Chapter V GW4D20 / GW4D20B Turbocharged Diesel Engine
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
377
Fig. 5-20-36 Installing the water pump
assembly
Fig. 5-20-37 Installing the cylinder head
assembly
molybdenum disulfide grease.
——Install the driven disc assembly by the guide
centering device.
Guide centering device: 5-5825-3001-0.
(2) Pressure plate assembly
Tighten the 9 bolts fastening the clutch pressure plate
assembly in the order as shown in Fig. 5-20-35 to the
required torque.
Tightening torque for fixing bolt of the clutch
pressure plate assembly
23N·
m±3N·
m
Installing the water pump assembly
⑦
(1) Install the water pump packing.
(2) Install the water pump assembly to the cylinder body
and tighten the 6 hexagon flange face bolts (M8×25,
M8×30, M10×25) with required torque. See Fig.
5-20-36.
Tightening torques for fastening bolt of the water
pump
M8
23N·
m±3N·
m
M10
45N·
m±3N·
m
The stagnation when the water pump pulley
rotating shall not occur after installation.
Installing the cylinder head assembly
⑥
(1) Install the gasket of the cylinder head.
Check the junction surface of the cylinder head and the
cylinder body for foreign matters, and wipe it by silk
cloth. Insert the cylinder head dowel pin sleeve into the
corresponding pin holes on the cylinder body with a
special tool, and make sure they are properly
assembled; while fixing the cylinder head gasket, fit the
fixing hole sleeve for cylinder head gasket to the dowel
pin of the cylinder body, and evenly place the gasket to
the cylinder body plane.
Water pump
gasket
Water pump
assembly
Cylinder
head bolt
Cylinder head
