
Raise the rocker arm (3) and remove the opening shim (5) from the valves with a pair of pliers.

Push down the closing rocker arms (16) and (4) and the closing shim (7).
Remove the half rings (6) from the valves with a magnetic screwdriver. Extract the closing shims (7) from the valve using a pair of pliers.

Withdraw the valves (14) and (11) from underside of the cylinder head.

Repeat the same procedure for the other cylinder head.
Removal of the cylinder heads
Removing the valve rocker armsRemoval of the licence plate holder
Disconnect connector (5) of the number plate holder wiring from the main one.
Release the number plate holder light cable from the ties and the cable grommets
as indicated in sect- 7 - 6, flexible
wiring/hoses positioning, since the cable is together with the rear abs sensor
cable.
...
On-board computers and the can line
The following on-board computers make up the electrical system of the diavel
and are connected with each other via the
can line (or network):
Master dashboard
Slave dashboard
Hands free (facilitated keyless start system)
Ecu (engine control unit)
Bbs (black box system or central elect ...
Check the idle and the co amount with warm engine
Start the engine;
Switch on the dds and check that it does not signal any error (otherwise
consult the relevant paragraph of this manual
to reset the error and proceed with the idle check);
Enter the "self diagnosis" menu by selecting the diavel model in the
available vehicle version. ...