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11A-55
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
K4M
11A
aRemove the lifting eye (8) .
aPierce the centre of the plugs (9) at the camshaft
ends with a screwdriver.
aRemove:
-the plugs from the camshaft ends with a screwdriv-
er,
-the TDC setting pin plug (10) .aPosition the camshaft grooves (11) almost horizon-
tally and offset towards the bottom turning the crank-
shaft in the operating direction (clockwise at timing
end).
aScrew in the TDC setting pin (Mot. 1489) (12) .
aTurn the crankshaft in its operating direction (clock-
wise at timing end), until the crankshaft presses
against the TDC setting pin (Mot. 1489).
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11A-62
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
K4M
11A
aPosition the (Mot. 1490-01) (30) on the camshaft
pulleys.
aTorque tighten:
-and angle tighten the exhaust camshaft pulley
nut (30 N.m + 84˚),
-the camshaft dephaser pulley bolt (100 N.m).
aRefit the dephaser pulley bolt cover.
aRemove:
-the timing flap from the lower timing cover,
-the (Mot. 1496),-the TDC setting pin (Mot. 1489),
-the (Mot. 1490-01).
4 - Checking the tension
aRotate the crankshaft twice in a clockwise direction,
on the timing end, before aligning the marks (on the
camshaft dephaser) already made by the operator.
aScrew in the TDC setting pin (Mot. 1489).
aMove the crankshaft slowly and smoothly to rest on
the TDC setting pin.
aRemove the TDC setting pin (Mot. 1489).
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11A-63
TOP AND FRONT OF ENGINE
Timing belt: Removal - Refitting
K4M
11A
aCheck through the lower timing cover window that
the adjustable index (31) is opposite the notch (32) ,
if this is not the case:
-loosen the timing tensioning roller nut by up to one
turn while holding the eccentric with a 6 mm Allen
key,
-gradually move the adjustable index marker (31)
opposite the mark (32) turning the eccentric cam
(33) clockwise.
aTorque tighten the timing tension wheel nut (27
N.m).5 - Checking the timing
aEnsure that the index and the notch on the timing
tensioning roller are in the correct position before
checking the timing.
aScrew in the TDC setting pin (Mot. 1489).
aBring the crankshaft slowly and smoothly to rest
against the TDC setting pin (Mot. 1489).
aPosition (without forcing) the camshaft setting tool
(Mot. 1496) fitted with the (Mot. 1750) (the camshaft
end grooves must be horizontal and offset towards
the bottom).
aRemove:
-the timing tool (Mot. 1496) fitted with the (Mot.
1750),
-the TDC setting pin (Mot. 1489).
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14490
Note:
The timing adjustment and tensioning operation
must be repeated if the camshaft setting tool
does not engage .