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.