M9R
| IMPORTANT
Consult the safety and cleanliness advice and operation
recommendations before carrying out any
repair. |
IMPORTANT
Use the diagnostic tool before any operation is carried
out on the injection circuit to check:
- that the rail is not under pressure,
- that the fuel temperature is not too high.
Working on the circuit with the engine running is
strictly forbidden. |
IMPORTANT
During this operation, be sure to:
- refrain from smoking or bringing red hot objects
close to the working area,
- be careful of fuel splashes when disconnecting the
union.
|
| WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to run. |
REMOVAL
I - REMOVAL PREPARATION OPERATION
- Remove the front engine cover.
- Disconnect the quick-release unions (1) from the
manual priming pump.
- Insert the blanking plugs.
- Remove:
- the nuts and the bolt (2) from the fuel filter protector,
- the fuel filter protector (3) .
- Disconnect the brake servo pipe (4) from the non-return
valve.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
| Note:
The fuel temperature sensor is integrated into the
fuel return pipe and these two components cannot
be removed separately. |
- Disconnect the fuel supply quick-release union (5)
from the high pressure pump of the fuel filter.
- Insert the blanking plugs.
- Disconnect:
- the fuel supply quick-release union (6) from the
high pressure pump,
- the fuel temperature sensor connector (7) .
- Unclip:
- the fuel temperature sensor,
- the air bleed quick-release union (8) ,
- the high pressure pump fuel supply pipe.
- Remove fuel temperature sensor and fuel supply
pipe assembly from the high pressure pump.
REFITTING
I - REFITTING PREPARATION OPERATION
| WARNING
Do not remove the blanking plugs from each
component until the last moment.
Also, do not remove the components from their
packaging until they are to be fitted to the vehicle. |
II - REFITTING OPERATION FOR PART
CONCERNED
- Refit the fuel temperature sensor and fuel supply
pipe assembly of the high pressure pump.
- Clip:
- the high pressure pump fuel supply pipe,
- the air bleed quick-release union,
- the fuel temperature sensor.
- Remove the blanking plugs from the openings.
| Note:
Be careful not to pinch or damage the fuel pipes. |
- Connect:
- the fuel temperature sensor connector,
- the fuel supply quick-release union of the high
pressure pump,
- the high pressure pump fuel supply quick-release
union to the fuel filter.
III - FINAL OPERATION.
- Connect the brake servo pipe of the non-return
valve.
- Refit:
- the fuel filter protector,
- the nuts and the bolt of the fuel filter protector.
- Torque tighten:
- the fuel filter protector nuts (10 N.m),
- the fuel filter protector bolt (25 N.m).
- Remove the blanking plugs from the openings.
- Connect the quick-release unions of the manual
priming pump.
- Prime the circuit using the manual priming pump.
- Refit the engine cover.
|
