Apply the recommended threadlocker to the threads of the studs.
Insert the tensioner pins (12) on the cylinder heads, and tighten them using the tool code 88713.1821.
Tighten the tensioner pins to a torque of 50 nm (min. 45 Nm - max. 55 Nm) (sect. 3 - 3, Engine torque settings).

Refitting the timing belt driveshaft pulleys
Reassembly of the timing pulleysGeneral safety rules
Carbon monoxide
When a maintenance operation must be performed with the engine running, maker
sure that the working area is wellventilated.
Never run the engine in an enclosed space.
Warning
Exhaust fumes contain carbon monoxide, which is a poisonous gas that
can cause unconsciousness or e ...
Removal of the cylinder heads
Using the tool code 88713.2676, Undo the nuts (21) on the cylinder head stud
bolts.
Remove the cylinder head nuts (21) and special washers (22).
Remove the cylinder head assembly by lifting it off the engine studs.
Repeat the same procedure for the other cylinder head. ...
Refitting the airbox and throttle body
Position the filter box (1).
Operate on the vehicle lh side, connect connector (f) of the tps/div motor.
Operating on the right side of the vehicle, connect connector (e) from the
aps sensor.
Check for the vibration dampers (20) on the map sensor supporting bracket
(19).
Insert t ...