heater RENAULT TWINGO 2009 2.G Engine And Peripherals User Guide

11A-117
TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
K9K
11A
aIf necessary, carry out a complete check of the cylin-
der head (see Cylinder head: Check) .
II - REFITTING OPERATION FOR PART
CONCERNED
aBring the pistons to mid-stroke position to prevent
them from coming into contact with the valves during
the tightening of the cylinder head.
aRefit:
-a new cylinder head gasket,
-the cylinder head.
Cylinder head tightening procedure
aRefit the cylinder head bolts.
aFit the cylinder head bolts, without tightening them.
aTighten to torque and in order the cylinder head
bolts (initial torque) (25 N.m).
aCheck that the cylinder head bolts are tightened to
25 Nm.
aAngle tighten the cylinder head bolts (270˚ ±± ± ±
10˚) in
order using a cylinder head bolt tightening gauge
(angular measuring type).
III - FINAL OPERATION
aRefit:
-the timing end bracket on the air filter box.
-the timing end bracket bolt on the air filter box,-the two high pressure pipes between the rail and
injector at the timing end (see 13B, Diesel injec-
tion, High pressure pipe between rail and injec-
tor: Removal - Refitting, page 13B-39) ,
-the rocker cover (see 11A, Top and front of en-
gine, Rocker cover: Removal - Refitting, page
11A-66) ,
-the oil return pipe fitted with new seals, fitting it into
the cylinder block (see 12B, Turbocharging, Tur-
bocharger oil pipe: Removal - Refitting, page
12B-12) .
aRefit the catalytic converter (see 19B, Exhaust,
Catalytic converter: Removal - Refitting, page
19B-12) .
aConnect:
-the coolant temperature sensor connector,
-the heater matrix cooling hose to the water cham-
ber.
aFit the clip on the heater matrix cooling hose onto
the water chamber using the (Mot. 1202-01) or
(Mot. 1202-02) or (Mot. 1448).
aConnect the coolant pump inlet pipe cooling hose.
aFit the cooling hose clip at the coolant pump inlet
pipe end using the (Mot. 1202-01) or (Mot. 1202-02)
or (Mot. 1448).
aConnect the EGR cooler cooling hose.
aFit the cooling hose clip at the EGR cooler end using
the (Mot. 1202-01) or (Mot. 1202-02) or (Mot.
1448).
aConnect the brake servo pipe onto the vacuum
pump.
aFit the engine wiring.
aClip:
-the breather pipe onto the gearbox,
-the wiring on the engine lifting eye on the gearbox
side.
aRefit the air filter unit (see 12A, Fuel mixture, Air fil-
ter unit: Removal - Refitting, page 12A-13) .
aRemove the blanking plugs from the fuel pipes and
high pressure pump.
aConnect the fuel inlet and return pipes to the high
pressure pump.
aFit the engine wiring.
aConnect:
-the accelerometer connector,
-injector rail pressure sensor connector, WARNING
In order to ensure that the bolts are correctly
tightened, use a syringe to remove any oil which
may be in the cylinder head mounting holes.
19712

11A-118
TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
K9K
11A
-the connectors to the high pressure pump,
-the heater plug connectors ,
-the injector connectors.
aRefit:
-the engine wiring channel nut,
-the dipstick guide,
-the dipstick guide nut.
aRefit:
-the timing belt (see 11A, Top and front of engine,
Timing belt: Removal - Refitting, page 11A-27) .
-the accessories belt (see 11A, Top and front of
engine, Accessories belt: Removal - Refitting,
page 11A-3) ,
-the front upper cross member (see Front upper
cross member: Removal - Refitting) (42A, Upper
front structure),
-the halogen headlights (see Halogen headlight:
Removal - Refitting) (80B, Headlights),
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion),
-the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment),
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),
-the windscreen wiper arms (see Windscreen wip-
er arm: Removal - Refitting) (85A, Wiping -
Washing),
aConnect the battery (see ) (80A, Battery).
aFill and bleed the cooling system (see 19A, Cool-
ing, Cooling system: Draining - Refilling, page
19A-9) .
aRefit the engine cover.

11A-120
TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
K4M
11A
-the camshafts (see 11A, Top and front of engine,
Camshaft: Removal - Refitting, page 11A-82) .
aDrain the gearbox (see Manual gearbox oils:
Draining - Filling) (21A, Manual gearbox).
aRemove:
-the front right-hand wheel driveshaft (see Front
right-hand driveshaft: Removal - Refitting)
(29A, Driveshafts),
-the exhaust manifold (see 12A, Fuel mixture, Ex-
haust manifold: Removal - Refitting, page 12A-
48) .
aRemove:
-the dipstick,
-the bolts (1) from the dipstick guide,
-the dipstick guide.aUsing the (Mot. 1448) or (Mot. 1202-01) or (Mot.
1202-02) remove:
-the cooling radiator top hose clip (2) on the water
chamber.
-the heater matrix inlet hose clip (3) on the water
chamber.
aDisconnect:
-the cooling radiator top hose from the water cham-
ber.
-the heater matrix inlet hose of the water chamber,
-the connector (4) from the coolant temperature
sensor.
aUnclip the water chamber wiring.
132368
128616

11A-123
TOP AND FRONT OF ENGINE
Cylinder head: Removal - Refitting
K4M
11A
II - REFITTING OPERATION
aRefit:
-the cylinder head,
-the new cylinder head bolts.
aWithout tightening, fit the cylinder head bolts in or-
der.
aPretighten to torque and in order the cylinder head
bolts (initial torque) (20 N.m).
aCheck that all of the new cylinder head bolts are
tightened to the correct torque (20 N.m).
aAngle tighten in order the cylinder head bolts (240˚
±± ± ±
6˚).III - FINAL OPERATION
aPosition the injector wiring.
aConnect the injector connectors.
aFit the wiring bracket on the water chamber.
aRefit:
-the wiring bracket bolt on the water chamber,
-the bolts of the engine wiring channel.
aClip on the water chamber wiring.
aConnect:
-the coolant temperature sensor connector,
-the heater matrix inlet hose to the water chamber,
-the cooling radiator top hose to the water chamber.
aUsing the (Mot. 1448) or (Mot. 1202-01) or (Mot.
1202-02) fit:
-the cooling radiator top hose clip on the water
chamber,
-the heater matrix inlet hose clip on the water cham-
ber.
aRefit:
-dipstick guide ,
-the dipstick,
-the exhaust manifold (see 12A, Fuel mixture, Ex-
haust manifold: Removal - Refitting, page 12A-
48) .
-the front right-hand wheel driveshaft (see Front
right-hand driveshaft: Removal - Refitting)
(29A, Driveshafts),
-the camshafts (see 11A, Top and front of engine,
Camshaft: Removal - Refitting, page 11A-82) ,
-the rocker cover (see 11A, Top and front of en-
gine, Rocker cover: Removal - Refitting, page
11A-66) ,
-the camshaft seals on the timing end (see 11A,
Top and front of engine, Camshaft seal, timing
end: Removal - Refitting, page 11A-138) ,
-the camshaft dephaser (see 11A, Top and front of
engine, Camshaft dephaser: Removal - Refit-
ting, page 11A-135) ,
-the timing belt (see 11A, Top and front of engine,
Timing belt: Removal - Refitting, page 11A-27) ,
-the crankshaft accessories pulley (see 11A, Top
and front of engine, Crankshaft accessories
pulley: Removal - Refitting, page 11A-20) ,
103259
WARNING
In order to ensure that the bolts are correctly
tightened, use a syringe to remove any oil which
may be in the cylinder head mounting holes.
WARNING
Do not oil the new bolts. Be sure to oil bolts
being reused.
WARNING
Do not retighten the cylinder head bolts after
applying this procedure.

13A-1
FUEL SUPPLY
Diesel supply circuit: Operating diagram
K9K
13A
The diesel fuel supply system includes a diesel injec-
tion computer and various sensors.
120417
(1) Fuel tank
(2) Dipstick
(3) Electrical diesel fuel reheater
(4) Man ual priming pump
(5) Diesel filter
(6) High pressure pump
(7) Fuel fl ow actuator
(8) Injector rail
(9) Injector rail pressure sensor
(10) Diesel injector
(11) Venturi
IMPORTANT
Loosening a high pressure pipe union when the
engine is running is strictly prohibited.
WARNING
It is forbidden:
-to dismantle the interior of the pump or injectors.
-to remove the pressure sensor from the fuel rail
(because of circuit contamination problems). If the
pressure sensor fails, the pressure sensor, the rail
and the five high pressure pipes must be replaced,
-to dismantle the flow regulator solenoid valve and
the pressure regulator solenoid valve on the high
pressure pump.

13A-2
FUEL SUPPLY
Manual priming pump: Removal - Refitting
K9K
13A
PARTS AND CONSUMABLES FOR THE
REPAIR WORK
aCONSUMABLES:
-cleaning cloths.
a
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 411, 02A, Lifting equip-
ment).
aRemove the front engine cover.II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDetach the fuel pipe from the body.
aDisconnect the electric diesel fuel heater fuel pipe
union (1) .
aUnclip the fuel pipe. 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.
IMPORTANT
Wear goggles with side protectors for this opera-
tion.
IMPORTANT
Wear latex gloves during the operation.
IMPORTANT
Consult the safety and cleanliness advice and
operation recommendations before carrying out
any repair (see 13B, Diesel injection, Diesel
injection: Precautions for the repair, page
13B-1) .
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to run.
WARNING
Prepare for the flow of fluid, and protect the sur-
rounding components.
120049
WARNING
To prevent impur ities from entering the circuit,
plugs must be fitted to the openings of all the fuel
circuit components exposed to the open air.
WARNING
Keep the pipe unions away from contaminated
areas.

13A-3
FUEL SUPPLY
Manual priming pump: Removal - Refitting
K9K
13A
aDisconnect the fuel pipe union (2) .
aRemove the manual priming pump.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
a
aRefit the manual priming pump.
aConnect the fuel pipe union.
aClip on the fuel pipe.
aConnect the fuel pipe union to the electric diesel fuel
heater.
aClip the fuel pipe on to the body.
II - FINAL OPERATION.
aOpen the bleed screw on top of the fuel filter.
aPrime the fuel circuit using a manual priming pump
until the disconnected pipes are filled with fuel.
aClose the bleed screw on top of the fuel filter.aCheck that there are no fuel leaks.
aStart the engine.
aCheck that there are no fuel leaks.
aSwitch off the engine.
aRefit the engine cover.
120045
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 vehi-
cle.

13A-7
FUEL SUPPLY
Electric diesel fuel heater: Removal - Refitting
C44, and K9K
13A
REMOVAL
I - OPERATION FOR REMOVAL OF PART
CONCERNED
aPosition the vehicle on a two-post lift ( (see Vehicle:
Towing and lifting) ).
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect the electric diesel fuel heater electrical
connector (1) .
aRemove the nut (2) from the electric diesel fuel heat-
er mounting on the body.
aDisconnect the inlet and outlet fuel supply pipes (3)
from the electric diesel fuel heater.
aRemove the electric diesel fuel heater and its mount-
ing from the vehicle.
aSeparate the electric diesel fuel heater from its
mounting, letting it flow.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aFit then lock the electric diesel fuel heater to its
mounting.
aFit the electric diesel fuel heater and its mounting to
the vehicle.
aConnect the electric diesel fuel heater inlet and out-
let fuel supply pipes.
aRefit the electric diesel fuel heater mounting nut on
the body.
aTighten the diesel heater mounting nut on the body.
aConnect the electric diesel fuel heater electrical con-
nector.
aPrime the diesel circuit using the manual priming
pump (4) .
aStart the engine then let it run for a few minutes to
check that it starts properly and to check that there
are no leaks.
II - FINAL OPERATION.
aDeal with possible fuel leaks.
120049
Note:
Make preparations for fuel outfl ow.
120045

13B-8
DIESEL INJECTION
Diesel injection: List and location of components
K9K, and 740
13B
121418
(1) High pressure pump
(2) Venturi
(3) Injectors
(4) Heater plugs
102315
(5) Fuel fl ow actuator
(6) Diesel fuel temperature sensor
(7) Accelerometer
121420
(8) Injector rail
(9) Injector rail pressure sensor
121422
(10) Diesel injection computer

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