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Chery QQ Service Manual Chassis System
Fixture
Screw exhaust valve to 8N.m.
12. If imperatively replace as
follows all rubber parts.
Brake hose assembly.
Master brake cylinder rubber
parts.
Brake pliers and brake drum seal.
13. Drain out air in the system.
Please refer to “Drain out air in the
system”.
14. Check the fluid level in the
reservoir. Fill the fluid to correct
level if necessary.
15. Install reservoir cover.
16. Lower vehicle
Check whether leak
1. Connect test pipe with brake
pliers and brake drum.
2. Install pressure gauge to display
the pressure.
3. Repeat step down the pedal hard
to set up 20 Pa pressure.
4. Install the pedal tensioner
between driver seat and the pedal.
5. Test time is lasting about 5
minutes.
6. If no leak in the system, the
pressure set up will keep constant.
7. If the pressure is dropping, check
if any leak in the system. Drain out
the air in the system.
7、Vacuum actuator replace
Disassembly procedure
1、Remove master cylinder and
prorating valve from vacuum booster.
Points of Attention
Don’t remove brake pipe from master
cylinder and prorating valve.
2、Remove vacuum hose from vacuum
booster.
3、Remove brake light switch
connector. Turn light switch to pull
out.
4、Remove spring pins of brake pedal
and vacuum booster lever and pull out
pins.
Attention:Remove vacuum booster only
the lever and the pedal is
disconnected.
5、Loosen 4 bolts on vacuum booster.
6、Pull out vacuum booster from left
of engine.
Vacuum actuator check
There are two methods for checking
vacuum booster. One is to use tester.
The other is confirming working
condition without tester.
Attention:
Make sure no any air in system during
checking.
20
Chery Automobile Co., Ltd
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Page 375: ...Chery QQ Service Manual BCM Computer Control System 3 Audio circuit diagram 96...
Page 405: ...Chery QQ Service Manual BCM Computer Control System 126 Fuse and relay of the engine chamber...
Page 406: ...Chery QQ Service Manual Inspection and Repair of BCM Computer Control System 127...
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Page 538: ...Chery QQ Service Manual Body System 2 5 2 2 Front view figure 27 Chery Automobile Co Ltd...
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Page 600: ...S11 Brake System...
Page 617: ...5 Rear end Leakage In contact Primary piston Secondary piston Rear end leakage...
Page 619: ...Proportioning valve Proportioning Valve...
Page 622: ...LF wheel Proportioning Valve RR wheel RF wheel RF wheel...
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