Chery S11 / Chery QQ. Manual — part 111

Chery QQ Service Manual

Mechanical Part of SQR 472Engine

13

3.5.2

With flywheel

3.5.2.1

Prevent the gear from rotating with special tool.

3.5.2.2

Then screw down the bolt of torsional damper.

3.6 Assembly of timing cover.

Mount the sealing strips at the positions as indicated in the

right figure. The sealing strips at the position 1 and 2

should be mounted before the assembly of the cylinder

head assembly, and the sealing strip at the position 3

should be mounted before tightening the water pump.

Install the timing cover, screw in the bolts with hand and

then tighten them.

Torque: 6±1N.m

3.7 Installation of water pump pulley.

Torque: 6±1N.m

1

2

3

Chery QQ Service Manual

Mechanical Part of SQR 472Engine

14

2) Camshaft

1. Structure Diagram

(1) Cylinder head chamber cover assembly

(2) Cylinder head cover gasket

(3) Camshaft timing belt

(4) Camshaft cover

(5) Blanking cover

(6) Camshaft bearing cap

(7) Exhaust camshaft assembly

(8) Intake camshaft assembly

(9) Camshaft oil seal

(10) Axial spring retainer ring

(11) Saddle washer

(12) Intake camshaft sub gear

(13) Transmission ring

※: Components which may

not be reused

Unit: N·m(kg·cm)

Chery QQ Service Manual

Mechanical Part of SQR 472Engine

15

2. Disassembly

2.1 ① Cylinder head chamber cover assembly;

② Disassembly sequence

of cylinder head

chamber cover;

2.2 Remove the camshaft timing gear with special tool.

Notice: ·The special tool should be made as indicated in

the right figure.

·

Use the special tool to prevent the camshaft from

rotating.

2.3 Remove the camshaft bearing cap

2.3.1 The marks on the camshaft gear should match

with each other as indicated in the right figure.

Timing Mark

Gear of Intake

Camshaft

Gear of Exhaust

Camshaft

Chery QQ Service Manual

Mechanical Part of SQR 472Engine

16

2.3.2 Position the main sub gear on intake camshaft

with bolts, as can be seen from the right picture.

Notice: In order to eliminate the radial force of the

camshaft, the camshaft should be kept at the horizontal

position in the course of disassembly so as to prevent the

damage caused by the excessively high radial force.

2.4 Disassemble the bolts in the order as indicated in the

right figure, and then disassembly the camshaft bearing

cap.

2.5 Remove the spark plug

2.6 Disassemble the sub gear of the camshaft.

2.6.1 If using the special tools, operate as indicated in

the right figure.

Clamp the camshaft and plug the pins of special tool into

the hole on gear; rotate the gear to keep the meshing of

driven gear and driving gear, and then remove the fixing

bolt of driven gear.

Notice: The surface of the camshaft may not be damaged.

2.6.2 If not using the special tools, operate as indicated

in the right figure.

(1) Screw M6 bolts onto the sub gear of the intake

camshaft at the position as indicated in the right figure.

(2) Use the screwdriver to turn the gear as indicated in

the figure, and disassemble the fixing bolts of the sub

gear.

Notice: The surface of the camshaft may not be damaged.

(3) Disassemble the axial elastic retainer ring with

tensioner and remove the saddle spring washer,

transmission ring, and so on.

2.7 Camshaft

For Fixing

Bolt

Fixing Bolt