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
11-7
ENGINE
SPECIAL TOOLS
Tools
REF. NO.
NAME
PURPOSE
MB990767
MB990938
HANDLE
Use together with MD998776
MD990685
TORQUE WRENCH
MD998162
MD998285
MD998375
MD998713
Mounting of camshaft oil seal
MD998719
PULLEY FIXING PIN
SPECIAL TOOLS
Use MD998719 for Fastening
camshaft toothed-belt wheel
Use MD998767 for timing
toothed-belt tensioning
Disassembly and mounting of
front cover plug
SCREW-PLUG
WRENCH
CRANKSHAFT FRONT
OIL SEAL GUIDE
Use MD998375 for mounting of
crankshaft front oil seal
CRANKSHAFT FRONT
OIL SEAL ASSEMBLER
Mounting of crankshaft front
oil seal
CAMSHAFT OIL SEAL
ASSEMBLER
Use MB990767 for the fastening
of camshaft toothed-belt wheel
CRANKSHAFT PULLEY
WRENCH
11-8
Tools
REF. NO.
NAME
PURPOSE
MD998727
OIL PAN DETACHER
Disassembly of oil pan
MD998371
MD998372
MD998772
VALVE SPRING
MD998774
Mounting of valve oil seal
MD998776
MD998778
MD998780
Disassembly of piston pin
MD998781
FLYWHEEL STOPPER
MD998783
BALANCING SHAFT
BEARING PULLER
Disassembly of reverse balanc-
ing shaft front bearing
BALANCING SHAFT
BEARING PULLER
Disassembly of reverse bal-
ancing shaft rear bearing
Disassembly and mounting of
valve and related spare parts
VALVE OIL SEAL
ASSEMBLER
CRANKSHAFT REAR
OIL SEAL ASSEMBLER
Use MB990938 for mounting
of crankshaft rear oil seal
CRANKSHAFT
TOOTHED-BELT
WHEEL PULLER
Disassembly of crankshaft
toothed-belt wheel
PISTON INSTALLATION
TOOL
Fastening flywheel and driv-
ing plate
S C R E W - P L U G
WRENCH FIXER
Disassembly and mounting of
front cover screw-plug
ENGINE
SPECIAL TOOLS
11-9
Tools
REF. NO.
NAME
PURPOSE
MB991603
MB991654
MD998440
MD998441
MD998442
Air exhausting of hydraulic lifter
MD998443
MD998705
MD998785
MD998767
Adjusting tension of timing belt
Guide limit for disassembly and
assembly of reverse balancing
shaft rear bearing (used with
MD998372 together)
Hydraulic lifter leakage-detect
test
Air exhausting of hydraulic
lifter
HYDRAULIC LIFTER
RETAINER
HYDRAULIC LIFTER
WIRE
HYDRAULIC LIFTER RE-
TAINER
Hydraulic lifter retainer while
removing and mounting rocker
shaft assembly
BALANCING SHAFT
BEARING INSTALLER
BALANCING SHAFT
BEARING PULLER
CYLINDER HEAD BOLT
WRENCH
Disassembly and mounting of
cylinder head bolt
Mounting of reverse balancing
shaft front & rear bearing
TIMING TOOTHED-BELT
STOPPER
Retaining of balancing shaft
toothed-belt wheel
TENSIONER PULLING
STEEVE
ENGINE
SPECIAL TOOLS
LEAKAGE-DETECTING
TESTER
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