Great Wall engine 4G64S4M. Manual - part 3
11-6
ENGINE
SPECIFICATION
A New Tightening Method
Bolt Tightening at Plasticity Area
A new tightening method
bolt tightening at plasticity area will be used in some parts of engine. Different from
traditional tightening method, the use limit stated herein shall be followed while tightening the bolts.
This method shall be applied to the following bolts:
(1) Cylinder head bolt
(2) Main bearing cap bolt
(3) Connecting rod bolt
Tightening method:
Screw the bolt till the prescribed torque is reached, then tighten another 90
100(for cylinder head bolt, 2 90
is needed). When the area is different, the method is also different. The methods stated herein shall be followed.
Fastening Location
Torque (Kg.M)
Front cover and oil pump
Oil drain plug
4.5
Oil pan
0.7
Oil suction filter bolt and nut
1.9
Oil pressure switch
1.0
Pressure relief plug
4.5
Oil suction filter bracket bolt
1.9
Front cover bolt
2.4
Plug
2.4
Flange bolt
3.7
Oil pump cover bolt
1.6
Oil pump cover screw
1.0
Piston and connecting rod assembly
Connecting rod nut
2.0
90100
Crankshaft, cylinder block, flywheel and drive board
Flywheel bolt
13.5
Rear cover board mounting bolt
1.1
Oil-seal retainer mounting bolt
1.1
Main bearing cap bolt
2.5
90100
Sealant
Applying Location
Model to Use
Water outlet port coupling
MD970389 or the equivalent
Cooling water bypass pipe connector
MD970389 or the equivalent
Oil pressure switch
3M ATD No.8660 or the equivalent
Oil pan
MD970389 or the equivalent
Oil-seal retainer
MD970389 or the equivalent
Water temperature sensor
3M NUT LOCKING No.4171 or the equivalent