13B-28
DIESEL INJECTION
Leak flow from high-pressure pump: Check
K9K, and 832
13B
a Unclip the injector rail protector cover at (5) .
a Remove:
-the injector rail protector cover bolt (6) ,
-the injector rail protector cover nut (7) ,
-the injection rail protector cover,
a Disconnect the diesel injector fuel return rail (8) from
the high pressure pump.
a Fit a blanking plug onto the opening of the diesel in-
jector fuel return rail.
a Connect the 8 mm diameter offset union fitted with
its hose contained in the tool (Mot. 1771) to the high
pressure pump union.
a Immerse this hose in the 500 ml graduated measu-
ring cylinder.
a Connect:
- the camshaft position sensor connector,
- the damper valve connector,
- the intercooler outlet air pipe on the damper valve.
a Torque tighten the intercooler air outlet pipe clip
on the damper valve (5.5 N.m).
a Refit the turbocharger air outlet pipe (see 12B, Tur-
bocharging, Intercooler air inlet pipe: Removal -
Refitting, page 12B-41) .
II - CHECKING OPERATION FOR PART
CONCERNED
a Force the vehicle's + after ignition feed.
a Connect the diagnostic tool.
a Run commands:
- RZ009 "Program vehicle functions",
- VP036 "Inhibit fuel supply".
a Run the starter for 15 seconds.
a Check that the minimum flow is 25 ml for 15 se-
conds.
a Run command VP037 "Stop fuel supply inhibition".
a Disconnect the diagnostic tool.
III - FINAL OPERATION
a Remove the turbocharger outlet air pipe (see 12B,
Turbocharging, Intercooler air inlet pipe: Remo-
val - Refitting, page 12B-41) .
a Separate the intercooler air outlet pipe clip on the
damper valve.
a Disconnect:
- the intercooler air outlet pipe on the damper valve,
- the damper valve connector,
- the camshaft position sensor connector.
a Disconnect the 8 mm diameter offset union fitted
with its hose contained in the tool (Mot. 1771) on the
high pressure pump union.
a Remove the blanking plug from the diesel injector
fuel return rail opening.
134699
135009
WARNING
To prevent impurities from entering the circuit,
place protective plugs on all fuel circuit compo-
nents exposed to the open air.
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