Page 99 of 652

10A-93
ENGINE AND CYLINDER BLOCK ASSEMBLY
Engine - gearbox assembly: Removal - Refitting
K9K
10A
II - FINAL OPERATION
aRemove the.
aLubricate the seals using recommended air condi-
tioning oil to make fitting easier.
aRefit:
-the connecting pipes to the compressor,
-the connecting pipe union bolts on the compressor,
-the bolt for the connecting pipe mounting on the
compressor.
aConnect:
-the pressostat connector,
-the hose to the coolant pump inlet pipe using the
tool (Mot. 1448).
aFit:
-the hose clip on the coolant pump inlet pipe using
the tool (Mot. 1448),
-the earth on the front left-hand wing.
aRefit the earth nut on the front left-hand wing.
aClip:
-the engine compartment connection unit relay
plates,
-the fuse holders.
aRefit the fuses.
aConnect the preheating unit connector.
aRefit the earth nut on the front left-hand side mem-
ber.
aFit the engine compartment connection unit.
aRefit the engine compartment connection unit
mountings on the body.
aConnect the black connector.
aClip on the black connector.
aRefit:
-the engine compartment connection unit cover,
-a new clip on the battery mounting to hold the elec-
trical wiring.
aConnect the wiring connectors to the fan assembly.aClip the fan assembly wiring.
aRemove the blanking plugs.
aConnect the high pressure pump inlet pipe.
aClip on the fuel supply pipe.
aConnect the high pressure pump return pipe.
aClip on the fuel return pipe.
aRemove the blanking plugs on the clutch hydraulic
control and on the control pipe.
aConnect the clutch hydraulic control to the gearbox.
aClip:
-the clutch control hydraulic pipe on the gearbox,
-the gearbox controls on the cable sleeve stops,
-the gearbox controls on the gear selectors.
aConnect:
-the hoses to the heater radiator,
-the top hose to the water chamber.
aFit:
-the hose clips on the heater radiator using the tool
(Mot. 1448),
-the clip for the top hose on the water chamber us-
ing the tool (Mot. 1448).
aRefit:
-the front section of the intermediate pipe (see 19B,
Exhaust, Intermediate pipe: Removal - Refit-
ting, page 19B-28) ,
-the front right-hand wheel driveshaft (see Front
right-hand driveshaft: Removal - Refitting)
(29A, Driveshafts),
-the front left-hand wheel driveshaft (see Front left-
hand driveshaft: Removal - Refitting) (29A,
Driveshafts),
-the radiator mounting cross member (see Radiator
mounting cross member: Removal - Refitting)
(41A, Front lower structure),
-the front axle subframe (see Front axle subframe:
Removal - Refitting) (31A, Front axle compo-
nents),
-the engine tie-bar (see 19D, Engine mounting,
Lower engine tie-bar: Removal - Refitting, page
19D-18) . WARNING
To prevent any leaks, check that the seal and the
surface of the pipe are in good condition. The
seal and the surface must be clean and scratch
free.
Page 104 of 652
10A-98
ENGINE AND CYLINDER BLOCK ASSEMBLY
Engine - gearbox assembly: Removal - Refitting
K4M
10A
aDisconnect:
-the fuel vapour absorber bleed solenoid valve pipe
(12) ,
-the fuel vapour absorber bleed solenoid valve con-
nector (13) .aUnclip the fuel supply pipe at (14) .
aDisconnect the fuel supply pipe (15) .
131766131767
WARNING
To prevent impur ities from entering the circuit,
place protective plugs on all fuel circuit compo-
nents exposed to the open air.
Page 107 of 652
10A-101
ENGINE AND CYLINDER BLOCK ASSEMBLY
Engine - gearbox assembly: Removal - Refitting
K4M
10A
aRemove:
-the bolt (27) from the « compressor - intermediate
pipe » connecting pipe,
-the bolt (28) on the « compressor - condenser »
connecting pipe,
-the bolt (29) from the « compressor - intermediate
pipe » connecting pipe mounting.
aDisconnect:
-the pressure sensor connector (30) ,
-the « compressor - intermediate pipe » connecting
pipe,-the « compressor - condenser » connecting pipe.
aInsert the blanking plugs.
aDisconnect the brake servo vacuum pipe union (31)
.
131782
132335
WARNING
To prevent moisture from entering the system,
place plugs on the cold loop components which
are open to the air.
121348
Page 120 of 652
11A-3
TOP AND FRONT OF ENGINE
Accessories belt: Removal - Refitting
D4F, and 772, and STANDARD HEATING – D7F, and STANDARD HEATING
11A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDisconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
aUndo the alternator bolts (1) .
aSwing the alternator towards the engine.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the accessories belt.
REFITTING
I - REFITTING PREPARATION OPERATION
aUse a brush to remove any deposits from the crank-
shaft accessories pulley V grooves.
aparts always to be replaced: Accessories belt.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the accessories belt. Special tooling required
Mot. 1715Belt tension checking tool
(frequency indicator).
Mot. 1505Belt tension setting tool (fre-
quency meter)
Tightening torquesm
alter nator lower bolt50 N.m
alter nator upper bolt25 N.m
120305
WARNING
Only use brushes with plastic or non-corrosive
metal (br ass) bristles.
Page 125 of 652

11A-8
TOP AND FRONT OF ENGINE
Accessories belt: Removal - Refitting
D4F, and 772 or 780 or 782, and AIR CONDITIONING – D7F, and AIR CONDITIONING
11A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aDisconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
aRemove:
-the front right-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres),
-the front right-hand wheel arch liner clips,
-the front right-hand wheel arch liner bolts,
aRemove the lower section of the front right-hand
wheel arch liner.II - OPERATION FOR REMOVAL OF PART
CONCERNED
a
aRemove the accessories belt tensioning roller pro-
tector.
aUndo the accessories belt tensioning roller bolt.
aRemove:
-the accessories belt,
-the accessories belt tensioning roller bolt,
-the accessories belt tension wheel.
REFITTING
I - REFITTING PREPARATION OPERATION
aUse a brush to remove any deposits from the crank-
shaft pulley V-grooves.
aparts always to be replaced: Accessories belt.
aparts always to be replaced: Accessories belt
tensioning roller. Special tooling required
Mot. 1715Belt tension checking tool
(frequency indicator).
Mot. 1505Belt tension setting tool (fre-
quency meter)
Equipment required
open-ended spanner
Tightening torquesm
tensioning roller bolt44 N.m
120775
109766
IMPORTANT
Wear cut-resistant gloves during the operation.
WARNING
Only use brushes with plastic or non-corrosive
metal (br ass) bristles.
Page 131 of 652

11A-14
TOP AND FRONT OF ENGINE
Accessories belt: Removal - Refitting
D4F, and 780 or 782, and STANDARD HEATING
11A
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the accessories belt tensioning roller pro-
tector (2) .
aLoosen the accessories belt tensioning roller bolt (3)
.
aRemove:
-the accessories belt,
-the tensioning roller bolt,
-the accessories belt tension wheel (4) .REFITTING
I - REFITTING PREPARATION OPERATION
aUse a brush to remove any deposits from the crank-
shaft pulley V-grooves.
aparts always to be replaced: Accessories belt,
parts always to be replaced: Accessories belt
tensioning roller,
parts always to be replaced: Accessories ten-
sioning roller bolt (to be replaced by the hexagonal
head bolt, part no. 77 03 101 075).
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the new accessories belt tensioning roller,
-the new tensioning roller bolt,
-the new accessories belt.
122672
122669
WARNING
Only use brushes with plastic or non-corrosive
metal (br ass) bristles.
Page 134 of 652

11A-17
TOP AND FRONT OF ENGINE
Accessories belt: Removal - Refitting
K4M
11A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aDisconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
aRemove:
-the engine undertray,
-the front right-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres),
-the front right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection),
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
-the headlights (see Halogen headlight: Removal
- Refitting) (80B, Headlights),
-the bonnet catch (see Bonnet lock: Removal -
Refitting) (52A, Non-side opening element mecha-
nisms),
-the front upper cross member (see Front upper
cross member: Removal - Refitting) (42A, Upper
front structure).aUnclip:
-the wiring at (1) ,
-the windscreen washer bottle filler neck at (2) ,
-the air conditioning pipe from the right-hand head-
light carrier panel.
aRemove:
-the nut (3) from the right-hand headlight carrier
panel,
-the bolts (4) from the right-hand headlight carrier
panel,
-the right-hand headlight carrier panel. Tightening torquesm
tensioning roller40 N.m
WARNING
Do not r un the engine without the accessories belt
to avoid damaging the crankshaft accessories pul-
ley.
IMPORTANT
Wear cut-resistant gloves during the operation.132339
Page 138 of 652

11A-21
TOP AND FRONT OF ENGINE
Crankshaft accessories pulley: Removal - Refitting
D4F or D7F, and AIR CONDITIONING or STANDARD HEATING
11A
aLock the flywheel by inserting a large flat-blade
screwdriver into the gearbox aperture.
aRemove:
-the accessories pulley bolt (2) ,
-the accessories pulley.
REFITTING
I - REFITTING PREPARATION OPERATION
aClean the crankshaft accessories pulley V-grooves
with a brush to prevent any deposits.aparts always to be replaced: Accessories belt,
parts always to be replaced: Accessories belt
tensioning roller,
parts always to be replaced: Accessories ten-
sioning roller bolt (to be replaced by the hexagonal
head bolt, part no. 77 03 101 075),
parts always to be replaced: Crankshaft acces-
sories pulley bolts.
aparts always to be replaced: Accessories belt,
parts always to be replaced: Crankshaft acces-
sories pulley bolts.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the crankshaft accessories pulley using a new
bolt.
aTorque tighten the crankshaft accessories pulley
bolt (40 N.m + 75˚ ±± ± ±
6).
aRemove the large flat screwdriver from the opening
in the gearbox.
aRemove the immobilising tool (Mot. 582-01).
aRefit the flywheel protector.
III - FINAL OPERATION
aRefit:
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) , D4F, and 780 or 782
122665
WARNING
Only use brushes with plastic or non-corrosive
metal (brass) bristles.
AIR CONDITIONING
STANDARD HEATING
D4F, and 780 or 782
D4F, and 772 – D7F