Unscrew and remove the screws (7) and the o-rings (8) from the cylinder head covers.
Remove the cylinder head cover (6).
Remove the gaskets (4) and (9).
Repeat the same procedure for the other cylinder head cover. Unscrew the screws (3) securing the camshaft supports.
Withdraw the camshaft supports (22) and (23) straight out from the cylinder head, taking care not to damage the machined faces and locating dowels (11).
Remove the exhaust camshaft (14) and the intake camshaft (15), and slide off the sealing rings (17) on their ends.
Repeat the same procedure for the other cylinder head.
If necessary, unscrew the stud bolts (2) from the cylinder heads.
Dds diagnosis instrument
The main functions of the dds diagnosis instrument can be summarised as
follows:
Retrieval of errors (faults) of the ignition-injection system stored in
the engine control unit memory and their subsequent
deletion, if required.
Reading of engine parameters (rpm, coolant and air temperat ...
Operations to be carried out by the dealer
List of operations to be performed every 12000 km / year (first
limit reached)
Reading of the error memory with dds on the engine control units,
vehicle and abs
Change the engine oil
Change the engine oil filter
Check and/or adjust valve clearance ( ...
Throttle valve operation engine
Introduction
The electric motor actuating the throttle valve for the vertical cylinder is
mounted on the throttle body of the diavel, while
a link rod connects the vertical cylinder throttle valve to the horizontal
cylinder throttle valve. In the electric motor, the
throttle valve position se ...