part

Maintenance

scheme

Blower jamming

The blower wheel has foreign
matter.
The blower wheel is damaged.
The blower motor has foreign
matter and is blocked.

Clean up the blower wheel foreign body.
Clean up the blower motor foreign body.
Replace blower motor assembly, included
fan impeller

The blower motor does not
work.

The blower motor is damaged.

Replace blower motor assembly, included
fan impeller

B. Confirm that the blower works normally.

Confirm the completion of repair.

8

The system is normal.

Next

1759

8.3.7.6 A/C system cooling capacity is lack

Fault symptom table

Symptoms

Suspected fault part

Maintenance scheme

The engine
coolant
temperature is
too high.

1. Engine idle running time is

too long.

2. Engine is running with

overload for long time

3. Coolant

is

lock

4. Coolant performance can’t

meet requirement.

5. Thermostat

Malfunctions

6. The engine is in poor

operation.

7. The cooling fan is in

abnormal operation.

8. The cooling fan does not

work.

9. The water tank is in poor

heat dissipation.

10. Cooling fan air connection

cover.

1.Reduce engine idling running time
2. Reduced engine running time with big load.
3. Overhaul leakage condition of coolant , added coolant

to the standard value

4. Replace coolant which meets requirements of Geely.
5. Replace

the

thermostat

6. Check the cooling system of the engine
7. Service the engine to check its working condition.
8. Service the cooling fan motor and its circuits and

replace if necessary.

9. Clean the cooling water tank.
10. Overhaul cooling water tank, if necessary, replace it.
11. Overhaul cooling fan wind concentrator cowl. if

necessary,replace it

Condenser
temperature is
too high

1. Condenser

radiation

is

bad.

2. Water temperature of engine

is too high

1

Clean the condenser

2. Overhaul condenser. If necessary, replace it
3. Conduct repair according to symptom specified in this

table "engine coolant temperature is too high".

The
compressor
runs
abnormally.

1. Compresor belt is skidding.
2. Compressor clutch is

skidding.

3. Compressor has abnormal

sound

4. Frequent start of compressor
5.

Operation Failure of
Compressor

1. Adjust compressor belt, and replace when necessary
2. Repair the compressor clutch and replace if necessary.
3. Inspect the amount of the refrigerant and the

lubrication oil. Refer to the symptom of "abnormal
A/C system pressure" in the table.

4. Repair the compressor clutch circuit.
5. Repair the compressor and replace if necessary.
6. Repair the A/C pressure switch, and replace if

necessary.

7. Repair the A/C control module, and replace if

necessary.

8. Overhaul engine control module.if necessary.replace it

Air volume of
the instrument
panel air outlet
is too small.

1. Instrument air duct blocked
2. Instrument air duct leakage
3. Air direction control

mechanism abnormal

4. Air direction control motor

abnormal

5. Blower speed is too low.
6. Blower Speed Control

Module abnormal

7. A/C pipe frozen
8. A/C control module

abnormal

1. Clean up the air outlet of the instrument panel and

replace if necessary.

2. Repair the air outlet passage of the instrument panel

and replace if necessary.

3. Overhaul wind control mechanism
4. Overhaul wind control motor
5. Repair circuit.
6. Repair the blower motor and replace if necessary.
7. Replace blower speed regulation module
8. Replace the refrigerant according with the standard of

Geely manufacturer.

9. Replace expansion valve

1760

10. Repair the A/C control module circuit, and replace

module if necessary.

Air-out
temperature of
the instrument
panel air outlet
is too high.

1. Switched to outside

circulation

2. Ambient temperature is too

high

3. The outside circulation

throttle is blocked and not
closed tightly.

4. Inside and outside

circulation motors fault

5. Temperature control

mechanical is abnormal.

6. Temperature control motor

is abnormal.

7. Abnormal illumination

sensor

8. A/C control module

abnormal

1. Switch to inside circulation.
2. Move the vehicle to a cool and shaded place.
3. Adjust outside circulation throttle mechanism, and

replace the internal and outside circulation throttle
mechanism when necessary.

4. Replace Inside and outside circulation adjustment

motor

5. Repair the temperature control motor, and replace if

necessary.

6. Repair the light sensor and replace if necessary.
7. Repair the A/C control module circuit, and replace

module if necessary.

A/C high
pressure is too
high and low
pressure is too
high.

1. Refrigeration System has air
2. Refrigerant charging is too

much

3. Refrigerant lubricating oil

charging is too much

4. The expansion valve

opening is too large.

1. Repair the leakproofness of the pipeline of the

refrigerating system and refill the refrigerant.

2. Discharge excessive refrigerant.
3. Discharge excessive refrigerant lubricating oil.
4. Replace expansion valve

A/C high
pressure is too
high and low
pressure is too
low.

1. High-pressure pipe prior to

the expansion valve is
blocked.

2. Expansion valve blockage
3. The expansion valve

opening is too small.

1. Wash or replace blocked high-pressure pipe.
2. Replace expansion valve

A/C high
pressure is too
low and low
pressure is too
high.

1. The compressor lacks of oil.
1. The compressor is damaged.

1. Supplement with the compressor refrigerant

lubricating oil.

1. Replace compressor

A/C high
pressure and
low pressure
are too low.

1. Refrigerant charging

capacity is not enough

2. Refrigerant is leakage

1. Fill with the A/C refrigerant according to the standard

as specified by Geely.

2. Repair the leakage condition of the A/C system; and

replace the A/C system element leaked.

A/C high
pressure is too
low and low
pressure in
vacuum.

1. The expansion valve is in

serious filth blockage.

2. Expansion valve ice block
3. Evaporator temperature

sensor faults.

4. Low-pressure pipeline

leakage

1. Replace expansion valve
2. Prolong the pumpdown time of the system and fill the

A/C refrigerant which is accorded with the standard
specified by Geely manufacturer.

3. Replace stock solution dryer.
4. Replace evaporator temperature sensor
5. Wash or replace blocked low-pressure pipe.

1761

8.3.7.7 A/C system air warming is lack

Fault symptom table

Symptoms

Suspected fault part

Maintenance scheme

The engine coolant temperature
does not reach 82℃ (180℉).

1. Thermostat Malfunction
2. Insufficient running time of engine
3. Air entering the cooling system
4. Poor engine working conditions.

1. Prolong the running time of the

engine.

2. Empty the air in the cooling

system

3. Replace the thermostat.
4. Overhaul engine work

condition

Air leakage of cold-warm valve

1. Mechanical fault of cold-warm

valve mechanism

2. Cold-warm valve motor fault
3. The air outlet way leaks air.
4. A/C control module faults.

1. Adjust throttle mechanism
2. Replace cool-warn adjusting

motor

3. Replace Coo-warm valve

mechanism

4. Repair the air leakage passage.
5. Replace air leakage passage.
6. Replace A/C control module

Inside and outside circulation
throttle leaks air.

1. Switched to outside circulation
2. The outside circulation throttle is

blocked and not closed tightly.

3. Inside and outside circulation

motors fault

4. A/C control module faults.

1. Switch to inside circulation.
2. Adjust outside circulation

throttle mechanism

3. Replace inside and outside

circulation adjustment motor

4. Replace inside and outside

circulation valve mechanism

5. Replace A/C control module

1762