13B-35
DIESEL INJECTION
Diesel injector: Removal - Refitting
K9K
13B
REFITTING
I - REFITTING PREPARATION OPERATION
a Always replace the heat protection washer of the
diesel injector concerned.
Cleaning parts
a
a Always clean the well of the removed injector (see
Injector well cleaning tool: Use) (Technical Note
6040A, 13B, Diesel injection).
a If reusing the removed injector:
-clean the injector using a CLOTH FOR INJEC-
TION SYSTEM soaked in INJECTOR CLEANER
or BRAKE CLEANER (see Vehicle: Parts and
consumables for the repair) (04B, Consumables
- Products),
-if necessary, leave the injector nozzle to soak in IN-
JECTOR CLEANER (see Vehicle: Parts and
consumables for the repair) (04B, Consumables
- Products),
-wipe the injector with a new CLOTH FOR INJEC-
TION SYSTEM, (see Vehicle: Parts and consum-
ables for the repair) (04B, Consumables -
Products) and (see Diesel injection: Precautions
for the repair) (13B, Diesel injection).
II - REFITTING OPERATION FOR PART
CONCERNED
a
a Refit the injector with its clamp.
a Torque tighten the diesel injector clamp bolt (28
N.m).
III - FINAL OPERATION
a Fit the high pressure pipes (see 13B, Diesel injec-
tion, High pressure pipe between rail and injec-
tor: Removal - Refitting, page 13B-22) .
a Torque tighten the injector rail nuts (28 N.m).
a Torque tighten in order the « rail-injector » high
pressure pipe nuts (24 N.m) (see 13B, Diesel in-
jection, High pressure pipe between rail and in-
jector: Removal - Refitting, page 13B-22) .
a Refit the neck located on the injector rail.
a Secure the engine wiring on the neck.
a Connect:
- the accelerometer,
- the high pressure rail pressure sensor,
- the diesel return pipe connecting the injectors to
the high pressure pump,
- the diesel supply and return pipes on the high pres-
sure pump,
- the electrical connectors on the high-pressure
pump,
- the injectors,
- the heater plugs.
a Refit the dipstick guide.
a Torque tighten the nuts of the neck and dipstick
guide on the injector rail (21 N.m).
a Refit:
- the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-6) .
- the engine cover,
a Connect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
WARNING
It is strictly forbidden to clean the injectors with:
-a wire brush,
-an emery cloth,
-an ultrasonic cleaner.
WARNING
Do not remove the caps from each component
until the last moment.
Note:
If one or more injectors are replaced, note the
alphanumeric code (C2I) and the cylinder on
which it is fitted.
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