Great Wall engine 4G64S4M. Manual — part 11
11-38
ENGINE
CYLINDER HEAD AND VALVE
MB991603
MB998372
6EN0207
MD998705
6EN1034
A
MB991603
MD998705
MB991603
MD998705
rear bearing
6EN0557
B
Disassembly of Rear Bearing of Balancing Shaft
(1)
Tear down the rear bearing of the left balancing shaft from the
cylinder block with SST.
Remark:The SST (MB991603) should be mounted in front of the
cylinder block when dismantling the rear bearing of the left balanc-
ing shaft.
Main Points in Assembly
Mount of Rear Bearing of Right Balancing Shaft
(1)
Coat the engine oil at the outside of the bearing.
(2)
Mount the right rear bearing with SST. The oil hole of the
bearing should be confirmed in alignment with that on the
cylinder block.
Mount of Rear Bearing of Left Balancing Shaft
(1)
Mount the SST (guide plate) on the cylinder block.
(2)
Coat the engine oil at the outer circumference of rear bearing
and the inside of the bearing hole of the cylinder block.
(3)
Mount the rear bearing with SST.
Remark:
There is no engine oil in the left rear bearing hole.
E
11-39
ENGINE
CYLINDER HEAD AND VALVE
MD998705
MD998705
cylinderblock
bearing
6EN1035
MD998285
6EN0746
C
D
Mount of Front Bearing of Balancing Shaft
(1)
Mount the front bearing with SST.
Mount of Front Cover
(1)
Mount the SST on the front end of the crankshaft and coat the
engine oil on the face of outer circumference of the SST, then
mount on the front cover.
MD998285
socket wrench
front cover
oil seal
E
(2)
Mount on the front cover assembly with a new front gasket,
and tighten the flange bolts temporarily (excluding the bolts of
oil filter that must be tightened).
Mount of Oil Seal of Balancing Shaft
(1)
Press the oil seal into the front cover with the socket wrench.
11-40
socket wrench
front cover
oil seal
ENGINE
CYLINDER HEAD AND VALVE
socket
front cover
oil seal
Matching
marks
6LU0015
Mount of Oil Seal of Lubricating Pump
(1)
Press the oil seal into the front cover with the socket wrench.
Mount of Front Oil Seal of Crankshaft
(1)
Mount the front oil seal of crankshaft on the front cover with
SST.
Mount of Driven/Driving Gear of Oil Pump
(1)
Coat the engine oil on the surface of the gear and align the
matching marks
F
G
H
9EN0094
6EN0564
I
J
Coat Sealant on Oil Pressure Switch
(1)
Coat the sealant on the threaded part of the oil pressure switch
and mount the switch with SST.
Specified Sealant: 3M ATD Par No. 8660 or corresponding
substitute
Notice:
Keep the end of the threaded part clean and do not coat
it with sealant.
Do not over tighten the bolts.
Mount of Flange Bolt
(1)
Insert the cross screwdriver in the hole at left side of cylinder
block to lock the balancing shaft.
11-41
ENGINE
CYLINDER HEAD AND VALVE
6EN0565
6EN0909
MD998783
MD998162
K
(2)
Tighten the flange bolt with specified torque and ensure the
driven gear of oil pump is fastened on the left balancing shaft.
Mount of Plug
(1)
Mount the new O-ring in the grooves at the front cover.
(2)
Mount the plug with SST and tighten it to the specified torque.
bolt hole
groove
6EN0213
crankshaft pulley side
8mm-long bolts
bottom view of oil sump
6EN0449
7EN0307
oil sump side
oil drain plug
washer
L
M
Mount of Oil Sump
(1)
Clean the matching face of the oil sump and the cylinder block
thoroughly.
(2)
Coat the sealant of 4 mm in diameter on the full circumference
of the oil sump flange.
Specified Sealant:
Genuine Mitsubishi brand Sealant MD970389 or the
equivalents.
Remark:
(1)
The oil sump must be mounted at the moment the sealant is
still humid (15 min or so).
(2)
The sealing part should not be stained by the humid oil within
1 hour after the mount.
(3)
Confirm the length and mounting place of the bolt.
Mount of Oil Drain Plug
(1)
Mount the oil drain plug in the direction shown in the figure.
Notice:
The mount in wrong direction will cause oil leakage.
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