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 pulleysLow hands free key (hf) battery level
The activation of this (amber yellow) "warning" indicates that the hands free
system has detected that the battery that
permits the active key (a) to communicate and turn the vehicle on is almost
discharged.
Note
In this case replace as soon as possible the battery as indicated in sect.
6 - ...
Engine temperature sensor
Introduction
The engine control system on the diavel uses a sensor that measures the
temperature of the coolant (engine
temperature). This sensor has a resistance of ntc type (negative temperature
coefficient), that reduces its own value
when the temperature increases. The engine temperature ...
General 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 ...