Heated Exhaust Gas Oxygen (HEGO) sensor - removal and refitting
Note: A new sealing ring will be required on refitting.
Removal
1 Apply the handbrake, then jack up the front
of the vehicle and support it on axle stands
(see “Jacking and Vehicle Support”).
2 Disconnect the battery negative lead.
3 Unclip the wiring and disconnect the sensor wiring plug (see illustration).
17.3 Heated exhaust gas oxygen (HEGO) sensor - 1.4 CFI engine
A Sealing ring
B HEGO sensor
C Sensor shield
4 Remove the sensor heat shield, then unscrew the sensor from the exhaust downpipe, and carefully remove it complete with sealing ring.
Warning: Do not touch the tip of the HEGO sensor.
Refitting
5 Refitting is a reversal of removal, bearing in
mind the following points.
6 Clean the sensor threads, and take care not to touch the tip of the sensor during the refitting procedure.
7 Use a new sensor sealing ring.
8 Tighten the sensor to the specified torque.
9 On completion, start the engine and check for leaks between the sensor and the exhaust downpipe.
See also:
Knock sensor - removal and refitting
Removal
1 The knock sensor is screwed into the
cylinder block, near the oil filter (see
illustration).
15.1 Knock sensor location - 1.4 CFI engine
A Knock sensor
B Wiring plug
C Securing bolt ...
Throttle valve control motor - removal and refitting
Removal
1 Disconnect the battery negative lead.
2 Remove the air cleaner assembly.
3 Disconnect the wiring plugs from the motor
and the throttle position sensor.
4 Remove the screws securing the ...
Rear suspension front mounting (Saloon, Hatchback and Estate models) -
renewal
1 Chock the front wheels, jack up the rear of
the vehicle and support on axle stands placed
under the side members.
2 Unscrew and remove the three bolts
securing the relevant front guide plate to ...
