Geely EC718, EC718RV, EC715, EC715RV. Manual part — 227
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 227
2.16 Engine Mechanical Systems
JL4G15-D
2.16.1 4G15-D Engine Mechanical System
Overview
Compared with 4G18-D, 4G15-D engine mechanical system
has the same content in Specification, Description and
Operation, the System Working Principle, Component Locator,
Schematic, Removal and Installation. For specific information,
please refer to
. This chapter
described contents are different from 4G18-D. For relevant
information. Refer to the following content.
Engine
Engine Mechanical Systems JL4G15-D
2-823
2.16.1 Specifications
2.16.1.1 Fastener Tightening Specifications
Applications
Model
Specifications
Metric (Nm)
US English (lb-ft)
Spark Plug Bolts
M14 × 1.25
20-30
14.8-22.2
Cylinder Head Cover (Short Bolts)
M6
7-11
5.2-8.2
Cylinder Head Cover (Long Bolts,
Nuts, Special Bolts)
M6
9-13
6.7-9.6
Knock Sensor Bolt
M8 × 30
14.4-21.6
10.7-16
Cylinder Head Bolts
M10 × 1.25
First Pass 46-52
First Pass 34-38.5
Second Pass 76-84
Second Pass 56-62.2
VVT Actuator Mounting Bolt
M12 × 1.25
59-81
43.7-60
Intake Manifold Mounting Bolt
M8
24-36
17.8-26.7
Crankcase Mounting Bolt
M8
14.4-21.6
10.7-16
Exhaust Pipe Mounting Bolt
M8
20-30
14.8-22.2
Main Bearing Cap Retaining Bolt
M10 × 1.25
First Pass 42-46
First Pass 31-34
Second Pass 54-66
Second Pass 40-48.9
Flywheel Mounting Bolt
M10 × 1.25
83-93
61.4-68.8
Water Pump Short Mounting Bolt
M6 × 25
8-10
6-7.4
Water Pump Long Mounting Bolt
M6 × 35
9-13
6.7-9.6
Fuel Rail Retaining Bolts
M6 × 20
7.2-10.8
5.3-8
Connecting Rod Cap Retaining Bolt
M8 × 1
First Pass 19-21
First Pass 14-15.5
Second Pass 50-52
Second Pass 37-38.5
Camshaft Bearing Cap Retaining
Bolts
M8 M6
21.6-24.5
12.2-13.8
16-18.2
9-10.2
Oil Pan Retaining Bolts
M6
7.2-10.8
5.3-8
Oil Filter Mounting Bolt
M6
7.2-10.8
5.3-8
Engine Oil Pressure Alarm Bolts
R1 / 8
10.5-19.5
7.8-14.4
Oil Filter Pipe Joints Bolts
M28 × 1.5
16-24
11.8-17.8
Oil Filter Pipe Fittings Bolts
UNF3 / 4 "-16
33-37
24.4-27.4
Crankshaft Pulley Mounting Bolt
M12 × 1.25
129.7-146.3
96-108.3
Generator Through Screw
M10 × 1.25 × 72
43.2-64.8
32-48
Generator Retaining Bolt
M8 × 30
20-30
14.8-22.2
Clutch Assembly Mounting Bolt
M8
21.6-32.4
16-24
2-824
Engine Mechanical Systems JL4G15-D
Engine
Applications
Model
Specifications
Metric (Nm)
US English (lb-ft)
Water Pump Outlet Components
Bolt
M10
25 and Above
18.5 and Above
Oil Pump Mounting Bolt
M6
7.2-10.8
5.3-8
Timing Chain Cover Bolt
M8
14.4-21.6
10.7-16
Timing Chain Cover Bolt
M6
8.8-13.2
6.5-9.8
Engine Right Mounting Bolts
M10 × 55
37.6-56.4
27.8-41.7
Drive Belt Tensioner Bolt
M12
55.2-82.8
40.8-61.3
Drive Belt Tensioner Nut
M8
23.2-34.8
17.2-25.8
Exhaust Camshaft Timing Sprocket
Mounting Bolt
M10
43.2-64.8
32-48
Oil Pan Oil Discharge Bolt
M12
25-35
18.5-25.9
Manufacturing Hole Plug
M20
39-49
28.8-36.1
Cylinder Head Oil Drain Plug
M14 × 1.25
24-36
17.7-26.6
Engine Hook Bolt
M10 × 1.25
27-49
19.9-36.1
Heater Outlet Pipe Components
Bolt
M6
7-11
5.2-8.1
Timing Chain Rail Mounting Bolt
M6
7-11
5.2-8.1
Timing Chain Tensioner Rail Mount
Bolt
M8
15-21
11.1-15.5
Timing Chain Tensioner Mounting
Bolt
M6
7-11
5.2-8.1
PCV Valve
NPT 3 / 8
20-30
14.8-22.1
Engine Coolant Inlet Connector
Components Retaining Bolt
M6
9-13
6.6-9.6
Oil Stick Tube Assembly Mounting
Bolt
M6
9-13
6.6-9.6
Ignition Coil Components
M6
7-11
5.2-8.1
Throttle Body Components
Retaining Bolt
M6
15-25
11.1-18.4
Stiffener To Install Intake Manifold
Retaining Bolt
M8
24-36
17.7-26.6
Upper (Lower) Heat Shield
Components Retaining Bolt
M8
14-22
10.3-16.2
Exhaust Manifold Bracket Retaining
Bolts
M10 × 1.25
28-42
20.7-31.0
Engine
Engine Mechanical Systems JL4G15-D
2-825
Applications
Model
Specifications
Metric (Nm)
US English (lb-ft)
Power Steering Pump Mounting
Bolt
M10
36-54
26.6-39.8
Compressor Retaining Bolt
M8
20-30
14.8-22.1
VVT Solenoid Valve Components
Retaining Bolt
M6
7-11
5.2-8.1
2.16.1.2 Mechanical System Specifications
Items
Specifications
Bore (mm/in)
77.8/3.07
Stroke (mm/in)
78.8/3.10
Displacement (L)
1.498
Compression Ratio
10.3:1
Power (km/rpm)
78/6,000
Torque (Nm/rpm)
135/4,800
Idle Speed (rpm)
750 ± 50 (Air-Conditioning A/C ON, 1,000 ± 50)
Ignition Sequence
1-3-4-2 (Cylinder No.1,4 and Cylinder No.2,3 group ignition)
Fuel
Octane Number 93 and Above Unleaded Motor Gasoline
Engine Coolant Capacity (L/pt)
6.0/10.56
Engine Oil Capacity (L/pt)
4.0/7.04
Engine Coolant Specifications / Grades
Comply With SH0521 (Freezing Point
≤-40°C (-40 ºF)
Lubricant Specification / Grades
SAE10W-30 or 15W-40, API quality grade SJ and above, (winter
cold regions use SAE5W-30)
Spark Plug Type
K6RTC
Spark Plug Gap (mm/in)
0.9 ± 0.1/0.04 ± 0.003
Dry Mass (kg/lb)
Without Starter, With Oil, Coolant, Wiring Harness, and Clutch
110 ± 2/242.51 ± 4.41
Overall Size (LxWxH) mm/in
631 × 600 × 620/24.84 × 23.62 × 24.41
Camshaft
Journal Diameter (mm/in)
23/0.91
Camshaft Axial Clearance (mm/in)
0.05-0.12/0.0020- (-0.0047)
Intake Valve Clearance (mm/in)
0.23 ± 0.03/0.0091 ± 0.0011
Exhaust Valve Clearance (mm/in)
0.32 ± 0.03/0.0126 ± 0.0011
Intake VVT Adjustment Range
± 25 °
2-826
Engine Mechanical Systems JL4G15-D
Engine
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