Insert the tool code 88713.1806 In the pulleys to lock their rotation and use the bush supplied to loosen the fixing nuts (21) of the pulleys.
important
On reassembly, always use new nuts.
Remove the nuts (21) and the pulleys (11) from the camshafts.

Loosen the nut (8), and remove the washer (7) and the fixed tensioner (13).
Repeat the same procedure to remove the other pulley.

Removal of the tensioner and idler pulley mounting studs
Using the tool code 88713.1821, Remove the tensioner pins (12) from the cylinder heads.

Removal of the movable tensioner/timing belt
Disassembly of the camshaft pulleysExhaust by-pass valve not working correctly
Fault codes
Dds: exvl diagnosis -> position error, potentiometer, short circuit to ground
or open circuit (s.C. Gnd or c.O.),
Potentiometer short circuited to vdc (potentiometer s.C vdc).
Dashboard: the error "exvl" (exhaust bypass valve) is shown on the service
display. The eobd warning ...
Camshafts
Head
Stud bolt
Special screw
Sealing washer
Horizontal cylinder head cover
Vertical cylinder head cover
Special screw
O-ring
Head gasket
Screw
Pin
Union
Clamp
Horizontal cylinder exhaust camshaft
Horizontal cylinder intake camshaft
Plug
Sealing ring
Vertical ...
Lh switch
Dip switch, light dip switch, two positions (fig. 89):
(A) every time pressed down light switches from low
beam on to low beam and high beam
on .
(B) pushed to the side = high
beam flasher (flash),
"start-stop lap" function.
Button = three-position turn
indicator ...