Renault Laguna III Manual page 682

TOP AND FRONT OF ENGINE
K9K
Special tooling required
Mot. 856-02 Dial gauge support.
Mot. 252-01 Pressure plate for measuring
piston liner protrusion.
Equipment required
indelible pencil
Dial gauge
magnetic holder
ADJUSTMENT
I - ADJUSTMENT PREPARATION STAGE
a Disconnect the battery (see Battery: Removal - Re-
fitting) (MR 415, 80A, Battery).
a Remove:
- the engine cover,
- the damper valve (see 12A, Fuel mixture, Damp-
er valve: Removal - Refitting, page 12A-39) ,
- the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-51) ,
- the diesel injector fuel return rail (see 13B, Diesel
injection, Diesel injector fuel return rail: Re-
moval - Refitting, page 13B-108) ,
- the rocker cover (see 11A, Top and front of en-
gine, Rocker cover: Removal - Refitting, page
11A-139) .
Valves: Adjustment
11A-304
II - ADJUSTMENT OPERATION
a Set the cylinder valves (1) in the end of exhaust, be-
ginning of inlet position.
a Check the valve clearance (X) of the cylinder (4)
using a set of feeler gauges:
- inlet valve clearance of 0.20 mm,
- exhaust valve clearance of 0.40 mm.
a Note the clearance values.
a Repeat the previous operation on the other cylin-
ders.
- position cylinder n˚3 at TDC and adjust cylinder n˚2
clearance,
- position cylinder n˚2 at TDC and adjust cylinder n˚3
clearance,
- position cylinder n˚4 at TDC and adjust cylinder n˚1
clearance.
a Compare the values noted with the specified values.
a Remove:
- the camshaft (see 11A, Top and front of engine,
Camshaft: Removal - Refitting, page 11A-245) ,
- the valve tappet(s) which are outside the permitted
tolerance values by marking their position using a
indelible pencil.
11A
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