Page 442 of 652

16A-3
STARTING - CHARGING
Alternator: Removal - Refitting
D4F or D7F, and STANDARD HEATING
16A
aPress in the rings (6) using pliers or a vice to make
the fitting operation easier.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the alternator,
-the alternator bolts.
aTorque tighten the alternator bolts (25 Nm).
aRefit:
-the power lead on the alternator,
-the power lead nut on the alternator.
aConnect the alternator excitation lead connector.
III - FINAL OPERATION
aConnect the fuel pipe to the injector rail.
aRefit:
-the dipstick,
-the filler neck,
-the filler neck bolt.
aAlways replace the accessories belt.aRefit the new accessories belt (see 11A, Top and
front of engine, Accessories belt: Removal - Re-
fitting, page 11A-3) .
aFit the sub-frame tie-rod.
aRefit the upper bolt on the sub-frame tie-rod.
aTorque tighten:
-the sub-frame tie-rod lower bolt (62 Nm),
-the sub-frame tie-rod upper bolt (21 Nm).
aRefit:
-the front right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (MR 412,
55A, Exterior protection),
-the front right-hand wheel (see Wheel: Removal -
Refitting) (MR 411, 35A, Wheels and tyres).
aConnect the battery (see ) (MR 411, 80A, Battery).
18987
D4F, and 780
Page 445 of 652
16A-6
STARTING - CHARGING
Alternator: Removal - Refitting
K9K
16A
aFor removing and refitting the alternator (see 11A,
Top and front of engine, Accessories belt: Re-
moval - Refitting, page 11A-3) .
aFor removing and refitting the alternator (see 11A,
Top and front of engine, Accessories belt: Re-
moval - Refitting, page 11A-3) . AIR CONDITIONING or CLIMATE CONTROL
STANDARD HEATING
Page 511 of 652
19A-1
COOLING
Engine cooling system: Specifications
D4F or D7F or K4M or K9K
19A
Vehicles in the current range have cooling systems
with the following basic specifications:
-hermetically-sealed pressurised circuit (with expan-
sion bottle valve),
-circuit using only type « D » fluid,
-passenger compartment heating system equipped
with a « heater matrix » type radiator located under
the dashboard which helps to cool the engine.
Coolant quantities
Special notes:
-protection down to - 25˚C ±± ± ±
2 for cold and temperate
countries,
-protection down to - 40˚C ±± ± ±
2 for "extreme cold" coun-
tries.
Thermostat opening temperaturesEngine Quantity
(litres)Grade
D7F 800 5.5
Only use coolant
GLACEOL RX
(type D) D4F 772 5.5
K9K 740 5.7
D4F 780 5.7
D4F 782 5.7
K4M 854 5.7
Engine Star t o f
opening (˚C)Fully open (˚C)
D7F89 99
D4F89 99 ±± ± ±
2
K9K83 ±± ± ±
395
K4M89 101
Page 521 of 652
19A-11
COOLING
Cooling system: Draining - Refilling
D4F or D7F or K4M or K9K
19A
aMaintain the engine speed at 1500 rpm, sharply
varying the engine speed (up to the maximum) 2 to
3 times approximately every 2 minutes until the fan
assembly starts for the second time.
aMaintain the engine speed at 3000 rpm using a ped-
al press, until the fan assembly has been activated
for a third time.
aCheck that the heating is operating correctly.
aAllow the engine to cool until the engine coolant tem-
perature is less than 50˚C.
aRemove the expansion bottle cap.
aAdjust the coolant fluid level to the "Max" mark.
aRefit the expansion bottle cap.
V - FINAL OPERATION
aRemove the coolant recovery tray.
aRefit the engine undertray. K9K
K4M
K4M
Page 528 of 652

19A-18
COOLING
Cooling radiator: Removal - Refitting
D4F or D7F, and STANDARD HEATING
19A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 411, 02A, Lifting equip-
ment).
aDisconnect the battery (see ) (MR 411, 80A, Bat-
tery).
aRemove:
-the front wheels (see Wheel: Removal - Refitting)
(MR 411, 35A, Wheels and tyres),
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (MR 412, 55A, Exterior
protection),
-the front bumper (see Front bumper: Removal -
Refitting) (MR 412, 55A, Exterior protection).
aDisconnect the air filter unit air inlet pipe (1) from the
air filter unit cover.
aRemove:
-the air filter unit air inlet pipe bolt from the cross
member (2) ,-the air filter unit air inlet pipe.
aDrain the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-9) .
aRemove using the (Mot. 1448) :
-the radiator top hose clip,
-the radiator degassing hose clip.
aDisconnect:
-the radiator top hose,
-the radiator degassing hose.
aUnclip:
-the lower hose from the engine cooling fan assem-
bly,
-the wiring harness from the engine cooling fan as-
sembly.
aDisconnect the engine cooling fan assembly con-
nectors.
II - REMOVAL OPERATION FOR PART
CONCERNED
aRemove:
-the radiator mounting cross member (see Radiator
mounting cross member: Removal - Refitting)
(MR 412, 41A, Front lower structure),
-the « radiator / engine cooling fan assembly » unit.
Stripping the cooling radiator
aRemove the radiator plastic deflectors.
aUnclip the engine cooling fan assembly.
REFITTING
I - REFITTING PREPARATIONS OPERATION
Rebuilding the cooling radiator
aClip the engine cooling fan assembly in place.
aRefit the radiator plastic deflectors.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the « radiator / engine cooling fan assembly » unit, Special tooling required
Mot. 1448Remote operation pliers for
hose clips .
D4F, and 780
122833
Page 529 of 652

19A-19
COOLING
Cooling radiator: Removal - Refitting
D4F or D7F, and STANDARD HEATING
19A
-the radiator mounting cross member (see Radiator
mounting cross member: Removal - Refitting)
(MR 412, 41A, Front lower structure).
III - FINAL OPERATION
aConnect the engine cooling fan assembly connec-
tors.
aClip:
-the wiring harness to the engine cooling fan as-
sembly,
-the bottom hose to the engine cooling fan assem-
bly.
aConnect:
-the radiator degassing hose,
-the radiator top hose.
aUsing the (Mot. 1448), fit:
-the radiator degassing hose clip,
-the radiator top hose clip.
aRefit:
-the air filter box air inlet pipe,
-the air filter unit air inlet pipe bolt on the cross
member.
aConnect the air filter unit air inlet pipe to the air filter
unit cover.
aRefit:
-the front bumper (see Front bumper: Removal -
Refitting) (MR 412, 55A, Exterior protection),
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (MR 412, 55A, Exterior
protection),
-the front wheels (see Wheel: Removal - Refitting)
(MR 411, 35A, Wheels and tyres).
aConnect the battery (see ) (MR 411, 80A, Battery).
aFill and bleed the cooling system (see 19A, Cool-
ing, Cooling system: Draining - Refilling, page
19A-9) . D4F, and 780
Page 534 of 652

19A-24
COOLING
Coolant pump: Removal - Refitting
D4F or D7F
19A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 411, 02A, Lifting equip-
ment).
aDisconnect the battery (see ) (MR 411, 80A, Bat-
tery).
aRemove:
-the front right-hand wheel (see Wheel: Removal -
Refitting) (MR 411, 35A, Wheels and tyres),
-the front wheel arch liner (see Front wheel arch
liner: Removal - Refitting) (MR 412, 55A, Exterior
protection),
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) ,
-the engine tie-bar (see 19D, Engine mounting,
Lower engine tie-bar: Removal - Refitting, page
19D-18) ,
-the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-13) ,
-the timing belt (see 11A, Top and front of engine,
Timing belt: Removal - Refitting, page 11A-27) .
aDrain the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-9) .
aRemove the rigid coolant pipe bolt on the multifunc-
tion support.
aMove the rigid water pump pipe aside.aRemove the coolant pump inlet pipe (see 19A,
Cooling, Coolant pump inlet pipe: Removal - Re-
fitting, page 19A-58) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove:
-the coolant pump bolts,
-the coolant pump,
-the coolant pump seal.
aRemove the coolant pump bolts.
aMove the coolant pump 5 mm away from its bearing
face.
aPivot the coolant pump casing in the direction of the
arrows, (1) and then (2) .
aRemove:
-the coolant pump, Tightening torquesm
coolant pump bolts10 N.m
AIR CONDITIONING
D4F, and 780 or 782
STANDARD HEATING
AIR CONDITIONING
120515
Page 562 of 652

19A-52
COOLING
Engine cooling fan assembly: Removal - Refitting
C44, and K9K
19A
aPress on the engine cooling fan assembly locking
tabs (2) on the cooling radiator.
aWithdraw the engine cooling fan assembly from the
cooling radiator from above, while pressing on the
locking tabs.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aFit the engine cooling fan assembly to the cooling ra-
diator.
aClip the engine cooling fan assembly to the cooling
radiator.
aConnect the electrical connectors to the engine cool-
ing fan assembly.aClip:
-the engine cooling fan assembly wiring in place,
-the coolant hose at the bottom of the engine cool-
ing fan assembly.
II - FINAL OPERATION
aRefitting the front upper cross member (see MR 412
Bodywork, 42A, Upper front structure, Cross
member: Removal - Refitting).
aFit the « cable - bonnet catch » assembly.
aRefit the bonnet catch nuts.
aClip and move away from the front upper cross
member:
-the expansion bottle,
-the air filter inlet air pipe.
aRefit:
-the air filter inlet air pipe bolt onto the front upper
cross member,
-the expansion bottle bolt onto the front upper cross
member,
-the cooling radiator retaining lug bolt.
aTighten on the front upper cross member:
-the air filter inlet air pipe bolt onto the front upper
cross member,
-the expansion bottle bolt onto the front upper cross
member,
-the cooling radiator retaining lug bolt.
aRefit:
-the left-hand and right-hand headlights (see 80B,
Headlights, Halogen headlights: Removal - Re-
fitting),
-the front bumper ( (see Front bumper: Removal -
Refitting) ),
-the engine undertray,
-the engine undertray bolts.
aTighten the engine undertray bolts until contact is
made.
aConnect the battery ( (see Battery: Removal - Re-
fitting) ). STANDARD HEATING
120325
Note:
Be careful not to press too hard on the tabs to
avoid breaking them.
Note:
Check that the tabs lock the engine cooling fan
assembly on the cooling radiator correctly.