Chapter V GW4D20 / GW4D20B Turbocharged Diesel Engine
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
313
Fig. 5-14-8 Installing the lower body of oil pan
Fig. 5-14-9 Installing the lower body of oil pan
(2)Coat the surface of the front oil seal of crankshaft
with an appropriate amount of lubricating oil, and then
install the front oil seal of crankshaft to the oil seal hole
of the engine oil pump housing.
Installer of front oil seal: 5-8840-2361-0.
(3) Apply evenly an appropriate amount of lubricating oil
to the inner surface of engine pump external rotor, and
install the external rotor to the pump chamber of the
upper cylinder body with the marked side facing the
bottom of the oil pump chamber of cylinder body.
Mobil API CI-4 lubricating oil
(4) Install the oil pump assembly and the cylinder body
together, tighten the 10 hexagon bolt and plain washer
subassembly bolts (M8×40,M8×20) in proper order and
with specified torques. See Fig. 5-14-7.
Tightening torque for fastening bolt subassembly of
oil pump
23N·
m±3N·
m
There should be no stagnation when the oil pump
pulley is rotating after installation.
Installing the lower body assembly of oil pan
④
(1)Check the joint surface between the upper and lower
bodies of oil pan for dirt and scratch. See Fig. 5-14-8.
(2) Apply evenly the silicon rubber flat sealant to the
joint surface between the upper and lower bodies of oil
pan. See Fig. 5-14-9.
LOCTITE587 flat sealant.
Fig. 5-14-10 Installing the timing system
(3) Install the lower body of oil pan to the upper body of
oil pan, and tighten the 14 hexagon flange bolts
(M6×12) with the specified torque and in proper order.
Tightening torque of fastening bolt at lower body of
oil pan
9N·
m±3N·
m
Installing the timing system
③
(1) Install the timing idle wheel, and tighten the
fastening bolt with specified torque. See Fig. 5-14-10.
Tightening torque of fastening bolt of timing idle
wheel
43N·
m±4N·
m
Lower body of oil pan
Upper body of oil pan
Apply the sealant
Timing idle wheel
