Chapter V GW4D20 / GW4D20B Turbocharged Diesel Engine
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
349
Fig. 5-19-8 Removing the cylinder head
assembly
Fig. 5-19-9 Removing the clutch assembly
Removing the cylinder head assembly
⑥
.
(1) Remove the cylinder head cover component.
(2) Remove the camshaft bearing cap.
(3) Remove the camshaft assembly.
(4) Remove the cylinder head assembly: loosen 10
bolts (M11×1.5×162) fastening the cylinder head to the
cylinder body in separated times, and remove the
cylinder head assembly. See Fig. 5-19-8.
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
.
Attention:
Do not leave any liquid on the clutch
surface, and clean it immediately.
(1) Remove the pressure plate assembly.
——Remove the driven disc assembly.
(3) Use guide centering device to prevent the clutch
from falling off the driven disc assembly freely.
Guide centering device: 5-5821-2001-0.
(4) Make a mark on the flanges of flywheel and
pressure plate to facilitate the alignment during the
installation.
(5)
按顺序分两次松开固定压盘总成的
9
个螺栓，拆下离
合器总成，如图
5-19-9
所示。
Loosen orderly in two
times the 9 bolts fastening the pressure plate assembly,
and remove the clutch assembly as shown in Fig.
5-19-9.
Fig. 5-19-10 Removing the flywheel gear ring
assembly
Removing the flywheel gear ring assembly
⑧
(1) Install the flywheel retainer.
(2) Loosen 8 bolts that fasten the flywheel gear ring
assembly in order by two steps. See Fig. 5-19-10.
(3) Remove the flywheel gear ring assembly from the
rear end of the crankshaft. See Fig. 5-19-10.
Cylinder head
Cylinder head
bolt
Crankshaft
Flywheel gear ring
assembly
Crankshaft position
signal panel
