Chery QQ6 (S21) / S12LHD. Manual — part 233

III. Installation of Crank-Connecting Rod System

The installation order is adverse to that for

disassembly, but care should be taken for the

following matters. 1. Installation of crankshaft thrust

sheet.

When installing the crankshaft thrust sheet, leave

the side with oil groove outwards.

2. Installation of crankshaft front oil seal

2.1 Clear smudge on oil seal seat ring, and then

apply a layer of lubricant on the seat ring.

2.2 Apply a layer of engine lubricant on the oil seal

lip.

2.3 Enclose the new oil seal with lubricant applied

into the special tool. Press the special tool against

the oil seal seat ring and softly strike to compact.

3. Installation of crankshaft rear oil seal

3.1 Clean the oil seal seat ring. Dip engine oil with a

piece of gauze and then use it to clear the impurities

inside the oil seal seat ring.

3.2 Apply a layer of engine oil uniformly on

crankshaft rear oil seal lip and a little engine oil

uniformly on outer ring of oil seal. Envelope the oil

seal onto the special tool and then press it into the

oil seal seat ring.

4. When installing cylinder cushion, install it with

the side with word up.

Note:

The cylinder cushion has been applied with

sealant, so, providing that the cylinder head or cylinder

block has been disassembled, be sure to replace the

cylinder cushion.

5. When installing piston ring, remember to leave

the side of the second ring with word up.

6. The opening position of the piston ring during

installation is as shown in the figure.

7. The label on piston head prompts direction and

position of installation.

8. Use a special tool to install the piston ring.

9. When installing connecting rod bearing shell, pay

attention to installation mark.

First ring

Second ring

Oil ring

First ring

Second ring

Front Liner ring

Rear

Lower blade

Upper blade

10. Method for shell matching.

The tightening torque for installing the fixing bolt of

connecting rod bearing is 25±3Nm (then turn 90±5°

clockwise).

Note:

The machining technique for connecting

rod and connecting rod shell cap adopts Instantly

Swell and Break machining method, so, each

machined surface maintains the shape of original

material. When installing, keep any sundries out

of this machined surface. In addition, only the

two machined surface of the same connecting rod

can completely engage.

11. Use the piston installation special tool to install

the piston.

12. Tighten the fixing bolt of connecting

rod bearing cap.

Tightening torque:

First time: 25±3Nm. Second time: turn

90±5 °.

13. Install the main bearing cap and then

follow the order as shown in the figure to

tighten the bolt.

Tightening torque:

First time: 45±5Nm.

Second time: turn 180±10°.

14. Tighten the fixing bolt of main

bearing cap and cylinder block.

Torque: 20+3 Nm.

Service Manual for Chery

QQ6

(QR513 Transmission Case)

After Sales Service Department of Chery

Automobile Sales Co., Ltd