10A-12
ENGINE AND CYLINDER BLOCK ASSEMBLY
Lower cover: Removal - Refitting
K9K
10A
-the subframe rear bolts (105 Nm),
-the subframe rear tie rod inner bolts (21 N.m),
-the subframe rear tie rod outer bolts (90 N.m).
aRefit the radiator mounting cross member (see Ra-
diator mounting cross member: Removal - Refit-
ting) (41A, Front lower structure).
aDetach the radiator and the intercooler from the up-
per cross member using a safety strap(s).
aDetach the radiator from the upper cross member
using a safety strap(s).
aRefit:
-the rear engine tie-bar (see 19D, Engine mount-
ing, Lower engine tie-bar: Removal - Refitting,
page 19D-18) ,
-the lower ball joints,
-the track rod ends.
aTighten to torque:
-the lower ball joint bolts (62 N.m),
-the track rod end nuts (37 N.m).
aRefit the subframe tie rod upper bolts.
aTighten to torque:
-the subframe tie-rod upper bolts (21 N.m),
-the subframe tie-rod lower bolts (62 N.m).
aRefit the front right-hand driveshaft relay bearing
aTighten to torque:
-the bolts of the front right-hand driveshaft relay
bearing (44 N.m),
-the bolt of the front right-hand driveshaft relay
bearing bracket (21 N.m).aFit the relay bearing on its bearing on the front right-
hand driveshaft.
aTorque tighten the relay bearing bolts on the front
right-hand driveshaft (44 N.m).
aRefit the closure panel of the front right-hand drive-
shaft relay bearing
aTorque tighten the right-hand driveshaft relay
bearing closure panel bolts (21 Nm).
aRefit the catalytic converter upstream stay, by slid-
ing it in relation to the bolt remaining on the sump.
aTighten the following until contact is made and to tor-
que:
-the catalytic converter upstream stay bolt on
the cylinder block (44 N.m),
-the catalytic converter downstream stay bolt on
the sump (44 Nm),
-the catalytic converter downstream stay bolts
on the catalytic converter (26 Nm).
aFit the steering box universal joint equipped with a
new bolt.
aTorque tighten the universal joint bolt (24 N.m).
aRemove the flywheel immobiliser.
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).
aFill up the engine oil (see 10A, Engine and cylinder
block assembly, Engine oil: Draining - Refilling,
page 10A-22) . K9K, and 718
K9K, and 740
K9K, and 718
K9K, and 740
Note:
Ensure that the right-hand dr iveshaft relay bear-
ing closure panel is refi tted the right way round.
10A-13
ENGINE AND CYLINDER BLOCK ASSEMBLY
Lower cover: Removal - Refitting
D4F or D7F
10A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aDrain the engine oil (see 10A, Engine and cylinder
block assembly, Engine oil: Draining - Refilling,
page 10A-22) .
aRemove the engine undertray.
aRemove the engine flywheel guard
aRemove:
-the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres), Special tooling required
Tav. 476Ball joint extractor.
Tav. 1233-01Tooling for carrying out opera-
tions on the axle subframe.
Mot. 1716Removes housing with sili-
cone seals.
Equipment required
flywheel immobiliser
Tightening torquesm
sump bolts10 N.m
front subframe bolts62 N.m
rear subframe bolts105 N.m
front end cross member
bolts21 N.m
subframe rear tie rod
inner bolts21 N.m
subframe rear tie rod
outer bolts90 N.m
lower ball joint bolts62 N.m
track rod end nuts37 N.m
subframe tie rod upper
bolts21 N.m
subframe tie rod lower
bolts62 N.m
universal joint24 N.m
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.
Note:
The sump is sealed in the factory using silicone
adhesive sealant.
When removing the sump in a workshop, it is
essential to use the After-Sales seal available from
the Parts Department.
D4F, and 772 – D7F
120407
D4F, and 780 or 782
10A-14
ENGINE AND CYLINDER BLOCK ASSEMBLY
Lower cover: Removal - Refitting
D4F or D7F
10A
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion).
aSet the wheels straight ahead.
aPosition the flywheel immobiliser.
aRemove the cover from the universal joint (do not
keep).
aRemove the universal joint bolt (do not keep).
aRemove the universal joint from the steering box.
aLoosen the tie rod lower bolts.
aRemove the tie rod upper bolts.aRemove:
-the nuts (1) from the track rod ends,
-the track rod ends using the (Tav. 476),
-the bolts (2) from the lower ball joints,
-the lower arm ball joints.
aRemove the lower engine tie-bar (3) (see 19D, En-
gine mounting, Lower engine tie-bar: Removal -
Refitting, page 19D-18) .
aRemove:
-the subframe rear tie rod inner bolts (4) ,
-the subframe rear tie rod outer bolts (5) .
119544
119222
119335
10A-16
ENGINE AND CYLINDER BLOCK ASSEMBLY
Lower cover: Removal - Refitting
D4F or D7F
10A
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the sump fitted with a new seal,
-the sump bolts.
aTighten to torque and in order the sump bolts (10
N.m).
III - FINAL OPERATION
aRefit the engine flywheel guard.aRefit the subframe, gradually tightening the nuts of
the (Tav. 1233-01).
aRemove the threaded rods of the (Tav. 1233-01)
one by one, replacing them with the subframe
mounting bolts.
aTorque tighten:
-the front subframe bolts (62 N.m),
-the rear subframe bolts (105 N.m),
-the front end cross member bolts (21 N.m)
-the subframe rear tie rod inner bolts (21 N.m),
-the subframe rear tie rod outer bolts (90 N.m).
aRefit:
-the lower engine tie-bar (see 19D, Engine mount-
ing, Lower engine tie-bar: Removal - Refitting,
page 19D-18) ,
-the lower arm ball joints,
-the lower ball joint bolts,
-track rod ends,
-the track rod end nuts,
aTorque tighten:
-the lower ball joint bolts (62 N.m),
-the track rod end nuts (37 N.m).
aRefit the subframe tie rod upper bolts.
aTorque tighten the subframe tie rod upper bolts
(21 N.m).
aTorque tighten the subframe tie rod lower bolts
(62 N.m).
aFit the steering box universal joint.
aRefit the universal joint bolt.
aTorque tighten the universal joint (24 N.m).
aRemove the flywheel immobiliser.
aRefit:
-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).
18643
D4F, and 772 – D7F
D4F, and 780 or 782
10A-18
ENGINE AND CYLINDER BLOCK ASSEMBLY
Lower cover: 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 dipstick,
-the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),
-the engine undertray.
aDrain the engine oil (see 10A, Engine and cylinder
block assembly, Engine oil: Draining - Refilling,
page 10A-22) .
aRemove:
-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),-the rear engine tie-bar (see 19D, Engine mount-
ing, Lower engine tie-bar: Removal - Refitting,
page 19D-18) ,
-the front axle subframe (see Front axle subframe:
Removal - Refitting) (31A, Front axle compo-
nents).
aRemove:
-the front right-hand driveshaft flange bolt (1) on the
relay bearing,
-the bolts (2) from the front right-hand driveshaft re-
lay bearing,
-the front right-hand driveshaft relay bearing. Tightening torquesm
sump bolts (initial
torque)14 N.m
sump bolts14 N.m
sump bolts on the gear-
box44 N.m
bolt mounting the multi-
function support on the
sump25 N.m
catalytic pre-converter
upstream bracket bolt44 N.m
driveshaft relay bearing
bolts44 N.m.
right-hand driveshaft
bracket bolt on the relay
bearing21 N.m
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.
128800
10A-21
ENGINE AND CYLINDER BLOCK ASSEMBLY
Lower cover: Removal - Refitting
K4M
10A
aPretighten in order (1) , (2) , (19) , (20) , (17) , (18)
the sump bolts (initial torque) (14 N.m).
aTighten to torque and in order the sump bolts (14
N.m).
aTorque tighten:
-the sump bolts on the gearbox (44 N.m),
-the bolt mounting the multifunction support on
the sump (25 N.m).
III - FINAL OPERATION
aTorque tighten the catalytic pre-converter up-
stream bracket bolt (44 N.m).
aRefit the driveshaft relay bearing.
aTorque tighten:
-the driveshaft relay bearing bolts (44 N.m.),
-the right-hand driveshaft bracket bolt on the re-
lay bearing (21 N.m).
aRefit:
-the front axle subframe (see Front axle subframe:
Removal - Refitting) (31A, Front axle compo-
nents),
-the rear engine tie-bar (see 19D, Engine mount-
ing, Lower engine tie-bar: Removal - Refitting,
page 19D-18) ,
-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 dipstick,
-the engine undertray.
aTop up the engine oil (see 10A, Engine and cylin-
der block assembly, Engine oil: Draining - Refill-
ing, page 10A-22) .
20171
10A-33
ENGINE AND CYLINDER BLOCK ASSEMBLY
Oil-coolant heat exchanger: Removal - Refitting
K9K
10A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 411, 02A, Lifting equip-
ment).
aRemove:
-the engine cover,
-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).
aDrain the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-9) .
aRemove the expansion bottle bolt.
aRemove the expansion bottle.
aUnclip the cooling hose on the lower section of the
engine cooling fan.II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect:
-the cooling hose (1) using the (Mot. 1448),
-the oil pressure sensor connector (2) .
aRemove:
-the bolt (3) from the oil filter support,
-the oil filter holder.
aRemove:
-the oil cooler nipple,
-the oil-water heat exchanger. Special tooling required
Mot. 1448Remote operation pliers for
hose clips .
121432
Note:
Be prepared for engine oil and coolant to flow
out.
10A-34
ENGINE AND CYLINDER BLOCK ASSEMBLY
Oil-coolant heat exchanger: Removal - Refitting
K9K
10A
REFITTING
I - REFITTING PREPARATION OPERATION
aUsing the buffing pads, clean the pressure faces of
the oil-water heat exchanger and the cylinder block.
aFit new seals on the oil-water heat exchanger with
soapy water.
aCheck the condition of the oil-water heat exchanger
nipple seals.
II - REFITTING OPERATION FOR PART
CONCERNED
aCoat the nipple with high resistance thread lock.
aRefit:
-the coolant-oil heat exchanger,
-the oil-coolant heat exchanger nipple.
aFit a new seal on the oil filter holder.
aRefit:
-the oil filter holder,
-the oil filter mounting bolt.
aTighten the oil filter mounting bolt.
aConnect:
-the oil pressure sensor connector,
-the cooling hose using the (Mot. 1448).
III - FINAL OPERATION
aClip the cooling hose on to the lower section of the
engine cooling fan.
aPosition the expansion bottle.
aRefit the expansion bottle bolt.aFill the cooling system (see 19A, Cooling, Cooling
system: Draining - Refilling, page 19A-9) .
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),
-the engine cover. WARNING
The joint faces must be clean, dr y and free from
grease (avoid finger marks).
WARNING
The gaskets must always be replaced with new
gaskets.
Note:
The oil-water heat exchanger nipple seals cannot
be separated; the entire assembly must be
replaced.