Chapter VII Cooling System
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
425
Fig. 7-2-29 Removing the overflow tank hose
Fig. 7-2-30 Removing the radiator assembly
Fig. 7-2-31 Removing the radiator
Remove the overflow tank hose from the radiator. See
Fig. 7-2-29.
Removing the upper water rubber hose of radiator
②
(1) Loosen the clip at the connection between the
upper water rubber hose of radiator and the radiator.
(2) Remove the upper water rubber hose from its
installation position on the radiator as shown in Fig.
7-2-30.
Removing the lower water rubber hose of radiator
③
(1) Loosen the clips of the lower water rubber hose
which connect the engine water port and the radiator
water port. See Fig. 7-2-30.
(2) Removing the lower water rubber hose from the
radiator water port.
Removing the radiator fan
④
(1) Remove the cooling fan and harness terminals.
(2) Remove the bolts fastening the cooling fan and the
radiator, and take off the cooling fan from the radiator.
See Fig. 7-2-30.
Caution:
In removal operation, take care to
prevent the radiator core from being scratched by the
fan vanes.
Remove the radiator assembly
⑤
Remove the fastening bolts on the radiator which
connect the radiator support and the radiator, and take
down the radiator assembly. See Fig. 7-2-31.
Check and Repair
1. Checking the Radiator Cap
(1) Use radiator cap tester to determine the opening
pressure of pressure valve as shown in Fig. 7-2-32.If
the opening pressure exceeds the standard value, the
radiator cap shall be replaced.
Tester for the radiator filler cap: 5-8840-2036-0
Opening pressure of pressure valve for radiator cap
88~118 kPa
(2) Check the opening pressure of the vacuum valve
at the center part of valve seat for radiator cap. If the
vacuum valve can not move smoothly owning to the
corrosion or dust, the radiator cap shall be cleaned or
Overflow tank
hose
Upper water
rubber hose
Lower water
rubber hose
Fan assembly