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 pumpExhaust by-pass valve not working correctly
Fault codes
Dds: exvl diagnosis -> position error, potentiometer, short circuit to ground
or open circuit (s.C. Gnd or c.O.),
Potentiometer short circuited to vdc (potentiometer s.C vdc).
Dashboard: the error "exvl" (exhaust bypass valve) is shown on the service
display. The eobd warning ...
Technical specifications
General
Colours
Transmission
Timing system/valves
Crankshaft
Cylinder/piston
Gearbox
Cooling system
Front wheel
Front suspension (diavel abs)
Front suspension (diavel carbon abs)
Rear wheel
Rear suspension (diavel abs)
Rear suspensio ...
First warning - oil service 1000 km
The first warning is activated at 1000 km (600 miles) of odometer reading.
The (red) warning is activated as a large icon for 10 seconds upon every key-on
(1) then as a small warning that
remains displayed (2) until it is reset.
...