Renault Laguna III Manual page 1356

Oxygen sensors: Removal - Refitting
M4R
REFITTING THE UPSTREAM OXYGEN
SENSOR
I - REFITTING OPERATION FOR PART
CONCERNED
a Refit the upstream oxygen sensor using the (Mot.
1495-01).
a Torque tighten the upstream oxygen sensor (44
Nm).
a Connect the upstream oxygen sensor connector.
a Clip on the upstream oxygen sensor connector.
II - FINAL OPERATION.
a Refit:
- the engine undertray,
- the engine undertray bolts.
a Tighten the engine undertray bolts.
REMOVAL OF THE DOWNSTREAM
OXYGEN SENSOR
I - REMOVAL PREPARATION OPERATION
a Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 415, 02A, Lifting equip-
ment).
PETROL INJECTION
17B-18
a Remove:
- the bolt (1) from the right-hand side underbody pro-
tector,
- the nut (2) from the right-hand side underbody pro-
tector.
a Remove:
- the right-hand side underbody protector,
- the heat shield behind the right-hand side under-
body protector.
17B
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