oil pressure RENAULT TWINGO 2009 2.G Engine And Peripherals Workshop Manual

TWINGO - Chapitre 1
Contents
Pages
TWINGO - Chapitre 1ContentsPages
10AENGINE AND CYLINDER BLOCK
ASSEMBLY
Crankshaft seal on timing
end: Removal - Refitting 10A-1
Crankshaft seal, gearbox
end: Removal - Refitting 10A-3
Lower cover: Removal -
Refitting 10A-6
Engine oil: Draining -
Refilling 10A-22
Oil filter: Removal - Refitting 10A-29
Oil-coolant heat exchanger:
Removal - Refitting 10A-33
Conrod bearing shell:
Removal - Refitting 10A-37
Oil pressure sensor:
Removal - Refitting 10A-45
Oil pump: Removal -
Refitting 10A-50
Oil pressure: Check 10A-59
Multifunction suppor t:
Removal - Refitting 10A-63
Engine - gearbox assembly:
Removal - Refitting 10A-74
Valves: Adjustment 10A-105
Flywheel: Removal - Refitting 10A-10711A TOP AND FRONT OF ENGINE
Pressure at end of
compression: Check 11A-1
Accessories belt: Removal -
Refitting 11A-3
Crankshaft accessories
pulley: Removal - Refitting 11A-20
Timing belt: Removal -
Refitting 11A-27
Rocker cover: Removal -
Refitting 11A-66
Camshaft: Removal -
Refitting 11A-82
Cylinder head: Removal -
Refitting 11A-114
Camshaft dephaser :
Removal - Refitting 11A-135
Camshaft seal, timing end:
Removal - Refitting 11A-138
Oil decanter: Removal -
Refitting 11A-147
12A FUEL MIXTURE
Air inlet: Description 12A-1
Air filter: Removal - Refitting 12A-6
Air filter unit: Removal -
Refitting 12A-13

Contents
Air resonator : Removal -
Refitting 12A-19
Throttle valve: Removal -
Refitting 12A-20
Throttle valve: Cleaning 12A-26
Air flowmeter: Removal -
Refitting 12A-28
Inlet distributor: Removal -
Refitting 12A-29
Injector holder shim:
Removal - Refitting 12A-45
Exhaust manifold: Removal -
Refitting 12A-48
12B TURBOCHARGING
Turbocharging: Precautions
for the repair 12B-1
Turbocharger: Removal -
Refitting 12B-4
Turbocharger oil pipe:
Removal - Refitting 12B-12
Intercooler : Removal -
Refitting 12B-18
13A FUEL SUPPLY
Diesel supply circuit:
Operating diagram 13A-1
Manual pr iming pump:
Removal - Refitting 13A-2
Fuel filter : Removal -
Refitting 13A-4
Electric diesel fuel heater:
Removal - Refitting 13A-7
Fuel circuit: Operating
diagram 13A-8 12A FUEL MIXTUREFuel pressure: Check 13A-9
Fuel flow: Check 13A-14
13B DIESEL INJECTION
Diesel injection: Precautions
for the repair 13B-1
Diesel injection: List and
location of components 13B-8
Diesel injection computer:
Removal - Refitting 13B-13
Camshaft position sensor:
Removal - Refitting 13B-14
Crankshaft position sensor:
Removal - Refitting 13B-15
High pressure pump:
Removal - Refitting 13B-16
Flow actuator: Removal -
Refitting 13B-26
Venturi: Removal - Refitting 13B-31
High pressure pipe: Check 13B-34
High pressure pipe between
pump and rail: Removal -
Refitting 13B-35
High pressure pipe between
rail and injector: Removal -
Refitting 13B-39
Injector rail: Removal -
Refitting 13B-43
Rail pressure sensor:
Removal - Refitting 13B-48
Fuel temperature sensor:
Removal - Refitting 13B-49
Injector leak flow: Check 13B-51
Accelerometer : Removal -
Refitting 13B-53 13A FUEL SUPPLY

10A-3
ENGINE AND CYLINDER BLOCK ASSEMBLY
Crankshaft seal, gearbox end: Removal - Refitting
K4M
10A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove:
-the engine undertray,
-the battery (see Battery: Removal - Refitting)
(80A, Battery),
-the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,
-the petrol injection computer (see 17B, Petrol in-
jection, Petrol injection computer: Removal -
Refitting, page 17B-20) ,
-the battery tray (see Battery tray: Removal - Re-
fitting) (80A, Battery),
-the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion),
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection).
aDrain:
-the gearbox (see Manual gearbox oils: Draining -
Filling) (21A, Manual gearbox),
-the engine cooling system (see 19A, Cooling,
Cooling system: Draining - Refilling, page 19A-
9) ,
-the refrigerant circuit using a refrigerant charging
station (see Refrigerant circuit: Draining - Fill-
ing) (62A, Air conditioning).
aRemove:
-the lower engine tie-bar (see 19D, Engine mount-
ing, Lower engine tie-bar: Removal - Refitting,
page 19D-18) ,-the front axle subframe (see Front axle subframe:
Removal - Refitting) (31A, Front axle compo-
nents),
-the front left-hand wheel driveshaft (see Front left-
hand driveshaft: Removal - Refitting) (29A,
Driveshafts),
-the front right-hand wheel driveshaft (see Front
right-hand driveshaft: Removal - Refitting)
(29A, Driveshafts),
-the differential output seals (see Differential out-
put seal: Removal - Refitting) (21A, Manual gear-
box),
-the « engine and gearbox » assembly (see 10A,
Engine and cylinder block assembly, Engine -
gearbox assembly: Removal - Refitting, page
10A-74) ,
-the manual gearbox (see Manual gearbox: Re-
moval - Refitting) (21A, Manual gearbox).
-the « pressure plate - disc » assembly (see Pres-
sure plate - Disc: Removal - Refitting) (20A,
Clutch),
-the flywheel (see 10A, Engine and cylinder block
assembly, Flywheel: Removal - Refitting, page
10A-107) . Special tooling required
Mot. 1129-01Tool for fitting the crankshaft
seal, flywheel end (80 x 100 x
8 seal).
Equipment required
refrigerant charging station

10A-32
ENGINE AND CYLINDER BLOCK ASSEMBLY
Oil filter: Removal - Refitting
K4M
10A
aWipe any oil run-off with a cloth.
aTop up the engine oil with oil recommended by the
manufacturer (see Engine oil: Specifications)
(Technical Note 6013A, 04A, Lubricants).
aConnect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
aStart the engine and wait until the oil pressure warn-
ing light goes out on the instrument panel.
aCheck for leaks from the oil filter.
aRefit the engine undertray.
aWait at least 10 minutes.
aCheck the oil level using the dipstick.
aAdjust the engine oil level if necessary.WARNING
Always check the oil level using the dipstick.
Do not exceed the maximum level on the dipstick
(could destroy the engine).
Correct the engine oil level if necessary before
delivering the vehicle to the customer.

10A-33
ENGINE AND CYLINDER BLOCK ASSEMBLY
Oil-coolant heat exchanger: Removal - Refitting
K9K
10A
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 engine cover,
-the front wheels (see Wheel: Removal - Refitting)
(MR 411, 35A, Wheels and tyres),
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (MR 412, 55A, Exterior
protection),
-the front bumper (see Front bumper: Removal -
Refitting) (MR 412, 55A, Exterior protection).
aDrain the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-9) .
aRemove the expansion bottle bolt.
aRemove the expansion bottle.
aUnclip the cooling hose on the lower section of the
engine cooling fan.II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect:
-the cooling hose (1) using the (Mot. 1448),
-the oil pressure sensor connector (2) .
aRemove:
-the bolt (3) from the oil filter support,
-the oil filter holder.
aRemove:
-the oil cooler nipple,
-the oil-water heat exchanger. Special tooling required
Mot. 1448Remote operation pliers for
hose clips .
121432
Note:
Be prepared for engine oil and coolant to flow
out.

10A-34
ENGINE AND CYLINDER BLOCK ASSEMBLY
Oil-coolant heat exchanger: Removal - Refitting
K9K
10A
REFITTING
I - REFITTING PREPARATION OPERATION
aUsing the buffing pads, clean the pressure faces of
the oil-water heat exchanger and the cylinder block.
aFit new seals on the oil-water heat exchanger with
soapy water.
aCheck the condition of the oil-water heat exchanger
nipple seals.
II - REFITTING OPERATION FOR PART
CONCERNED
aCoat the nipple with high resistance thread lock.
aRefit:
-the coolant-oil heat exchanger,
-the oil-coolant heat exchanger nipple.
aFit a new seal on the oil filter holder.
aRefit:
-the oil filter holder,
-the oil filter mounting bolt.
aTighten the oil filter mounting bolt.
aConnect:
-the oil pressure sensor connector,
-the cooling hose using the (Mot. 1448).
III - FINAL OPERATION
aClip the cooling hose on to the lower section of the
engine cooling fan.
aPosition the expansion bottle.
aRefit the expansion bottle bolt.aFill the cooling system (see 19A, Cooling, Cooling
system: Draining - Refilling, page 19A-9) .
aRefit:
-the front bumper (see Front bumper: Removal -
Refitting) (MR 412, 55A, Exterior protection),
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (MR 412, 55A, Exterior
protection),
-the front wheels (see Wheel: Removal - Refitting)
(MR 411, 35A, Wheels and tyres),
-the engine cover. WARNING
The joint faces must be clean, dr y and free from
grease (avoid finger marks).
WARNING
The gaskets must always be replaced with new
gaskets.
Note:
The oil-water heat exchanger nipple seals cannot
be separated; the entire assembly must be
replaced.

10A-45
ENGINE AND CYLINDER BLOCK ASSEMBLY
Oil pressure sensor: Removal - Refitting
K9K
10A
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 oil pressure sensor connector.
aRemove the oil pressure sensor (1) using the (Mot.
1495-01).
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit the oil pressure sensor using the (Mot. 1495-
01).
aTorque tighten the oil pressure sensor (35 Nm).
II - FINAL OPERATION.
aConnect the Diagnostic tool and check for any
faults; deal with them if necessary. Special tooling required
Mot. 1495-0122 mm socket for removal -
refitting of oxygen sensors.
Equipment required
Diagnostic tool
Tightening torquesm
oil pressure sensor35 Nm
113894

10A-46
ENGINE AND CYLINDER BLOCK ASSEMBLY
Oil pressure sensor: Removal - Refitting
D4F, and 772 – D7F
10A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aDisconnect the oil pressure sensor connector (1) .
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aRemove the oil pressure sensor.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit the oil pressure sensor.
aTorque tighten the oil pressure sensor (35 N.m).
II - FINAL OPERATION
aConnect the oil pressure sensor connector.Tightening torquesm
oil pressure sensor35 N.m
120772

10A-47
ENGINE AND CYLINDER BLOCK ASSEMBLY
Oil pressure sensor: Removal - Refitting
D4F, and 780 or 782
10A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aRemove the air filter unit (see 12A, Fuel mixture,
Air filter unit: Removal - Refitting, page 12A-13) .
aUnclip the upstream oxygen sensor wiring harness
from the turbocharger heat shield.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aDisconnect the oil pressure sensor connector (1) .
aRemove the oil pressure sensor (2) .
REFITTING
REFITTING OPERATION FOR PART CONCERNED
aRefit the oil pressure sensor.
aTorque tighten the oil pressure sensor (35 N.m).
aConnect the oil pressure sensor connector.
aClip the upstream oxygen sensor wiring harness
onto the turbocharger heat shield.aRefit the air filter unit (see 12A, Fuel mixture, Air fil-
ter unit: Removal - Refitting, page 12A-13) .
Tightening torquesm
oil pressure sensor35 N.m
121725

10A-48
ENGINE AND CYLINDER BLOCK ASSEMBLY
Oil pressure sensor: Removal - Refitting
K4M
10A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aRemove:
-the dipstick,
-the dipstick guide bolts (1) .
aMove aside the dipstick guide.aRemove:
-the alternator strut bolts (2) ,
-the alternator strut.
aDisconnect the pinking sensor connector (3) . Tightening torquesm
oil pressure sensor32 N.m
alter nator strut bolts25 N.m
132368
132363
132374