Service Manual for CheryTiggo(T11) Engine Section

Contents

Chapter 1 Overview3

I. Technical Data3

II. Special Tools8

Chapter 2 Structural Features of Engine12

Chapter 3 Admission Gear23

I. Timing Gear Belt23

II. Rocker and Camshaft32

III. Cylinder Cover and Valve36

Chapter 4 Crank Gear42

Chapter 5 Lubricating System54

Chapter 6 Cooling System62

Chapter 1 Overview

Engine used in Chery Tiggo car is MITSUBISHI 4G64 (2.4L) and 4G63 (2.0L) model engine, which adapt single-overhead-camshaft, 4-cylinder 16-valve and multi-point sequential injection.

I. Technical Data

1. Engine Mode Number Indication

Multi-point sequential injection44 valve structure

Single-overhead-camshaftDesign serial number

Product serial

Gasoline engine

44 cylinder structure2.Engine Number Position

3Related Engine Data

ItemSpecification

4G63 S4 MPI4G64 S4 MPI

Engine type

Cylinder number44

Combustion chamberRidge chamberRidge chamber

Total displacement ml1,9972,351

Cylinder diameter mm85.086.5

Stroke mm88.0100.0

Output power kw926000r/min955500r/min

Max torque N.m167.7198.1

Compression ratio109

Lubrication systemPressure supply, full filterPressure supply, full filter

Fuel pump typeGear typeGear type

Water pump typeCentrifugal impellerCentrifugal impeller

4. Maintenance Standard UOMmm

ItemStandard ValueUsage Limit Value

Engine gear beltTensioner arm protrusion12

Tensioner arm depression (98196N)1

CamshaftCam heightAir-in4G6337.5037.00

Air-out4G6336.9936.49

Shaft diameter45.0

Cylinder coverLower surface flatness0.030.2

Surface grinding limit* total grinding of cylinder body and cylinder cover* 0.2

Full height119.9120.1

97.499.4

ValveEdge thicknessAir-in1.0

Air-out1.20.7

Valve rod diameter6.0

Crest clearance between valve rod and ductAir-in0.020.050.10

Air-out0.030.070.15

Inclination angle4545.5

HeightAir-in112.30111.80

Air-out114.11113.61

Valve springFree height51.050.0

Pre-loading force/Operation height Km/mm27.2/44.2

Verticality24

Valve ductContact bandwidth0.91.3

Internal diameter6.0

External diameter11.0

Depression depth14.0

Valve rod protrusion height49.349.8

Engine oil pumpSide clearanceDriving gear0.080.14

Driven gear0.060.12

PistonPiston clearance0.020.04

Piston ringLateral clearanceNo.1 ring0.020.060.1

No.2 ring0.020.060.1

End clearanceNo.1 ring0.250.350.8

No.2 ring0.400.550.8

Oil ring0.100.401.0

Piston pinExternal diameter22.0

Depressing force (Kg)7551750

Depressing temperatureRoom temperature

CrankCrank pin clearance0.020.050.1

Connecting rodBigger end clearance0.100.250.4

CrankAxial clearance0.050.180.25

Main axle diameter57

Connecting axle diameter45

Main axle diametral clearance0.020.040.1

Cylinder bodyUpper surface flatness0.050.1

Upper surface grinding limit*Total grinding of cylinder body and cylinder cover* 0.2

Full height 4G632840.1

Internal diameter of cylinder hole 4G6385.0085.03

Cylinder bodyCylinder hole cylindricity0.01

MotorRotor coil resistance35

Cylinder CoverSecondary processing size of valve conduit installation hole (air-in and air-out valve) enlargement0.05 O.S.11.0511.07

0.25 O.S.11.2511.27

0.50 O.S.11.5011.52

Secondary processing size of air-in valve seating hole enlargement0.30 O.S.34.43534.455

0.60 O.S.34.73534.755

Secondary processing size of air-out valve seating hole enlargement0.30 O.S.31.93531.955

0.60 O.S.32.23532.255

Remarks:

O.S.: Enlarged diameter

5. Tightening torque

Tightened PartTorque (kgf .M)

Alternator, Ignition system

Water pump belt gear

Adjusting bolt

Locking bolt

Alternator bracket screw bolt

Alternator center axle nut

Crank belt gear

Ignition coil

Spark piston

Camshaft position sensor cylinder

Camshaft position sensor bracket

Camshaft position sensor0.9

1.0

2.2

2.4

4.5

2.5

1.0

2.5

2.2

1.4

1.0

Timing Belt

Protruded screw bolt on timing belt cover

Tensioner wheel screw bolt

Tensioner arm screw bolt

Automatic tensioner screw bolt

Central belt wheel screw bolt

Tensioner bracket

Timing belt rear cover

Timing belt indicator

Engine oil pump belt gear

Screw bolt of crank belt gear

Tensioner B

Belt gear of balance axle

Screw bolt of camshaft belt gear

Belt gear of balance axle1.1

4.9

2.2

2.4

3.6

4.9

1.1

0.9

5.5

12.0

1.9

4.6

9.0

4.6

Fuel System

Throttle

EGR valve

Injector and distribution pipe

Fuel oil return pipe

Fuel pressure regulator1.9

2.2

1.2

0.9

0.9

Intake Manifold

Screw bolt of engine flying ringsEngine coolant temperature sensor

Connecting bolt of outflow pipe

Manifold bolt

Coolant temperature sensor

Manifold bracket1.9

3.0

2.0

2.0

1.1

1.4

Exhaust Manifold

Screw bolt of emission manifold cover

Screw bolt of inflow duct joint

Exhaust manifold nut ( M8)

Exhaust manifold nut ( M10)

Screw bolt of coolant bypass duct joint

Screw bolt of coolant duct component

Thermostathousing bolt

Water pump screw bolt1.4

2.4

3.0

5.0

2.4

1.3

2.4

1.4

Rocker and Camshaft

Rocker cover screw bolt

Screw bolt of rocker and camshaft assembly

Trust bearing cover bolt0.4

3.2

1.9

Cylinder Cover and Valve

Cylinder cover bolt2.09090

Front cover & Engine oil pump

Drain plug

Oil pan

Screw bolt and nut of oil strainer

Oil pressure switch

Pressure relief plug

Screw bolt of oil cleaner bracket

Front cover bolt

Plug

Flange bolt

Engine oil pump cover bolt

Engine oil pump cover screw4.5

0.7

1.9

1.0

4.5

1.9

2.4

2.4

3.7

1.6

1.0

Piston and Connecting Rod Assembly

Connecting rod nut2.090100

Crank, Cylinder Body, Flywheel

Flywheel screw bolt

Installation screw bolt of rear cover

Installation screw bolt of bell jar

Installation screw bolt of oil seal cover

Screw bolt of main bearing cover13.5

1.1

0.9

1.1

2.590100

Throttle Body

Bracket screw bolt0.5

Throttle Position Sensor0.35

Screw bolt of idle speed air valve 0.35

Idle speed adjustment bolt and installation nut0.3

II. Special Tools

ToolNumberNamePurpose

MB990767Spanner for crankshaft belt gearUse MD998719 when fixing camshaft belt gear

MB990938HandleUse it together with MD998776 to install crankshaft rear oil seal.

MB991603Balance axle bearing puller limiterUse it with MD998372 together to disassemble reverse balance axle rear bearing and install guiding limiter.

MB991654Cylinder cover bolt spanner (12)Disassemble and assemble cylinder cover bolt.

MD998162Plug spannerDisassemble and assemble front cover plug cock.

MD998285Crankshaft front oil seal ductMD998375 Use MD998375 to install crankshaft front oil seal

MD998371Balance axle bearing pullerDisassemble reverse balance axle front bearing

MD998372Balance axle bearing pullerDisassemble reverse balance axle rear bearing

MD998375Crank shaft front oil seal installer Install crankshaft front oil seal

MD998440Leakage check testerLeakage test for hydraulic post.

MD998441Hydraulic post keeperExhaust air from hydraulic post

MD998442hydraulic post wiringExhaust air from hydraulic post

MD998443hydraulic post keeperUse it when disassembling or assembling rocker shaft component

MD998705Balance axle bearing installerInstall balance axle front and rear bearing.

MD998713Camshaft oil seal installerInstall camshaft oil seal

MD998719Fixing pin for belt gear Use MB990767 to fix camshaft belt gear.

MD998727Oil pan removerDisassemble oil pan

MD998735Valve spring compressorDisassemble and assemble valve and related parts

MD998767Tensioner puller sleeveTiming belt tension adjustment

MD998772Valve spring compressorDisassemble and assemble valve and related parts

MD998774Valve oil seal installerInstall valve oil seal

MD998776Crankshaft rear oil seal installerMB990938 Use MB990938 to install crankshaft rear oil seal.

MD998778Crankshaft belt gear pullerDisassemble crankshaft belt gear

MD998780Piston disassembling and assembling toolDisassemble and assemble piston pin.

MD998781Flywheel stopperFix flywheel and driving disk

MD998783Plug spanner fixerDisassemble and assemble front cover plug

MD998785Timing belt gear stopperKeep balance axle belt gear.

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Engine No. Position

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