Hold the oil pump (1) in a vice taking care not to damage the drive gear (12).

Warning
Make sure that vice jaws are faced with soft material.
Remove the plug (14) and extract the spring (16) and by-pass valve (17).

Check the condition of the above components.
Remove the circlip (6) and withdraw the pump drive gear (12).

Removal of the oil pump
Reassembly of the oil pumpEvaporative emissions canister system (usa versions only)
Usa models are equipped with an additional system with an evaporative
emissions canister that prevents fuel fumes from
being discharged into the atmosphere.
The breather hose (4) is connected to the canister filter (1); when the fuel
has been filtered, it is returned through the
hose (2) to t ...
Overhaul of the gearbox
Check the condition of the front coupling dogs of the gears. They must be in
perfect condition and with no sign of wear on
the edges of the teeth.
The idler gears must rotate freely on their shafts.
When refitting, make sure the circlips are correctly positioned.
Check the needle roller ...
Introduction to the engine control system
The engine control system used on the diavel consists of the following
elements:
Ride-by-wire system (motorised throttle valves with electric actuator,
throttle grip position sensor and throttle valve
position sensor)
One injector per cylinder installed downstream of throttle valve
On ...