Chapter V GW4D20 / GW4D20B Turbocharged Diesel Engine
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
365
Fig. 5-20-2 Removing the earthing cable of
storage battery
Fig. 5-20-3 Removing the transmission
assembly
Fig. 5-20-4 Removing the engine assembly
Removal
Preparation
(1) Disconnect the grounding cable of storage battery.
See Fig. 5-20-2.
(2) Drain the cooling system of coolant.
(3) Drain out the engine oil (lubricating oil) in the
lubrication system.
(4) Lift the vehicle to an appropriate height and support
it with a safety rack.
Warning:
hot oil (lubricating oil) may cause burn,
handle the used oil properly and protect the
environment.
Removing the transmission assembly
①
(1) Remove the drive shaft at the flange yoke.
(2) Remove the transmission assembly.
(3) Remove the bolts connecting the transmission and
the clutch in proper order, and remove the transmission
assembly. See Fig.5-20-3.
Removing the engine assembly
②
.
(1) Remove the catalyst pipe.
(2) Remove the generator belt, the power steering oil
pump and the refrigeration compressor.
(3) Remove the engine bracket fastening nuts: remove
the 2 fastening nuts connecting the engine left and right
brackets with the frame studs to separate the engine
from the frame.
(4) Connect the hook to the crane to lift the engine
carefully, as shown in Fig. 5-20-4.
(5) After being raised, the head of the engine should be
higher than the tail.
(6) Place the engine steady on the maintenance rack for
repair, removal and reinstallation.
Attention:
when removing the engine assembly,
take care not to damage the sensor, oil pipe, brake pipe,
electric elements, etc.
Transmission
Clutch assembly
Engine hook
