RENAULT TWINGO 2009 2.G Engine And Peripherals Workshop Manual

13B-10
DIESEL INJECTION
Diesel injection: List and location of components
K9K, and 718
13B
121418
(1) High pressure pump
(2) Venturi
(3) Injectors
(4) Heater plugs
102315
(5) Fuel fl ow actuator
(6) Diesel temperature sensor
(7) Accelerometer
121420
(8) Injector rail
(9) Injector rail pressure sensor
121422
(10) Diesel injection computer

13B-11
DIESEL INJECTION
Diesel injection: List and location of components
K9K, and 718
13B
141220
(11) Pre-postheating unit
120039
(12) Turbocharger pressure sensor
(13) Exhaust gas recirculation sole-
noid valve
(14) Coolant temper ature sensor
(15) Air inlet temperature sensor
upstream of the turbocharger
(16) Air inlet temperature sensor
downstream of the turbocharger
120326
(17) Cylinder reference sensor
120327
(18) Crankshaft position sensor

13B-12
DIESEL INJECTION
Diesel injection: List and location of components
K9K, and 718
13B
122830
(19) Intercooler
141219
(20) Turbocharging pressure sole-
noid valve

13B-13
DIESEL INJECTION
Diesel injection computer: Removal - Refitting
K9K
13B
To configure the diesel injection computer (see MR
413 Fault finding, 13B, Diesel injection, Fault find-
ing - Replacement of components).
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove the front engine cover.
aDisconnect the battery ( (see Battery: Removal -
Refitting) ).
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect the injection computer connectors (1) .
aRemove the nuts (2) from the computer on the bat-
tery tray.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aPosition the new injection computer making sure the
positioning lug is engaged, then fit the computer
onto the studs.
aRefit the computer nuts on the battery tray.aTorque tighten the computer nuts (4 Nm).
aConnect the injection computer.
II - FINAL OPERATION.
aConnect the battery ( (see Battery: Removal - Re-
fitting) ).
aRefit the engine cover. Tightening torquesm
computer nuts4 Nm
120322

13B-14
DIESEL INJECTION
Camshaft position sensor: Removal - Refitting
C44, and K9K
13B
PARTS AND CONSUMABLES FOR THE
REPAIR WORK
aParts always to be replaced:
-axle subframe bolt.
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift ( (see Vehicle:
Towing and lifting) ).
aRemove the right-hand suspended engine mounting
(see 19D, Engine mounting, Right-hand sus-
pended engine mounting: Removal - Refitting,
page 19D-13) .
aLift the engine with the support of the (Mot. 1672) so
as to be able to easily access the camshaft position
sensor bolt.II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect the connector (1) from the camshaft po-
sition sensor.
aRemove:
-the bolt (2) from the camshaft position sensor,
-the camshaft position sensor.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the camshaft position sensor,
-the camshaft position sensor bolt.
aTorque tighten the camshaft position sensor bolt
(8 Nm).
aConnect the camshaft position sensor connector.
II - FINAL OPERATION.
aLower the engine with the support of the (Mot. 1672)
to position the engine, approximately in its normal
position.
aRefit the right-hand suspended engine mounting
(see 19D, Engine mounting, Right-hand sus-
pended engine mounting: Removal - Refitting,
page 19D-13) , Special tooling required
Mot. 1672Low er engine support.
Tightening torquesm
camshaft position sen-
sor bolt8 Nm
120326

13B-15
DIESEL INJECTION
Crankshaft position sensor: Removal - Refitting
C44, and K9K
13B
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift ( (see Vehicle:
Towing and lifting) ).
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect the crankshaft position sensor connector
(1) from underneath the vehicle.
aRemove:
-the crankshaft position sensor bolt (2) ,
-the crankshaft position sensor.
REFITTING
REFITTING OPERATION FOR PART CONCERNED
aRefit:
-the crankshaft position sensor,
-the crankshaft position sensor bolt.
aTighten the crankshaft position sensor bolt.
aConnect the crankshaft position sensor electrical
connector from underneath the vehicle.
120327

13B-16
DIESEL INJECTION
High pressure pump: Removal - Refitting
K9K
13B
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove the front engine cover.
aDisconnect the battery (see ) (80A, Battery).
aRemove:
-the windscreen wiper arms (see Windscreen wip-
er arm: Removal - Refitting) (85A, Wiping -
Washing),
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment).
aRemove:
-the dipstick,
-the oil level dipstick nut (1) ,
-the oil level dipstick guide.
aPlug the oil level dipstick guide inlet opening on the
cylinder block.
aDisconnect the following connectors :
-the heater plugs,
-of the injectors,
-the flow actuator,
-the diesel temperature sensor.
aProtect the alternator from fuel outflow. Special tooling required
Mot. 1672Low er engine support.
Mot. 1430Set of 5 crankshaft and cam-
shaft pulley timing pins.
Mot. 1606High pressure pump pulley
support tool.
Mot. 1525Gear extractor for tapered
hub injection pump.
Mot. 1525-02Adapter claws for Mot. 1525.
Equipment required
Diagnostic tool
Tightening torquesm
high pressure pump
bolts on the cylinder
head23 N.m
high pressure pump pul-
ley nut70 N.m
cylinder head sus-
pended mounting bolts25 N.m
IMPORTANT
Consult the safety and cleanliness advice and oper-
ation recommendations before carrying out any
repair (see 13B, Diesel injection, Diesel injec-
tion: Precautions for the repair, page 13B-1) .
114527

13B-17
DIESEL INJECTION
High pressure pump: Removal - Refitting
K9K
13B
a
Clean the union on the diesel fuel supply pipe high
pressure pump (see 13B, Diesel injection, Diesel
injection: Precautions for the repair, page 13B-1)
.
aUnclip:
-the fuel supply and return pipes at (2) ,
-the priming pump (3) .
aDisconnect the high pressure pump from:
-the diesel supply pipe (4) ,
-the diesel return pipe (5) to the diesel filter.
aInsert the blanking plugs.
aRemove the fuel supply pipes from the pump.
aRemove:
-the fuel filter (see 13A, Fuel supply, Fuel filter:
Removal - Refitting, page 13A-4) ,
-the fuel filter mounting bolts,
-the fuel filter holder,aUnclip the engine wiring channel at (6) .
aMove the engine wiring away from the engine wiring
channel.
aRemove:
-the nut (7) from the channel,
-the channel,
-the engine tie-bar (see 19D, Engine mounting,
Lower engine tie-bar: Removal - Refitting, page
19D-18) .
121423
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to run.
WARNING
To prevent impurities from entering the circuit,
plugs must be fitted to the openings of all the fuel
circuit components exposed to the open air.
121419

13B-18
DIESEL INJECTION
High pressure pump: Removal - Refitting
K9K
13B
a
Disconnect the diesel return pipe (8) on the venturi.
aInsert the blanking plugs.
aRemove the high pressure pipe between the pump
and the rail (see 13B, Diesel injection, High pres-
sure pipe between pump and rail: Removal - Re-
fitting, page 13B-35)
aRemove the right-hand suspended engine mounting
(see 19D, Engine mounting, Right-hand sus-
pended engine mounting: Removal - Refitting,
page 19D-13) .
aLift the engine a few centimetres using the (Mot.
1672).
aRemove the camshaft position sensor (see 13B,
Diesel injection, Camshaft position sensor: Re-
moval - Refitting, page 13B-14) .aUnclip the upper timing cover at (9) .
aRemove:
-the plastic bolt (10) ,
-the upper timing cover.
121420
WARNING
To prevent impurities from entering the circuit,
plugs must be fitted to the openings of all the fuel
circuit components exposed to the open air.
Note:
Do not disconnect the right-hand driveshaft when
raising the engine.
K9K, and 718
141221
136654

13B-19
DIESEL INJECTION
High pressure pump: Removal - Refitting
K9K
13B
aRemove the accessories belt (see 11A, Top and
front of engine, Accessories belt: Removal - Re-
fitting, page 11A-3)
aUnclip the upper timing cover at (11) .
aRemove the upper timing cover.
aUnclip the lower timing cover at (12) .
aRemove:
-the plastic bolt (13) on the lower timing cover,-the lower timing cover.
K9K, and 740
19654
19654-1