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.
11A-4
TOP AND FRONT OF ENGINE
Accessories belt: Removal - Refitting
D4F, and 772, and STANDARD HEATING – D7F, and STANDARD HEATING
11A
Accessories belt tensioning process
aTension the accessories belt by swinging the alter-
nator towards the front using a lever.
aSet the accessories belt tension using the (Mot.
1715) or the (Mot. 1505) to a value of 244 Hz ±± ± ±
5.
aTorque tighten:
-the alternator lower bolt (50 N.m),
-the alternator upper bolt (25 N.m).
aTurn the engine three revolutions clockwise (timing
end) to position the accessories belt correctly.
aCheck the accessories belt tension using the (Mot.
1715) or the (Mot. 1505).
aIf the accessories belt tension is outside permitted
tolerance values, readjust the tension.
III - FINAL OPERATION
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
120525
11A-6
TOP AND FRONT OF ENGINE
Accessories belt: Removal - Refitting
K9K, and AIR CONDITIONING
11A
aRemove the accessories belt, passing it over its slot
between the RH side member and the crankshaft
accessories and air conditioning compressor pul-
leys.
aDiscard the accessories belt
2 - Removing the tensioning roller
a
aRaise the engine using the (Mot. 1672).
aDisconnect the connector on the alternator.
aRemove the nut from the alternator harness.
aMove the alternator harness to one side.
aRemove the alternator upper bolt.
aLoosen the alternator lower bolt.
aRemove:
-the alternator with its lower bolt fitted,
-the tensioning roller bolt,
-the tensioning roller.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
1 - Refit the tensioning roller
aRefit:
-the new tensioning roller,
-the new tensioning roller bolt.
aTorque tighten the tensioning roller bolt (40 Nm).
aRefit:
-the alternator with its lower bolt fitted,
-the alternator upper bolt.
aTorque tighten the alternator bolts (25 Nm).
aFit the alternator harness.aRefit the nut to the alternator wiring harness.
aAttach the connector to the alternator.
2 - Refit the accessories belt
aLower the engine using the (Mot. 1672).
aPartially refit the new accessories belt, passing it
over its slot between the RH side member and the
crankshaft accessories and air conditioning com-
pressor pulleys.
aRaise the engine using the (Mot. 1672).
aFit the belt on the crankshaft accessories, air condi-
tioning compressor and tensioning roller pulleys.
aSwing the accessories belt auto tensioner clockwise
using a ratchet, an extension and a 16 mm socket
aFit the belt on the alternator pulley, passing it over its
slot between the headlight carrier panel and the al-
ternator pulley.
aGently release the tensioning roller.
aCheck that the accessories belt is correctly mounted
on the crankshaft accessories, air conditioning com-
pressor and alternator pulleys.
aTurn the engine two revolutions.
aCheck that the accessories belt is correctly mounted
on the crankshaft accessories, air conditioning com-
pressor, alternator and tensioning roller pulleys.
aAdjust the engine using the (Mot. 1672) to restore
the engine's approximate original position.
II - FINAL OPERATION.
aRefit:
-the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-13) .
-the air conditioning pipe clip onto the right-hand
headlight carrier panel, Note:
Shift the engine forwards or backwards slightly
by hand if necessary to facilitate removing the
accessories belt.
Note:
The tensioning roller must be replaced every
time the accessories belt is replaced.
Note:
Shift the engine forwards or backwards slightly
by hand if necessary, to facilitate refitting the
accessor ies belt.
Note:
Shift the engine forwards slightly by hand to facil-
itate setting up the tools.
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.
11A-9
TOP AND FRONT OF ENGINE
Accessories belt: Removal - Refitting
D4F, and 772 or 780 or 782, and AIR CONDITIONING – D7F, and AIR CONDITIONING
11A
aparts always to be replaced: Accessories ten-
sioning roller bolt (to be replaced by the hexagonal
head bolt, part no. 77 03 101 075).
aRefit:
-the new accessories belt tensioning roller,
-the accessories belt tensioning roller hexagonal-
head bolt
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the accessories belt.
aTension the accessories belt by turning the tension-
ing roller anti-clockwise using an open-jawed span-
ner.
aAdjust the accessories belt tension using the (Mot.
1715) or (Mot. 1505).aFit the accessories belt tensioning roller bolt without
tightening it, maintaining the accessories belt ten-
sion at a setting value of 274 Hz ±± ± ±
4.
aTorque tighten the tensioning roller bolt (44 N.m)
using a torque wrench fitted with a open-ended
spanner, maintaining the accessories belt tension
at the adjustment value of 277 Hz ±± ± ±
5 using an open-
jawed spanner.
aTurn the engine three revolutions clockwise (timing
end) to position the accessories belt correctly.
aCheck the accessories belt tension using the (Mot.
1715) or (Mot. 1505).
aIf the accessory belt tension is outside permitted tol-
erance values, readjust it.
aRefit the accessories belt tension wheel protector.
III - FINAL OPERATION
aFit the lower section of the front right-hand wheel
arch liner.
aRefit:
-the front right-hand wheel arch liner bolts,
-the front right-hand wheel arch liner clips,
-the front right-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres).
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
112339
120524
11A-12
TOP AND FRONT OF ENGINE
Accessories belt: Removal - Refitting
K9K, and STANDARD HEATING
11A
aCheck that the accessories belt is correctly mounted
on the crankshaft accessories, air conditioning com-
pressor and alternator pulleys.
aTurn the engine two revolutions.
aCheck that the accessories belt is correctly fitted on
the crankshaft accessories, air conditioning com-
pressor substitute, alternator and tensioning roller
pulleys.
II - FINAL OPERATION.
aRefit the front upper cross member (see Front up-
per cross member: Removal - Refitting) (MR 412,
42A, Upper front structure).
aFit the « cable - bonnet catch » assembly.
aRefit the bonnet catch nuts.
aClip the following onto the front upper cross mem-
ber:
-the air filter inlet air pipe,
-the expansion bottle.
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 bracket bolt onto the
front upper cross member.
-the left-hand and right-hand headlights (see Halo-
gen headlight: Removal - Refitting) (MR 411,
80B, Headlights).
-the front bumper (see Front bumper: Removal -
Refitting) (MR 412, 55A, Exterior protection),
-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).
aAdjust the headlights (see Halogen headlight: Ad-
justment) (MR 411, 80B, Headlights).
11A-13
TOP AND FRONT OF ENGINE
Accessories belt: Removal - Refitting
D4F, and 780 or 782, and STANDARD HEATING
11A
a
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).aRemove:
-the filler neck bolt (1) ,
-the filler neck in the direction of the arrow (2) ,
-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).
aUndo the lower bolt on the sub-frame tie-rod.
aRemove the upper bolt from the sub-frame tie-rod.
aRemove the sub-frame tie-rod. Special tooling required
Mot. 1715Belt tension checking tool
(frequency indicator).
Mot. 1505Belt tension setting tool (fre-
quency meter)
Equipment required
repositioner
Tightening torquesm
tensioning roller bolt44 N.m
sub-frame tie-rod lower
bolt62 N.m
sub-frame tie-rod upper
bolt21 N.m
IMPORTANT
Wear cut-resistant gloves during the operation.
122392
11A-15
TOP AND FRONT OF ENGINE
Accessories belt: Removal - Refitting
D4F, and 780 or 782, and STANDARD HEATING
11A
aTension the accessories belt by turning the tension-
ing roller anti-clockwise with a 20 mm open-jawed
spanner.
aAdjust the accessories belt tension using the (Mot.
1715) or (Mot. 1505) (see ) (Technical Note 3786A,
10A, Engine and peripherals).
aWithout locking, tighten the bolt (5) on the tensioning
roller with a 16 mm open-jawed spanner, while
keeping the tensioning roller tension at the adjust-
ment value using a 20 mm open-jawed spanner.aThe accessories belt tension value is 210 Hz ±± ± ±
10.
aTorque tighten the tensioning roller bolt (44 N.m)
using a 16 mm socket and a repositioner, while
keeping the tensioning roller tension at the adjust-
ment value with a 20 mm open-jawed spanner.
aTurn the engine three revolutions clockwise (timing
end) to position the accessories belt correctly.
aCheck the accessories belt tension using the (Mot.
1715) or (Mot. 1505).
aIf the accessory belt tension is outside permitted tol-
erance values, readjust it.
aRefit the accessories belt tension wheel protector.
III - FINAL OPERATION
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 N.m),
-the sub-frame tie-rod upper bolt (21 N.m).
aRefit:
-the front right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection),
11038213511
(1) Crankshaft
(2) Alternator
(3) Tensioning roller
(4) Measur ing point