Chapter V GW4D20 / GW4D20B Turbocharged Diesel Engine
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
367
Fig. 5-20-8 Removing the cylinder head
assembly
Fig. 5-20-9 Removing the cylinder head
assembly
拆卸气缸盖总成⑥
Removing cylinder head assembly
⑥
(1) Remove the cylinder cover component. See Fig.
5-20-8.
(2) Remove the camshaft bearing cap.
(3) Remove the camshaft assembly.
(4) Remove the cylinder head assembly: loosen in
several times the 10 cylinder head bolts fastening the
cylinder head to the cylinder body and remove the
cylinder head from the cylinder body.
Caution:
if the cylinder cap bolts are not orderly
unscrewed in separated times, the lower surface of the
cylinder cap might be damaged.
Removing the clutch assembly
⑦
.
(1) Remove the 6 hexagon flange bolts (M8×25, M8×30,
M10×25) connecting the water pump assembly and the
cylinder body, and remove the water pump assembly as
shown in Fig. 5-20-9.
(2) Remove the water pump gasket.
(3) Use guide centering device to prevent the clutch
from falling off the driven disc assembly freely.
Check the water pump gasket and replace it if any
damage or deformation exists.
Removing the clutch assembly
⑧
Attention:
Any fluid should not be allowed to
remain on the surface of the clutch. If there is some
fluid, remove it.
(1) Remove the pressure plate assembly.
(2) Remove the driven disc assembly.
Water pump gasket
Water pump assembly
Cylinder head
Camshaft bearing
cap
Cylinder cover
