Chery T21 2014 Service Manual page 561

Upstream Oxygen Sensor
Removal
WARNING
 Temperature of exhaust system is very high when engine is running. Before removal and installation, you
must make sure that the engine has stopped running; otherwise there is a risk of scald injury.
 Be sure to wear necessary safety equipment when repairing to prevent accidents.
 Try to prevent body paint surface from being scratched during removal and installation.
1. Turn off all the electrical equipment and ignition switch.
2. Disconnect the negative battery cable.
3. Remove the engine trim cover assembly
4. Remove the upstream oxygen sensor.
a. Remove and disconnect the upstream oxygen sensor
connector (arrow) from bracket.
b. Remove 4 fixing bolts (arrow) from exhaust manifold
heat insulator, and remove the exhaust manifold heat
insulator.
(Tightening torque: 23 ± 2 N·m)
c. Remove the upstream oxygen sensor (arrow) from
precatalytic converter assembly.
(Tightening torque: 40 - 60 N·m)
Chery Automobile Co., Ltd.
09 - SQR484F EMISSION CONTROL SYSTEM
(See page 10-10).
09
RT21090110
RT21110020
RT21090130
13
09–