Renault Laguna III Manual page 1671

Particle filter pressure sensor: Removal - Refitting
M9R
2 - Without adapter replacement
a Refit the particle filter upstream pressure measure-
ment connection on its screw adapter to the exhaust
pipe, positioning it in the groove on the indexing
bracket (4) .
Note:
Use an open-jawed spanner to hold the adapter
union in place and prevent it from loosening. Any
loosened adapter union must be replaced.
a Torque tighten the particle filter upstream pres-
sure measurement connection (21 Nm).
a Clip the particle filter downstream temperature sen-
sor onto the particle filter downstream pressure
measurement connection, respecting the colour
coding on the wiring.
III - FINAL OPERATION.
a Refit:
- the particle filter (see 19B, Exhaust, Particle fil-
ter: Removal - Refitting, page 19B-71) ,
- the engine undertray,
- the engine undertray bolts.
EXHAUST
124153
19B-105
19B