Renault Laguna III Manual page 1239

Exhaust gas cooler: Removal - Refitting
V9X
REMOVAL
I - REMOVAL PREPARATION OPERATION
a Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
a Disconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
a Remove:
- the engine cover,
- the engine undertray bolts,
- the engine undertray.
a Drain the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-16) .
a Remove:
- the lower engine tie-bars (see 1 9 D, Engine
mounting, Lower engine tie-bar: Removal - Re-
fitting, page 19D-85) ,
- the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-51) ,
- the exhaust gas recirculation rigid pipe (see 14A,
Antipollution, Exhaust gas recirculation rigid
pipe: Removal - Refitting, page 14A-62) ,
- the exhaust gas recirculation solenoid valve (see
14A, Antipollution, Exhaust gas recirculation
solenoid valve: Removal - Refitting, page 14A-
11) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
a Remove:
- the exhaust gas cooler,
- the exhaust gas cooler seals.
REFITTING
I - REFITTING PREPARATION OPERATION
a parts always to be replaced: exhaust gas cooler
seal (11,07,01,17).
a Clean the bearing faces using ABRASIVE PADS
on:
- the exhaust gas recirculation solenoid valve,
- the exhaust gas recirculation cooler.
ANTIPOLLUTION
14A-38
a Use SURFACE CLEANER (see Vehicle: Parts
and consumables for the repair) (04B, Consuma-
bles - Products) and CLEAN CLOTHS to degrease
the bearing faces:
- of the exhaust gas recirculation solenoid valve,
- of the exhaust gas recirculation cooler.
WARNING
To ensure proper sealing, the gasket surfaces
must be clean, dry and not greasy (avoid any fin-
ger marks).
WARNING
Do not scrape the joint faces of the aluminium,
any damage caused to the joint face will result in
a risk of leaks.
II - REFITTING OPERATION FOR PART
CONCERNED
a Refit:
- new exhaust gas cooler seals,
- the exhaust gas cooler.
III - FINAL OPERATION
a Refit:
- the exhaust gas recirculation solenoid valve (see
14A, Antipollution, Exhaust gas recirculation
solenoid valve: Removal - Refitting, page 14A-
11) ,
- the exhaust gas recirculation rigid pipe (see 14A,
Antipollution, Exhaust gas recirculation rigid
pipe: Removal - Refitting, page 14A-62) ,
- the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-51) ,
- the lower engine tie-bars (see 1 9 D, Engine
mounting, Lower engine tie-bar: Removal - Re-
fitting, page 19D-85) .
a Fill and bleed the cooling system (see 19A, Cool-
ing, Cooling system: Draining - Refilling, page
19A-16) .
a Refit:
- the engine undertray,
- the engine cover.
14A