Chery QQ - Page 263

Chery QQ Service Manual Chassis System
 Put down pedal >60mm and fix with bracket to prevent liquid flow out.
 Remove the brake pipe AB on master cylinder and marked with dot. Block the
outlet with rubber cover.
 Remove brake liquid pipe 1—4 and marked with dot. Block the outlet with rubber
cover.
 Loosen the bolts fixing HECU to support.
 Remove HECU from support.
(4)、Replace HECU
 Remove the harness of pump motor.
 Remove 4 bolts and don’t reuse.
 Separate HCU and ECU.
 Install new HCU on ECU.
 Screw the bolts fixed HCU on ECU with torque 2-4 Nm.
 Insert the harness of motor.
4
2
3
1
B
A
(5)、Replace ECU
 Remove the harness.
 Remove 4 bolts and don’t reuse.
 Remove HCU from ECU.
 Install new HCU on ECU.
 Screw the bolts fixed HCU on ECU with
torque 2-4 Nm.
 Insert the harness of motor.
(6)、Install ABS assembly again
Attention：Only remove the cover on hydraulic
outlet while install the brake pipe to prevent
the matter dropping into system.
 Install ABS assembly on support with torque 16-24Nm.
A 前活塞 B 后活塞
1 右前轮 2 左后轮
3
右后轮
4
左前轮
A.Front piston; B.Rear piston
1.Right front wheel;2.Left rear wheel
3.Right rear wheel;4.Left front wheel
 Remove the cover on hydraulic outlet and install brake pipe with torque 8-16Nm
M10×1 and 12-18Nm M12×1.
 Make sure the pipe is installed correctly.
 Charge new brake fluid to MAX position and exhaust gas according to
specification.
 Turn on ignition switch, ABS warning light will be up for 1.7 second and turn
off.
 Clear DTC.
 Drive the vehicle to confirm the function of ABS and feel pedal is rebound.
11、ABS ECU Socket
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Chery Automobile Co., Ltd