Chery QQ - Page 232

Chery QQ Service Manual Chassis System
３、When the engine is running, step
on the brake pedal, and stop the
engine while stepping on the brake
pedal.
４、Step on the pedal and keep for 30
seconds.
If there is no replace in the pedal
height, it means the operation is
normal. If the pedal rises, it means
the operation is not normal.
Attention：If the checks fail, the
inspections on the vacuum tube and
sealing parts will be needed.
Make proper replacements of the
defective parts. Repeat all the tests
after replacing the parts.
Steps of installation
Holding
Once, Twice, Three times
Holding
1． Align 4 bolts on vacuum booster in
left engine compartment to 4 holes on
front board.
2． Screw 4 bolts with torque
23-27N.m.
3． Use pins to connect the pedal and
vacuum booster lever and install
pins.
4． Install brake light switch.
Adjust the position of light. Insert
switch connector.
5． Install master cylinder and
prorating valve to the booster. Screw
2 bolts with 16N.m.
7. Connect vacuum hose on the
booster.
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Chery Automobile Co., Ltd