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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
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REFITTING
I - REFITTING PREPARATION OPERATION
aparts always to be replaced: Timing belt
aparts always to be replaced: Timing belt tension-
ing rollerII - REFITTING OPERATION FOR PART
CONCERNED
aRefit a new timing tensioning roller.
aCheck that:
-the lug (20) of the tensioning roller is in place in the
groove (21) of the cylinder head,
-the high pressure pump mark (22) is one tooth to
the right from the vertical axis (23) ,
-the crankshaft is resting on the tool (Mot. 1489)
(the cotter (24) of the crankshaft timing sprocket
upwards).
109042
109043
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aRemove a bolt from the camshaft pulley wheel (25) .
aLoosen the two other camshaft pulley wheel bolts by
one turn.
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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
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aCheck that the camshaft pulley hub bolts are not ful-
ly up against the camshaft pulley wheel.
aRefit the camshaft pulley wheel bolt.
aTighten the camshaft pulley wheel bolts.aRemove:
-the TDC setting pin (Mot. 1489),
109047
109045
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-the camshaft pulley timing pin (Mot. 1430).
aRotate the crankshaft twice clockwise (timing end)
before the camshaft pulley hole (28) is opposite the
cylinder head hole (29) .
aScrew tool (Mot. 1489) into the cylinder block.
aBring the crankshaft slowly and smoothly into con-
tact with the tool (Mot. 1489).
aSet the camshaft pulley using the (Mot. 1430).aIf the (Mot. 1430) does not fit in, loosen the camshaft
pulley wheel bolts by up to one turn.
aTurn the camshaft pulley hub using an offset span-
ner to set the camshaft pulley hub.
aDo not tighten the camshaft pulley wheel bolts.
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aCheck that the crankshaft timing sprocket collet (30)
is positioned vertically at the top.
109045
Note:
After two turns, the tension wheel index markers
may be in two different positions.
The rotation of the tension wheel eccentric
depends on the position.
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1 - First position
aLoosen the tensioning roller bolt by up to one turn,
holding it with a 6 mm Allen key.
aGradually align the adjustable index (31) in the mid-
dle of the timing window (32) , turning the key anti-
clockwise.2 - Second position
aLoosen the tensioning roller bolt by up to one turn,
holding it with a 6 mm Allen key.
aGradually align the adjustable index (33) in the mid-
dle of the timing window (34) , turning the key clock-
wise.
aTorque tighten the tensioning roller bolt (27 N.m).
aTorque tighten the camshaft pulley wheel bolts
(14 N.m).
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