Chery Tiggo 5 (T21). Service manual — part 21
2
04
04–
3
04
SQR484F ENGINE MANAGEMENT SYSTEM
Specifications
Torque Specifications
Description
Torque (N·m)
Coolant Temperature Sensor
11 - 16
Knock Sensor Fixing Bolt
20 ± 5
Engine Speed Sensor Fixing Bolt
8 ± 2
Camshaft Position Sensor Fixing Bolt
8 ± 0.5
VVT Control Valve Fixing Bolt
8 ± 2
Engine Control Module Bracket Fixing Nut
7 ± 1
04–
4
04
SQR484F ENGINE MECHANICAL
Specifications
SQR484F Engine Specifications
Item
Specification
Engine Type
Vertical, in-line 4-cylinder, water-cooled, 4-stroke, DOHC, electronic
controlled sequential multiport fuel injection, Variable Valve Timing (VVT)
Engine Model
SQR484F
Valve Number Per Cylinder
4
Cylinder Diameter (mm)
83.5
Piston Stroke (mm)
90
Displacement (L)
1.971
Compression Ratio
10:1
Combustion Chamber Type
Pentroof type
Fuel Supply Type
Electronic controlled sequential multiport fuel injection
Ignition Type
Electrical control
Ignition Sequence
1 - 3 - 4 - 2
Idle Speed (r/min)
750 ± 50
Rated Power (kW)
102
Rated Power Speed (r/min)
5750
Max. Torque (N·m)
182
Max. Torque Speed (r/min)
4300 - 4500
Max. Permissible Speed (r/min)
5800
Min. Fuel Consumption Rate
(g/kW·h)
250
Oil and Fuel Consumption
Percentage
≤ 0.15
Fuel Octane Number (Not Less
Than)
Unleaded gasoline, octane number 93
Oil Octane Number
In Summer
SAE 10W-40 (SM grade or higher)
In Winter
SAE 5W-40 (SM grade or higher)
Oil Capacity (L)
3.9 ± 0.5
Crankshaft Rotation Direction
Counterclockwise (viewed from cross section of engine flywheel)
Starting Type
Electrical starting
Cooling Type
Forced circulation type antifreeze cooling
Lubrication Type
Compound type (pressure, splash lubrication)
Fuel Pressure (bar)
4
04–
5
04
Engine Mechanical Specifications
Cylinder Compression
Pressure (bar)
(180 ~ 250) r/min
10 - 13.5
Oil Pressure (kPa)
Low Idling Speed (700 ± 50 r/min)
Higher than 150 kPa
(when oil temperature is 90°C)
High Idle Speed (2000 r/min)
Higher than 360 kPa
(when oil temperature is 90°C)
High Speed (4000 r/min)
Higher than 470 kPa
(when oil temperature is 90°C)
Thermostat Operation
Temperature (°C)
Open Temperature
87 ± 2
Full Open Temperature
102
Net Weight (kg)
148
Boundary Dimension (Length ×
Width × Height) (mm)
641 × 613 × 644
Starting Performance
With atmospheric temperature at -25°C, engine can start smoothly within
30 seconds without taking special measures. Starting test shows that
staring can be performed 3 times consecutively. If it fails to start once,
perform starting again after 2 minutes.
Item
Specification
Item
Specification
Camshaft
Cam Height (mm)
Intake Cam
37.65
Exhaust Cam
37.06
Camshaft Journal
Diameter (mm)
Intake Cam
23.947 - 23.960
Exhaust Cam
23.947 - 23.960
Camshaft Axial
Clearance (mm)
Intake Cam
0.15 - 0.20
Exhaust Cam
0.15 - 0.20
Cylinder Head
Lower Surface Flatness (mm)
0.04
Overall Height (mm)
139.83 ± 0.335
Surface Grinding Limit
Grinding is not permitted
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