Chery T21 2014 Service Manual page 425

GENERAL INFORMATION
Description
SQR484F engine has the following features:
 Vertical and water-cooled type
 In-line DOHC with 4 cylinders
 Four valves per cylinder
 DVVT
 Aluminum cylinder head
 Aluminum cylinder block
 Aluminum crankshaft frame
Operation
SQR484F engine adopts vertical, in-line 4-cylinder, water-cooled, 4-stroke, four valves per cylinder, DOHC,
DVVT, electronic controlled sequential multiport fuel injection and natural aspiration. The engine is made of
whole aluminum and adopts electronic controlled coil double ignition system.
Aluminum oil pan is fixed to the bottom of crankshaft frame with bolts. Aluminum cylinder head is fixed on the
cylinder block with bolts. Camshafts are installed in the cylinder head. Power output from the crankshaft drives
the camshaft to rotate by crankshaft timing pulley and timing belt to make the camshaft interact with valve
hydraulic lifter to open and close. Piston assembly is an aluminum piston with cast iron connecting rod. This
engine has reliable structure and good performance.
Specifications
SQR484F Engine Specifications
Item
Engine Type
Engine Model
Valve Number Per Cylinder
Cylinder Diameter (mm)
Piston Stroke (mm)
Displacement (L)
Compression Ratio
Combustion Chamber Type
Fuel Supply Type
Ignition Type
Ignition Sequence
Idle Speed (r/min)
Rated Power (kW)
Rated Power Speed (r/min)
Max. Torque (N·m)
Max. Torque Speed (r/min)
Chery Automobile Co., Ltd.
Vertical, in-line 4-cylinder, water-cooled, 4-stroke, DOHC, electronic
controlled sequential multiport fuel injection, Variable Valve Timing (VVT)
Electronic controlled sequential multiport fuel injection
07 - SQR484F ENGINE MECHANICAL
Specification
SQR484F
4
83.5
90
1.971
10:1
Pentroof type
Electrical control
1 - 3 - 4 - 2
750 ± 50
102
5750
182
4300 - 4500
SQR484F ENGINE MECHANICAL
07
3
07–