Page 97 of 652
10A-91
ENGINE AND CYLINDER BLOCK ASSEMBLY
Engine - gearbox assembly: Removal - Refitting
K9K
10A
aRemove the fuses (20) .
aUnclip:
-the fuse holders,
-the engine compartment connection unit relay
plates (21) .
aRemove the earth nut (22) on the front left-hand
wing.
aMove the earth wiring away from the front left-hand
wing.aRemove the clip (23) on the coolant pump inlet pipe
hose using the tool (Mot. 1448).
aDisconnect the hose from the coolant pump inlet
pipe.
121435121431
Page 98 of 652

10A-92
ENGINE AND CYLINDER BLOCK ASSEMBLY
Engine - gearbox assembly: Removal - Refitting
K9K
10A
aRemove:
-the connecting pipe union bolts (24) on the com-
pressor,
-the bolt (25) from the connecting pipe mounting on
the compressor,
-the connecting pipes on the compressor.
aDisconnect the pressostat connector (26) .
aMove aside the compressor connecting pipes.II - OPERATION FOR REMOVAL OF PART
CONCERNED
aSupport the « engine-gearbox assembly » on the.
aRemove:
-the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-13) (19D, Engine mounting),
-the left-hand suspended engine mounting (see
19D, Engine mounting, Left-hand suspended
engine mounting: Removal - Refitting, page
19D-4) (19D, Engine mounting).
aRemove the « engine and gearbox » assembly.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the « engine and gearbox » assembly,
-the left-hand suspended engine mounting (see
19D, Engine mounting, Left-hand suspended
engine mounting: Removal - Refitting, page
19D-4) (19D, Engine mounting),
-the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-13) (19D, Engine mounting).
121431
WARNING
To prevent moisture from entering the system,
place plugs on the cold loop components which
are open to the air.
17765
Note:
Strap the « engine - gearbox » assembly using
the.
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.
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10A-94
ENGINE AND CYLINDER BLOCK ASSEMBLY
Engine - gearbox assembly: Removal - Refitting
K9K
10A
aDetach the « engine cooling radiator - air condition-
ing condenser - intercooler » assembly from the
front upper cross member.
aClip on the clip of the intercooler air inlet pipe.
aConnect:
-the intercooler air outlet pipe,
-the intercooler air inlet pipe.
aTighten the clip on the intercooler outlet pipe.
aDetach the « engine cooling radiator - condenser »
assembly from the front upper cross member.
aRefit:
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion),
-the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),
-the diesel injection computer (see 13B, Diesel in-
jection, Diesel injection computer: Removal -
Refitting, page 13B-13) ,
-the battery tray (see Battery tray: Removal - Re-
fitting) (80A, Battery),
-the non-return valve pipe on the vacuum pump.aClip:
-the turbocharger regulation solenoid valve wiring,
-the turbocharger regulation solenoid valve pipes.
aConnect:
-the turbocharger regulation solenoid valve connec-
tor,
-the turbocharger regulation solenoid valve pipes.
aRefit the air filter unit (see 12A, Fuel mixture, Air fil-
ter unit: Removal - Refitting, page 12A-13) .
aRefit:
-the air pipe at the air filter unit inlet,
-the battery (see ) (80A, Battery).
aRefill:
-the gearbox (see Sequential gearbox oil: Drain-
ing - Filling) (21A, Manual gearbox),
-the engine cooling system (see 19A, Cooling,
Cooling system: Draining - Refilling, page 19A-
9) ,
-the engine if necessary (see 10A, Engine and cyl-
inder block assembly, Engine oil: Draining - Re-
filling, page 10A-22) ,
-the refrigerant circuit using a refrigerant charging
station (see Refrigerant circuit: Draining - Fill-
ing) (62A, Air conditioning) (if fitted),
-the brake fluid reservoir.
aBleed the clutch circuit (see Clutch circuit: Bleed)
(37A, Mechanical component controls). K9K, and 718
K9K, and 740
K9K, and 718
Page 101 of 652
10A-95
ENGINE AND CYLINDER BLOCK ASSEMBLY
Engine - gearbox assembly: Removal - Refitting
K9K
10A
Page 102 of 652

10A-96
ENGINE AND CYLINDER BLOCK ASSEMBLY
Engine - gearbox assembly: Removal - Refitting
K4M
10A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove the air filter unit (see 12A, Fuel mixture,
Air filter unit: Removal - Refitting, page 12A-13) .
aRemove the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
aRemove:
-the petrol injection computer (see 17B, Petrol in-
jection, Petrol injection computer: Removal -
Refitting, page 17B-20) ,
-the battery tray (see Battery tray: Removal - Re-
fitting) (80A, Battery),
-the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),
-the engine undertray,
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion),
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection).
aDrain:
-the gearbox (see Manual gearbox oils: Draining -
Filling) (21A, Manual gearbox),-the cooling system (see 19A, Cooling, Cooling
system: Draining - Refilling, page 19A-9) ,
-the engine, if necessary (see 10A, Engine and
cylinder block assembly, Engine oil: Draining -
Refilling, page 10A-22) ,
-the refrigerant circuit using a refrigerant charging
station (see Refrigerant circuit: Draining - Fill-
ing) (62A, Air conditioning).
aAttach the « engine cooling radiator - condenser »
assembly to the front upper cross member.
aRemove:
-the engine tie-bar (see 19D, Engine mounting,
Lower engine tie-bar: Removal - Refitting, page
19D-18) ,
-the front axle subframe (see Front axle subframe:
Removal - Refitting) (31A, Front axle compo-
nents),
-the radiator mounting cross member (see Radiator
mounting cross member: Removal - Refitting)
(41A, Front lower structure),
-the front left-hand wheel driveshaft (see Front left-
hand driveshaft: Removal - Refitting) (29A,
Driveshafts),
-the front right-hand wheel driveshaft (see Front
right-hand driveshaft: Removal - Refitting)
(29A, Driveshafts),
-the differential output seal (see Differential output
seal: Removal - Refitting) (21A, Manual gear-
box).
aRemove the catalytic converter (see 19B, Exhaust,
Catalytic converter: Removal - Refitting, page
19B-12) . Special tooling required
Mot. 1448Remote operation pliers for
hose clips .
Equipment required
refrigerant charging station
Tightening torquesm
rubber pad mounting
bolts for the suspended
engine mounting on the
gearbox21 N.m
bolts of the suspended
mounting r ubber pad62 N.m
suspended engine
mounting shaft nut62 N.m
Page 103 of 652
10A-97
ENGINE AND CYLINDER BLOCK ASSEMBLY
Engine - gearbox assembly: Removal - Refitting
K4M
10A
aRemove using the (Mot. 1448) :
-the clip (6) from the top hose on the water cham-
ber,
-the clip (7) from each heater matrix hose.
aDisconnect:
-the top hose on the water chamber,
-the heater matrix hoses.aUnclip:
-the gearbox controls (8) on the gear selectors,
-the gearbox controls on the cable sleeve stops at
(9) ,
-the hydraulic clutch control pipe on the gearbox at
(10) .
aDisconnect the hydraulic clutch control pipe from the
gearbox by pressing on the clip (11) .
aFit blanking plugs on the hydraulic clutch control
pipe openings and on the opening of the clutch
thrust bearing.
131763
132346131761
121410
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.