Renault Laguna III Manual page 1623

Intermediate pipe: Removal - Refitting
K9K
a Remove:
- the exhaust clamp (2) between the intermediate
pipe and the silencer,
- the intermediate pipe.
REFITTING THE INTERMEDIATE PIPE
a Parts always to be replaced:
- the sealing ring on the catalytic converter (for vehi-
cles produced before 02/04/2008)
- the exhaust clamp between the intermediate pipe
and the silencer
I - FOR VEHICLES PRODUCED BEFORE 02/04/2008
a Clean the bearing faces of the intermediate pipe and
the catalytic converter using abrasive pads (see
Vehicle: Parts and consumables for the repair) .
a Afterwards, degrease these bearing faces using
surface cleaner (see Vehicle: Parts and consum-
ables for the repair) and clean cloths.
a Fit:
- a new sealing ring on the catalytic converter,
- the intermediate pipe, using a component jack.
a Tighten the intermediate pipe bolts on the catalytic
converter.
a Refit the silencer (see 19B, Exhaust, Silencer: Re-
moval - Refitting, page 19B-64) .
a Refit the engine undertray.
EXHAUST
a Lower the vehicle on the lift.
II - FOR VEHICLES PRODUCED FROM 02/04/2008
a Refit the intermediate pipe, using a component jack.
a Fit a new exhaust clamp between the intermediate
pipe and the silencer.
a Fit without tightening the exhaust clamp between the
intermediate pipe and the silencer to keep the inter-
mediate pipe on the silencer.
a Fit a new exhaust sleeve between the intermediate
pipe front section and the intermediate pipe (see
19B, Exhaust, Exhaust: Precautions for the re-
pair, page 19B-18) .
a Adjust the intermediate pipe in relation to the silenc-
er in order to prevent leaks from the connection.
a Torque tighten the exhaust clamp between the in-
termediate pipe and the silencer (21 N.m).
a Check for leaks and contact with the underbody (see
123351
19B, Exhaust, Exhaust: Precautions for the re-
pair, page 19B-18) .
Lower the vehicle on the lift.
REMOVING THE FRONT SECTION OF THE
INTERMEDIATE PIPE
a
Cut the exhaust pipe (see 19B, Exhaust, Exhaust:
Precautions for the repair, page 19B-18) between
the intermediate pipe front section and the interme-
diate pipe, in the designated cutting zone (see 19B,
Exhaust, Exhaust: List and location of compo-
nents, page 19B-1) .
19B-57
Note:
This method is applicable only to exhaust pipes
which have a cutting zone, produced from 02/04/
2008.
19B