Chery A21 2005, Service Manual, Page: 391 / 475

CHERY A21 SERVICE MANUAL MECHANISM OF 2.0NALC ENGINE
2
CHAPTER 1 ENGINE PARAMETER AND SPECIAL MAINTENANCE TOOLS
SECTION 1 TECHNOLOGY DATA INSTRUCTION
ENGINE CHARACTER
Engine Model SQR481H
Engine Type
4-Cylinder, Water Cooled, In-line Double
Overhead Camshaft, 16 Valve,
Controllable Burning Rate, Variable Valve
Timing
Cylinder Diameter
（
mm
）
83.5
Piston Stroke (mm) 90
Displacement (L) 1.971
Compression Ratio 10
Rated Power
（
Kw
）
95
Rev at Rated Power
（
r/min
）
5500
Max. Torque
（
N
●
M
）
180
Rev at Max. Torque
（
r/mim
）
4000
Minimum Fuel Consumption Rate
（
g/Kw.h
）
301
Cylinder Pressure
（
Bar
）
10
±
0.2
Fuel Pressure
（
Bar
）
4
Low Idle Speed
（
800
±
50r/min
）
High Idle Speed
（
2000r/min
）
Engine Oil
Pressure
（
Bar
）
High Speed
（
4000r/min
）
High Pressure Circuit 2--3
A/C Circuit
Pressure
（
Bar
）
Low Pressure Circuit 12---16
Pressure Relief Valve
（
Release Pressure to
Outside
）
88
±
14.5
Expansion Tank
Cap
（
kpa
）
Vacuum Valve
（
Lead Air
into Tank
）
-10~~~~-2
Start Working
Temperature
87 Thermostat
Working
Temperature
（ ℃ ）
Full Working
Temperature
104
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