Page 15 of 52
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Accessories belt
11
111TOP AND FRONT OF ENGINE
Accessories belt
REMOVAL
Put the vehicle on a two post lift.
Disconnect the battery.
Remove:
–the front right wheel,
–the front right wheel arch,
–the lower engine cover.
Using a ring spanner, turn the tensioner axle clockwise to release the belt and
insert a tool (e.g.: Allen key) to lock the tensioner in this position.
REFITTING
Replace the accessories belt.
NOTE: never refit a belt once it has been removed, but replace it.
Refitting is the reverse of removal.TIGHTENING TORQUES (in daN.m)
Wheel bolts 10
15850-8S
11 - 1
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Timing belt
11
11 - 5
–the pulley; remove the nut and take the pulley out
without removing the stud.
REFITTING
Fit:
–the pulley,
–the automatic tension wheel without tightening it and
position the groove (7) of the tension wheel correctly
in the pin,
–the three bolts at the centre of the inlet camshaft
sprocket holes (this must be free),
–the exhaust camshaft timing tool Mot. 1537.
Check that the crankshaft is at top dead centre.
Fit the timing belt at the same time as the exhaust
camshaft sprocket, and position the sprocket mounting
bolts at the centre of the holes.
Operation of the exhaust camshaft timing/locking tool
repeater: mobile mark (1) on the tension wheel pushes
the repeater (2) to the lower section (3). The upper
section has two edges (4) and (5) which, repeat the
position of the tension wheel index by aligning with the
edge (6) of the fixed section of the tool.Adjust the position of the tension wheel (by pivoting
the tension wheel eccentric anticlockwise) plus
approximately 5˚ by aligning sections (5) and (6).
16026M
17551M
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Timing belt
11
11 - 6
Tighten:
–the tension wheel bolt (8),
–the camshaft timing sprocket bolts (9) to a torque of
1 daN.m.
Remove the camshaft timing tools Mot. 1534 and
Mot. 1537 and the TDC pin Mot. 1536.
Rotate the crankshaft through two revolutions in a
clockwise direction (timing side).
Pin the crankshaft to top dead centre (the top dead
centre mark on the crankshaft accessories pulley must
be in the vertical axis of the engine).
Fit the camshaft timing tools Mot. 1534 and
Mot. 1537.
Check that the tab of Mot. 1537 moves vertically
without constraint.
Undo the camshaft timing sprocket bolts by a
maximum of one turn. Checking the timing and the tension
Undo the tension wheel bolt (8) while holding the
eccentric with a 6 mm Allen key.
Pivot the tension wheel eccentric clockwise, until the
surface (10) of the tab (11) is aligned with the
upper surface (12) of tool 1537.