11A-159
TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
F4R
11A
a Fit:
-a new cylinder head gasket,
-the cylinder head equipped with new bolts on the
cylinder block.
a Check that the centring devices are present and in
good condition on the cylinder block.
a Fit the new cylinder head bolts in order without tigh-
tening.
a Pretighten in order and to torque the cylinder head
bolts (30 N.m).
a Check that all new cylinder head bolts are correctly
tightened to a torque of 30 N.m.
a Angle tighten in order the cylinder head bolts (180˚
±±
±±
25˚).
III - FINAL OPERATION
a
a Reprime the hydraulic tappets (hydraulic tappets
may empty if they have been removed for some ti-
me).
a To check if repriming is necessary, press the top of
the tappet (19) with your thumb.
a If the tappet piston sinks, dip the tappet in a contai-
ner filled with diesel.
a Press on the top of the tappet to expel air bubbles.
a Refit:
- the hydraulic tappets,
- the valve rockers.
a Refit:
- the camshafts (see 11A, Top and front of engine,
Camshaft: Removal - Refitting, page 11A-114) ,
- the rocker cover (see 11A, Top and front of engi-
ne, Rocker cover: Removal - Refitting, page
11A-88) ,
- new timing end camshaft seals (see 11A, Top and
front of engine, Camshaft seal at timing end:
Removal - Refitting, page 11A-186) ,
- the oil separator (see 11A, Top and front of engi-
ne, Oil decanter: Removal - Refitting, page 11A-
205) ,
121293
Note:
Do not retighten the cylinder head bolts after
applying this procedure.
14499
Note:
Because this engine is equipped with hydraulic
tappets, there is no valve clearance adjustment.
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