Page 240 of 652

11A-123
TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
K4M
11A
II - REFITTING OPERATION
aRefit:
-the cylinder head,
-the new cylinder head bolts.
aWithout tightening, fit the cylinder head bolts in or-
der.
aPretighten to torque and in order the cylinder head
bolts (initial torque) (20 N.m).
aCheck that all of the new cylinder head bolts are
tightened to the correct torque (20 N.m).
aAngle tighten in order the cylinder head bolts (240˚
±± ± ±
6˚).III - FINAL OPERATION
aPosition the injector wiring.
aConnect the injector connectors.
aFit the wiring bracket on the water chamber.
aRefit:
-the wiring bracket bolt on the water chamber,
-the bolts of the engine wiring channel.
aClip on the water chamber wiring.
aConnect:
-the coolant temperature sensor connector,
-the heater matrix inlet hose to the water chamber,
-the cooling radiator top hose to the water chamber.
aUsing the (Mot. 1448) or (Mot. 1202-01) or (Mot.
1202-02) fit:
-the cooling radiator top hose clip on the water
chamber,
-the heater matrix inlet hose clip on the water cham-
ber.
aRefit:
-dipstick guide ,
-the dipstick,
-the exhaust manifold (see 12A, Fuel mixture, Ex-
haust manifold: Removal - Refitting, page 12A-
48) .
-the front right-hand wheel driveshaft (see Front
right-hand driveshaft: Removal - Refitting)
(29A, Driveshafts),
-the camshafts (see 11A, Top and front of engine,
Camshaft: Removal - Refitting, page 11A-82) ,
-the rocker cover (see 11A, Top and front of en-
gine, Rocker cover: Removal - Refitting, page
11A-66) ,
-the camshaft seals on the timing end (see 11A,
Top and front of engine, Camshaft seal, timing
end: Removal - Refitting, page 11A-138) ,
-the camshaft dephaser (see 11A, Top and front of
engine, Camshaft dephaser: Removal - Refit-
ting, page 11A-135) ,
-the timing belt (see 11A, Top and front of engine,
Timing belt: Removal - Refitting, page 11A-27) ,
-the crankshaft accessories pulley (see 11A, Top
and front of engine, Crankshaft accessories
pulley: Removal - Refitting, page 11A-20) ,
103259
WARNING
In order to ensure that the bolts are correctly
tightened, use a syringe to remove any oil which
may be in the cylinder head mounting holes.
WARNING
Do not oil the new bolts. Be sure to oil bolts
being reused.
WARNING
Do not retighten the cylinder head bolts after
applying this procedure.
Page 295 of 652

12A-30
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D7F
12A
aDisconnect the spark plug high voltage wiring har-
ness (2) .
aMove aside the spark plug high voltage wiring har-
ness.
aDisconnect:
-the petrol vapour rebreather pipe from the inlet dis-
tributor (3) ,
-the non-return valve pipe on the inlet distributor (4)
,
-the air inlet pressure sensor connector (5) ,
-the air temperature sensor connector (6) ,
-the injector connector (7) ,-the fuel supply pipe intermediate union (8) ,
-the oil vapour rebreathing pipe from the inlet dis-
tributor.
aRemove the dipstick.
aRemove:
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) ,
-the alternator upper bolt.
aTilt the alternator forward.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the nuts from the air inlet distributor on the
cylinder head.
121737
IMPORTANT
During this operation, be sure to:
-refrain from smoking or bringing red hot objects
close to the working area,
-be careful of fuel splashes when disconnecting
the union.
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to run.
IMPORTANT
Wear latex gloves during the operation.
AIR CONDITIONING
121734
Page 297 of 652
12A-32
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D7F
12A
aIt is essential to apply a bead of FLUORSTAR 2L
grease with a diameter of 2 mm around the inner
edge of the high tension caps.
aConnect the high voltage wiring harness to the spark
plugs.
aClip the high voltage wiring harness onto the inlet
distributor.
aRefit:
-the intermediate plate,
-the intermediate bracket bolts on the throttle valve,
-the motorised throttle valve,
-the motorised throttle valve bolts.
aTorque tighten the motorised throttle valve bolts
(10 N.m)
aRefit:
-the dipstick,
-the air filter unit air outlet pipe.
-the air filter unit air inlet pipe,
-the air inlet scoop on the front end panel.aFit the alternator in place.
aRefit:
-the alternator upper bolt,
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) .
106640
AIR CONDITIONING
Page 299 of 652

12A-34
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D4F, and 772
12A
aDisconnect:
-the oil vapour rebreathing pipe from the inlet dis-
tributor (2) ,
-the non-return valve pipe on the brake servo (3) ,
-the petrol vapour rebreather pipe from the inlet dis-
tributor (4) ,
-the air inlet pressure sensor connector (5) ,
-the inlet air temperature sensor connector (6)
-the throttle valve connector (7) ,
-the injector connectors (8) .
aDisconnect:
-the spark plug high voltage wiring harnesses (9) ,
-the fuel supply pipe union on the injector rail.
aUnpick the engine wiring from the inlet distributor.
aRemove the dipstick.II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the nuts (10) from the inlet distributor on the rocker
cover,
-the inlet distributor bolts from the cylinder head,
-the inlet distributor.
When replacing the inlet distributor
aUsing the workbench, remove:
-the fuel supply pipe to the injector rail,
-the injector rail bolts,
-the throttle valve bolts,
-the throttle valve.
121733
WARNING
To disconnect the spark plug leads, pull on the
extensions and not on the leads.
110421
109729
Page 301 of 652
12A-36
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D4F, and 772
12A
III - FINAL OPERATION
aIt is essential to apply a bead of FLUOSTAR 2L
grease (see Vehicle: Parts and consumables for
the repair) (04B, Consumables - Products) 2 mm in
diameter on the inner edge of the high tension caps.
aConnect:
-the high voltage wiring harnesses to the spark
plugs,
-the fuel supply pipe union on the injector rail,
-the motorised throttle valve connector,
-the injector connectors,
-the air inlet temperature sensor connector,
-the non-return valve pipe on the brake servo,
-the petrol vapour rebreather pipe.
aRefit the dipstick.
aClip the engine wiring onto the inlet distributor.
aRefit the air filter unit (see 12A, Fuel mixture, Air fil-
ter unit: Removal - Refitting, page 12A-13) .
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
106640
Page 305 of 652

12A-40
FUEL MIXTURE
Inlet distributor: Removal - Refitting
K4M
12A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
aRemove:
-the windscreen wiper arms (see Windscreen wip-
er arm: Removal - Refitting) (85A, Wiping -
Washing),-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment),
-the dipstick.
aUndo:
-the clip (1) of the air filter unit air outlet pipe on the
air filter unit side,
-the clip (2) of the air filter unit air outlet pipe on the
throttle valve side.
aDisconnect:
-the oil vapour rebreathing pipe (3) from the air filter
unit air outlet pipe,
-the air outlet pipe of the air filter unit.
aRemove the air outlet pipe from the air filter box. Tightening torquesm
throttle valve bolts10 N.m
inlet distributor bolts12 N.m
clip of the air filter unit
air outlet pipe on the
throttle valve3.5 N.m
clip of the air filter unit
air outlet pipe on the air
filter unit3.5 N.m
IMPORTANT
During this oper ation, be sure to:
-refrain from smoking or bringing red hot objects
close to the working area,
-be careful of fuel splashes when disconnecting the
union.
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to run.
WARNING
To prevent impurities from entering the circuit, plugs
must be fitted to the openings of all the fuel circuit
components exposed to the open air.
132382
Page 309 of 652
12A-44
FUEL MIXTURE
Inlet distributor: Removal - Refitting
K4M
12A
aTorque tighten:
-the clip of the air filter unit air outlet pipe on the
throttle valve (3.5 N.m),
-the clip of the air filter unit air outlet pipe on the
air filter unit (3.5 N.m).
aRefit:
-the dipstick,
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment),
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),
-the windscreen wiper arms (see Windscreen wip-
er arm: Removal - Refitting) (85A, Wiping -
Washing).
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
Page 310 of 652

12A-45
FUEL MIXTURE
Injector holder shim: Removal - Refitting
K4M
12A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery (see ) (80A, Battery).
aRemove:
-the windscreen wiper arms (see Windscreen wip-
er arm: Removal - Refitting) (85A, Wiping -
Washing),
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment).aRemove:
-the dipstick,
-the dipstick guide bolts (1) .
aMove aside the dipstick guide.
aRemove:
-the inlet distributor (see 12A, Fuel mixture, Inlet
distributor: Removal - Refitting, page 12A-29) ,
-the « injector rail - injector » assembly (see 17B,
Petrol injection, Injector rail - Injectors: Remov-
al - Refitting, page 17B-27) . Tightening torquesm
bolts 1 and 2 on the
injector holder shim30 N.m
bolts 3, 4, 5, 6, 7, 8, 9
and 10 on the injector
holder shim25 N.m
upper timing cover bolt40 N.m
bolt on the right-hand
suspended engine
mounting cover62 N.m
132368