Chery QQ6 (S21) / S12LHD. Manual — part 227

3. Use a 13# sleeve to remove the bolt of battery support

fixed mount.

4. Disassembly of cooling system.

4.1 Hoist the vehicle, place away a coolant collector,

unscrew bleeder bolt of the water tank to discharge the

coolant.

4.2 Use the snap ring pliers to loosen the clamp on

connecting pipe of water tank.

4.3 Use the snap ring pliers to loosen the connecting

water pipe of A/C heating water tank.

4.4 Use the snap ring pliers to loosen other connecting

water pipes.

5. Disassembly and installation of water pump assembly:

5.1 Remove upper and lower covers of timing gear (refer

to disassembly and installation of gear and belt of timing

gear).

5.2 Use a caliper to take off the clamps on the three

discharging tubes and then pull out the rubber hoses.

5.3 Use a 10mm sleeve to remove the fixing bolt of

discharging tube of water pump and then pull out the

discharging tube.

Note: in case the O-ring on discharging tube of water

pump is loose, broken or aging, be sure to replace.

5.4 Use a 10mm sleeve to remove the fixing bolt of

water pump and then take out the water pump assembly;

when removing, be careful not to damage cushion of the

water pump, if damaged, replace with a new one. The

water pump can not be decomposed to maintain.

5.5 Check water seal of the water pump for water leak; if

water pump bearing is loose, replace the assembly.

Follow the order adverse to that for disassembly of the

water pump to install it.

5.6 Disassembly and installation of thermostat

5.7 Use a caliper to take off the clamps on the two

discharging tubes and then pull out the rubber hoses.

5.8 Use a 10mm sleeve to remove the fixing bolt of

thermostat cover and then take out the thermostat.

5.9 Use a 10mm socket wrench to remove the thermostat

seat. Be careful not to damage the thin sheet gasket.

6. Inspection of thermostat:

(1) Under normal temperature, inspect seating status of

the valve and it should tightly seat.

(2) Inspect opening temperature and maximum stroke of

the valve.

Opening temperature of the valve is 87±2℃

Maximum stroke of the valve is 8mm

Full opening temperature of the valve is 104℃

(3) Then check if the valve closes at the temperature

5

lower than the opening t

℃

emperature. If not

compliant, replacement with a new thermostat is

required. Follow the order adverse to that for

disassembly of the thermostat to install it. When

installing, check if the gasket of the thermostat is

damaged, if thermostat seat and thermostat cover

casing plane are satisfactory. Check the sealing

gasket for damage, if damaged, replace with new

sealing element.

7. Disassembly of A/C pipeline

See Disassembly of A/C Compressor for disassembly

of A/C pipeline.

8. Disassembly of power-assisted steering pipeline.

See Disassembly of Power-assisted Steering Oil Pump

for disassembly of power-assisted steering pipeline.

9. Disassembly of intake and exhaust manifold.

9.1 Use a 10# sleeve to remove the fixing bolt of air

intake pipe.

9.2 Use a cross-head screwdriver to loosen the clamp

connecting intake hose and electronic throttle body.

9.3 Use a 13# sleeve to remove the connecting bolt of

three-way catalytic converter and exhaust intermediate

pipe.

Torque: 60±5 Nm.

9.4 Use a 10# sleeve to remove heat insulating mattress

of exhaust pipe.

9.5 Use a 13# sleeve to remove the connecting bolt of

exhaust manifold and three-way catalytic converter.

Torque: 60±5 Nm.

9.6 Use a 13# sleeve to remove the fixing bolt of exhaust

manifold.

10. Disassembly of connecting portion of transmission

case.

10.1 Use pliers to remove the fixing steel wire clip of

gearshift control cable.