Chery S11 / Chery QQ. Manual — part 109

Chery QQ Service Manual

Mechanical Part of SQR 472Engine

5

3) Special Maintenance Tools:

Outside view

Name or symbol

Purpose

Engine disassembly and inspection auxiliary

device

Mount on the engine service

stand

Engine service stand

Disassembly and assembly

of engine

Clamp hole wrench for camshaft timing gears

Disassembly of camshaft

timing gears

Spring bushing puller

Assembly of camshaft Oil

seal

Valve keeper remove tool

Auxiliary tools

Assembly and disassembly

of valve spring retainer lock

Flywheel clamp

Assembly and disassembly

of crankshaft gear

Valve guide punch pin

Disassembly and assembly

of Valve guide

Axial Oil seal replacing device

Oil seal base drive

Chery QQ Service Manual

Mechanical Part of SQR 472Engine

6

Outside view

Name or symbol

Purpose

Piston pin puller

Disassembly and assembly

of piston pin

Embeded combination oil seal and helical

gear puller

Installation of oil seal

Crankshaft pulley holding tool

Disassembly and assembly

of crankshaft pulley

Wrench

Disassembly and assembly

of crankshaft driven gear

Replace valve clearance

adjustment gasket

Water pump pulley locking wrench

Assembly of coolant pump

Measuring

tools

Feeler gauge. Micrometer caliper. Ruler. Dial gauge. Cylinder gauge. Caliber. Pressure gauge. Torque

wrench torque wrench

Tool

Piston ring extractor

Oil

Engine Oil, adhesive

Chery QQ Service Manual

Mechanical Part of SQR 472Engine

7

Chapter 2. Disassembly, Assembly and Maintenance

Disassemble or assemble the engine with roll over stand.

Disassemble or assemble the engine parts on the roll over

stand.

1) Timing Belt

1. Structure Diagram

① Water pump pulley
② Timing shroud
③ Timing belt
④ Torsional damper
⑤ Ti

ming belt back plate

⑥ Tension pulley
⑦ Camshaft timing pulley

※: Components which may

not be reused.

Unit: N·m(kg·cm)

Chery QQ Service Manual

Mechanical Part of SQR 472Engine

8

2. Disassembly

2.1 Remove the water pump pulley as the view showing.

It will be better of disassembling with special tool.

Torque: 25±1.5 N.m

2.2 Disassembly of Timing Belt Cover

Torque: 6±1N.m

2.3 Disassembly of torsional damper

Use special tools to prevent the gear ring from

rotating. When disassembling the fixing bolts of the

torsional damper, make sure that the marks on the

crankshaft timing pulley match with the timing marks

on the engine oil pump.

2.4 Remove the timing belt back plate.