Chery Tiggo T11 LHD. Manual — part 72

Service Manual for Chery·Tiggo(T11)Engine Section

15

Front end cover

Upper balance axle

Oil seal seat

Lower balance axle

7. Crank Connecting Rod Mechanism

Process plug

Main/joint journal connecting oil pipe

Balance number

Rear end flange

Alignment mark connecting with flywheel

Connecting bolt bore

color mark matching bearing tile

Front crank oil seal, oil pump seal and upper

balance axle oil seal are pressed

and fixed on front cover board.

The cylinder front end is combined

as horizontal oil pipe and there is

an oil pipe to lubricate the rear

bearing of lower balance axle.

Both upper and lower balance axles

are supported by front end cover

board. Lower balance axle is also

driven axle of oil pump.

Crankshaft is made of forged carbon

steel, which surface is machining

processed

The location of crankshaft oil pipe

is as shown.

Crankshaft is full-balance type,

that is Balance Number = Number of

Cylinders × 2.

The rotary radius of crankshaft main

axle center and crankshaft pin

center is separately 88/2（4G63）

，

100/2（4G64）.

Main axle diameter/57mm、Connecting

rod diameter/45mm（The diameter of

4G63 and 64 is same）

；

The rear end flange is thickened as

oil seal top and don

’t impact it.

Seven flywheel bolts are part

distributed and there is a flywheel

locking pin.

Service Manual for Chery·Tiggo(T11)Engine Section

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8. Piston Structure Features

Forward mark
Valve pit

1st / 2

nd

air ring slot

Oil return hole

Oil ring slot

lubricant channel

Piston pin hole

It is made of molten horniness

aluminum, which has been surface

processed.

There is a roundness concave on the

top, which makes chamber compacted,

decreases F/V value, reduces

nocuousness emission, increases

power and decreases oil consumption.

There is valve pit on the right side

of piston, which makes chamber

structure more impacted.

There are two air ring slots and one

oil ring slot. A oil return hole is

drilled in the oil ring slot, which

lubricate piston pin mating and

reduce dynamic pressure of oil ring.

There is oil slot in the inside upper

of piston pin seating, which collect

splash oil to lubricate piston pin

mating

Service Manual for Chery·Tiggo(T11)Engine Section

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9.Automatic Tensioner

Operating force 98N-196N

The trunk piston compression 1mm under

the operating force of 98N-196N

12mm free overhang

liquid store chamber

Oil seal

Spacing ring

Trunk piston

Check valve

Expanding spring

Working chamber

10.

Air

Distribution

Mechanism

Exhaust valve, rocker arm

Exhaust valve, rocker arm

Intake valve, rocker arm

Circlip

Intakevalve,

rocker arm

Automatic tensioner is to

make timing belt tensioned.

In an operation cycle, the

belt

tension is

not

Service Manual for Chery·Tiggo(T11)Engine Section

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constant and changing periodically.

With usage time increasing and belt

aging, tensioner may be tensioned

automatically to prevent belt sliding

and affect engine air distribution

phase.

The two hollow rocker of oil hole can

neither be exchanged nor be reversely

installed.

Eight intake valve, rocker arms are

divided into group A and B without

exchange. Four exhaust valve, rocker

arms

are

exchangeable.

The

intake/exhaust valve, rocker arms are

made of aluminum metal, which may

decrease weight, reduce crankshaft cam

load, extend its life time and improve

engine performance and fuel economics.

There are oil pipe and oil injection hole,

which are supported by hydraulic pole in

intake/exhaust valve, rocker arms. The

latter

will

inject

incoming oil from rocker to

lubricate air distribution

mechanism.

Intake valve, rocker arm

Idler wheel

Bearing journal

Intake valve, rocker arm

Idler wheel

Bearing journal