Page 135 of 652

11A-18
TOP AND FRONT OF ENGINE
Accessories belt: Removal - Refitting
K4M
11A
II - REMOVAL OPERATION
aTurn the accessories belt tensioning roller clockwise
using a 16 mm spanner (5) .
aRemove the accessories belt.
aRemove:
-the tensioning roller bolt (6) ,
-the tensioning roller.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.
II - REFITTING OPERATION
aRefit a new tensioning roller.
aTorque tighten the tensioning roller (40 N.m).
aTurn the accessories belt tensioning roller clockwise
using a 16 mm spanner.
aRefit a new accessories belt.
aGently release the tensioning roller.
aRotate the crankshaft clockwise twice to balance the
accessories belt tension on all pulleys.
III - FINAL OPERATION
aRefit the right-hand headlight carrier panel.
aClip:
-the air conditioning pipe on the right-hand headlight
carrier panel,
-the screen washer bottle filler neck,
-the wiring.
aRefit:
-the front upper cross member (see Front upper
cross member: Removal - Refitting) (42A, Upper
front structure),
-the bonnet catch (see Bonnet lock: Removal -
Refitting) (52A, Non-side opening element mecha-
nisms),
-the headlights (see Halogen headlight: Removal
- Refitting) (80B, Headlights),
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
-the front right-hand wheel arch liner (see Front
wheel arch liner: Removal - Refitting) (55A, Ex-
terior protection),
-the front right-hand wheel (see Wheel: Removal -
Refitting) (35A, Wheels and tyres),
-the engine undertray.
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Page 145 of 652
11A-28
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
D7F, and 800
11A
aRemove the cap (3) from the upper timing cover.
aTurn the engine clockwise (timing end) until the
mark on the camshaft sprocket is aligned with the
mark on the upper timing cover.
aInsert the TDC setting pin (Mot. 1054) (4)
aRemove the ignition interference suppressor.
aDisconnect the fuel supply pipe.
aRemove the following covers:
-upper timing,
-middle timing,-lower timing.
II - REMOVAL OF PART CONCERNED
aMake a marking on the rocker cover (5) in line with
the camshaft sprocket mark
aUndo the tensioning roller nut (6) .
aRemove the timing belt.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aLine up the marks on the timing belt with those on
the camshaft sprocket and crankshaft sprocket.
aRefit:
-the new timing belt,
-the new tensioning roller.
aTighten the tensioning roller.
aRemove the TDC setting rod (Mot. 1054).
107259
99795
1041
Page 146 of 652

11A-29
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
D7F, and 800
11A
aPosition the spacer (7) of the timing belt pre-tension-
ing tool (Mot. 1386).
aPosition the timing belt tensioner (Mot. 1135-01) at
(8) on the tensioning roller.
aTurn the tensioning roller anti-clockwise until a belt
tension of 139 ±± ± ±
3 Hz is obtained with frequency
meter (Mot. 1715) (9) or (Mot. 1505).
aTighten the tensioning roller nut.aPosition the (Mot. 1386) (10) .
aApply a pretensioning torque to the timing belt sec-
tion (11) using a torque wrench set to 10 Nm.
aMake sure that the timing belt tension is 139 ±± ± ±
3 Hz
using the frequency meter (Mot. 1715) or (Mot.
1505) : otherwise, adjust it using the (Mot. 1135-01).
aTorque tighten the tensioning roller nut (50 N.m).
aTurn the crankshaft through four revolutions.
aSet the timing using the TDC setting pin (Mot. 1054).
aApply a pretensioning torque to the timing belt sec-
tion (11) using a torque wrench set to 10 Nm.
aMake sure that the timing belt tension is 139 ±± ± ±
3 Hz
using the frequency meter (Mot. 1715) or (Mot.
1505) : otherwise, adjust it using the (Mot. 1135-01).
II - FINAL OPERATION
aRefit the timing covers.
aTorque tighten clockwise the upper timing cover
bolts (33 N.m).
aRefit:
-the right-hand suspended engine mounting (see
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-13) ,
-the accessories pulley (see 11A, Top and front of
engine, Crankshaft accessories pulley: Remov-
al - Refitting, page 11A-20) ,
10881
1629410881
Page 150 of 652
11A-33
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
D4F
11A
II - OPERATION FOR REMOVAL OF PART
CONCERNED
1 - Adjusting the timing
aTurn the crankshaft clockwise (timing end). Stop a
half-tooth before the crankshaft sprocket mark is
lined up with the fixed marking.a
aInsert the TDC setting pin (Mot. 1054).
aTurn the crankshaft clockwise until it is stopped.
109737
109735
Note:
Cer tain vehicles are fitted with a flywheel protec-
tor positioned on the setting opening.
In this case, it is necessar y to remove the starter
and protector to be able to insert the TDC setting
pin.
Page 152 of 652
11A-35
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
D4F
11A
aRefit the new timing belt:
-by lining up the crankshaft sprocket mark with the
mark on the inside of the timing belt,
-by lining up the camshaft sprocket mark with the
mark on the outside of the timing belt.
Procedure for tensioning timing belt
aRemove:
-the TDC setting pin,
-the tension wheel pin.aTurn the tensioning roller eccentric anti-clockwise,
using a 6 mm Allen key, to bring the adjustable in-
dex level with the fixed index.
aTorque tighten the tensioning roller nut (24 N.m).
aRotate the crankshaft through six revolutions in a
clockwise direction (timing end).
aSet the timing using the TDC setting pin (Mot. 1054).
109762109763
Page 153 of 652
11A-36
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
D4F
11A
aMake sure that the mark on the camshaft sprocket
and the mark on the crankshaft sprocket are aligned
with their fixed markings.
aRemove the TDC setting rod (Mot. 1054).aLoosen the tensioning roller nut up to one turn,
maintaining the position of the tensioning roller ec-
centric using a 6 mm Allen key.
aTurn the tensioning roller eccentric clockwise, using
a 6 mm Allen key, to bring the adjustable index to
the centre of the two fixed indexes.
aTorque tighten the tensioning roller nut (24 N.m),
maintaining the position of the eccentric using a 6
mm Allen key.
109737
109738109764
Page 160 of 652
11A-43
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
K9K
11A
aFit the tool (Mot. 1489) (17) on the cylinder block.
aTurn the crankshaft clockwise (timing end) smoothly
until the crankshaft is pressed against the TDC set-
ting pin.aInsert the (Mot. 1430) (18) in the camshaft pulley
and cylinder head holes.
aLoosen the timing tensioning roller bolt (19) to relax
the timing belt.
aRemove:
-the timing belt,
-the timing tensioning roller bolt,
-the timing tensioning roller.
19650-1
14489109049
109046
Page 163 of 652
11A-46
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
K9K
11A
aFit the timing belt, starting with the crankshaft
sprocket, aligning the marks on the belt with those
on the crankshaft sprockets, the camshaft and the
high-pressure pump. There should be 19 tooth spac-
es between the sprocket marks and 51 tooth spaces
between the crankshaft sprockets and the high pres-
sure pump.
aBring the tensioning roller adjustable index (26) op-
posite the lug (27) using a 6 mm Allen key, turning
anti-clockwise.
aTighten the tensioning roller bolt.
109044
19658