Page 300 of 652
12A-35
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D4F, and 772
12A
REFITTING
I - REFITTING PREPARATION OPERATION
aparts always to be replaced: inlet distributor
seal.
When replacing the inlet distributor
aRefit:
-the throttle valve with a new seal,
-the throttle valve bolts.
aTorque tighten the throttle valve bolts (10 N.m).
aRefit:
-the injector rail,
-the injector rail bolts.
aTorque tighten the injector rail bolts (7 N.m).
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the inlet distributor, with its new seals.
aFit without tightening:
-the inlet distributor nuts on the rocker cover,
-the inlet distributor bolts from the cylinder head,
aPre-tighten to torque:
-the inlet distributor nuts on the rocker cover
(initial torque) (8 N.m),
-the inlet distributor bolts on the cylinder head
(initial torque) (3 N.m).
aTorque tighten in order:
-the inlet distributor nuts on the rocker cover (17
N.m),-the inlet distributor bolts on the cylinder head
(9 N.m).
109729
Page 302 of 652

12A-37
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D4F, and 780 or 782
12A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove the throttle valve (see 12A, Fuel mixture,
Throttle valve: Removal - Refitting, page 12A-20)
.aRemove:
-the engine oil filler neck bolt (1) ,
-the engine oil filler neck in the direction of the arrow
(2) .
aDisconnect the inlet distributor pressure sensor (3) .
aRemove:
-the inlet distributor pressure sensor bolts (4) ,
-the pressure sensor. Tightening torquesm
inlet distributor bolts (ini-
tial torque)4 N.m
inlet distributor bolts12 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.
IMPORTANT
Wear goggles with side protectors for this opera-
tion.
122392
122393
Page 303 of 652

12A-38
FUEL MIXTURE
Inlet distributor: Removal - Refitting
D4F, and 780 or 782
12A
aRemove the « injector rail - injector » assembly (see
17B, Petrol injection, Injector rail - Injectors: Re-
moval - Refitting, page 17B-27) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect:
-the air temperature sensor connector from the in-
tercooler air outlet pipe,
-the air pressure sensor connector from the inter-
cooler air outlet pipe.
aUnclip:
-the inlet distributor wiring,
-the throttle valve wiring on the inlet distributor.
aMove the throttle valve wiring to one side.
aDisconnect the non-return valve pipe from the inlet
distributor.
aMove the non-return valve pipe to one side.
aRemove:
-the inlet distributor bolts,
-the inlet distributor,
-the inlet distributor seal.
REFITTING
REFITTING PREPARATION OPERATION
aparts always to be replaced: inlet distributor
seal.aApply a drop of FRENETANCHE (see Vehicle:
Parts and consumables for the repair) (04B, Con-
sumables - Products) to the inlet distributor bolts.
aRefit:
-the inlet distributor fitted with a new seal,
-the inlet distributor bolts.
aPretighten to torque and in order the inlet distribu-
tor bolts (initial torque) (4 N.m).
aTighten to torque and in order the inlet distributor
bolts (12 N.m).
aPosition the non-return valve pipe on the inlet distrib-
utor.
aConnect the non-return valve pipe on the inlet dis-
tributor.
aFit the throttle valve electrical wiring.
aClip:
-the throttle valve wiring on the inlet distributor,
-the wiring on the inlet distributor. D4F, and 780
120955
120955
120955
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 308 of 652

12A-43
FUEL MIXTURE
Inlet distributor: Removal - Refitting
K4M
12A
aFit new seals to the inlet distributor.
When replacing the inlet distributor
aparts always to be replaced: Throttle valve seal.
aUse SURFACE CLEANER (see Vehicle: Parts
and consumables for the repair) (04B, Consuma-
bles - Products) to clean and degrease:
-the throttle valve joint face if it is to be re-used,
-the inlet distributor seal housing.
aRefit:
-a new seal on the inlet distributor,
-the throttle valve.
aIn order, torque tighten the throttle valve bolts (10
N.m).
aRefit:
-the oil vapour rebreathing pipe,
-the heat shield,
-the air inlet pressure sensor,-the air inlet temperature sensor.
II - REFITTING OPERATION
aRefit:
-a new seal between the injector holder shim and
the inlet distributor,
-the inlet distributor.
aTighten to torque and in order the inlet distributor
bolts (12 N.m).
III - FINAL OPERATION
aConnect the petrol vapour recirculation pipe.
aPosition the wiring.
aClip on the wiring.
aConnect:
-the camshaft dephaser solenoid valve connector,
-the air inlet pressure sensor connector,
-the connector of each coil,
-the air inlet temperature sensor connector,
-the brake servo non-return valve,
-the throttle valve connector.
aRefit the air outlet pipe onto the air filter unit.
aConnect:
-the air outlet pipe of the air filter unit,
-the oil vapour rebreathing pipe on the air filter unit
air outlet pipe. WARNING
The joint faces must be clean, dr y and free from
grease (avoid finger 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.
132383
132371
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
Page 311 of 652

12A-46
FUEL MIXTURE
Injector holder shim: Removal - Refitting
K4M
12A
II - REMOVAL OPERATION
aRemove the bolt (2) from the right-hand suspended
engine mounting cover.
aRemove:
-the bolt (3) from the upper timing cover,
-the injector holder shim bolts,
-the injector holder shim,
-the injector holder shim seal.REFITTING
I - REFITTING PREPARATION OPERATION
aparts always to be replaced: Inlet shim seal.
aUse SURFACE CLEANER (see Vehicle: Parts
and consumables for the repair) (04B, Consuma-
bles - Products) to clean and degrease:
-the cylinder head joint face,
-the gasket face of the injector holder shim, in case
of reuse.
II - REFITTING OPERATION
aRefit:
-a new seal on the injector holder shim,
-the injector holder shim.
aTighten to torque and in order:
-bolts 1 and 2 on the injector holder shim (30
N.m),
131777
102303
WARNING
The joint faces must be clean, dr y and free from
grease (avoid finger 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.
102303