Chery Tiggo 5 (T21). Manual - part 138
09–
13
09
Upstream Oxygen Sensor
Removal
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)
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.
RT21090110
RT21110020
RT21090130