Chery QQ6 (S21) / S12LHD. Manual — part 91
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.
10.2 Use pliers to remove the fixing clip of gearshift
control cable outer case and then take off the gearshift
control cable.
10.3 Use a 13# sleeve to loosen the adjusting screw of
clutch control cable and then take off the clutch control
cable.
10.4 Use a 13# sleeve to loosen the fixing bolt of clutch
control cable on the transmission case.
10.5 Use a 17# wrench to loosen the bleeding bolt of
transmission case to discharge the gear oil.
10.6 See Service Manual for Chassis for disassembly
of suspension travel portion.
10.7 Use a crow to pry out the half shaft.
11. Disassembly of suspension portion
11.1 Use a 13# sleeve to remove the fixing bolt for rear
engine mount bracket of transmission case.
Torque: 60±5Nm.
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