Chpter IV Mechanical System
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
189
Fig. 4-5-29 Mark on piston connecting rod
Fig. 4-5-30 Installing the upper body of oil pan
and tightening of bolts
Reinstalling the oil pan upper and lower body
assemblies and oil collector assembly
④
(1) Check if the dowel pin of the oil pan upper body is
installed correctly. Coat the junction surface between
the oil pan and the lower cylinder body with silicone
plane sealant. Install the oil pan upper body on the
lower cylinder body.
LOCTITE 587 plane sealant.
Attention:
Make sure the junction surface between
the oil pan upper body and the lower cylinder body is
clean before reapplying glue.
(2) Screw down the 15 hexagon flange face bolts
(M8×25, M6×20, M6×110 and M8×45) fastening the oil
pan upper body and lower cylinder body as per the
specified order and torque. The junction surfaces
should cling tightly. See Fig. 4-5-30.
Tightening torque for fastening bolt of oil pan
upper body
M6
9N·
m±3N·
m
M8
23N·
m±3N·
m
(3) Coat the sealing part of oil collector with an
appropriate amount of lubricating oil. After that, align
the oil suction holes of oil pan and install a gasket. Use
4 hexagon flange face bolts (M8×12 and M6×16) to fix
it. See Fig. 4-5-31.
Attention:
Install and fix the 2 hexagon flange face
bolts (M8×12) fastening the oil collector bracket after
installing the oil pan upper body.
Mobil API CI-4 lubricating oil
Tightening torque for fastening bolt of oil collector
M6
9N·
m±3N·
m
M8
23N·
m±3N·
m
Forward mark
on piston
