2000 RENAULT SCENIC coolant

Downloaded from www.Manualslib.com manuals search engine Contents
Page
07
10
11
12
VALUES AND SETTINGS
Capacities - Grades 07-1
Accessories belt tension 07-2
Checking the accessories belt tension 07-3
Tightening the cylinder head 07-5
Tyres and wheels 07-6
Brakes 07-7
Brake compensator 07-8
Underbody height 07-9
Front axle angle checking values 07-11
Rear axle angle checking values 07-13
ENGINE AND PERIPHERALS
Identification 10-1
Oil pressure 10-2
Engine and transmission assembly 10-3
Sump 10-8
TOP AND FRONT OF ENGINE
Timing belt 11-1
Cylinder head gasket 11-6
FUEL MIXTURE
Air inlet 12-1
TURBOCHARGING
Pressure regulating valve 12-2
Pressure adjustment 12-3
Turbocharger 12-4
Air-air exchanger 12-7
Manifolds 12-9
Priming catalytic converter 12-12Page
13
14
DIESEL EQUIPMENT
Technical specifications 13-1
Special features 13-3
Cleanliness 13-6
Location of components 13-9
Injection warning light 13-12
Immobiliser function 13-13
Injection programming/ air conditioning 13-14
Idle speed correction13-16
Pre-postheating control 13-17
Heater plugs 13-18
Thermoplunger 13-19
Low pressure pump (supercharging
pump)13-21
Fuel filter 13-22
High pressure pump 13-23
Injector gallery 13-27
Injectors 13-32
Checking diesel pressure and flow 13-37
Pressure sensor 13-38
Pressure regulator 13-39
Accelerator potentiometer 13-40
Centralised coolant temperature
management 13-41
Computer 13-42
ANTIPOLLUTION
Oil vapour rebreathing 14-1
Exhaust gas recirculation 14-2

Downloaded from www.Manualslib.com manuals search engine VALUES AND SETTINGS
Capacities - Grades
07
107
VALUES AND SETTINGS
Capacities - Grades
* Adjust using the dipstick
(1) After replacing the oil filterComponentsCapacity in
litres
(approx.)*Grade
Diesel engine
(oil)
F9QIn case of oil
change
4,5
4,6 (1)European Union countries
Under no circumstances should ACEA B1 oils be used for diesel
engines
Other countries
ComponentsCapacity
in litresGrade Special notes
Gearbox
JC5 3.1All countries: TRANSELF TRX 75 W 80 W
(Standards API GL5 or MIL-L 2105 G or D)
Coolant
circuit
F9Q 7.5Glacéol RX
(type D)Protection to - 20 ˚C ± 2˚C for warm, moderate and cold
climates.
Protection to - 37˚C ± 2˚C for very cold climates.
07-1

Downloaded from www.Manualslib.com manuals search engine TURBOCHARGING
Pressure regulating valve
12
12-2
TURBOCHARGING
Pressure regulating valve
The LDA (A) of the pressure regulation valve is controlled by a solenoid valve (B) which is controlled by the injection
computer. This solenoid valve varies the underpressure as a function of the engine operating ranges, which allows
the turbocharging pressure to be regulated.
The pressure regulation valve is open in rest position. The engine operates as normally aspirated.
The solenoid valve, closed in rest position, is supplied after starting the engine, after a delay dependent on the coolant
temperature.
Delay (s)
Temperature (˚C)

Downloaded from www.Manualslib.com manuals search engine DIESEL EQUIPMENT
Location of components
13
13-9
Location of components
1
2
3
4
5
6
7
8
9
10
11
12
13
14Injection computer
Cylinder marking sensor
Solenoid injector
Rail pressure sensor
Flow meter with air temperature sensor
EGR valve
Turbocharger pressure sensor
Preheating unit
Turbocharging pressure regulator (solenoid)
Accelerator pedal potentiometer
Engine speed sensor and coolant temperature sensor
Fuel pressure regulator
Fuel temperature sensor (depending on version)
High pressure pump

Downloaded from www.Manualslib.com manuals search engine DIESEL EQUIPMENT
Injection/air conditioning programming
13
13-15
COMPRESSOR OPERATION PROGRAMMING
During certain stages of operation, the diesel injection computer stops the compressor from functioning.
Engine start programming
The compressor is prevented from operating for 5 seconds after the engine has started.
Recovery of performance
When the position of the accelerator pedal is changed significantly and if the engine speed is less than 3000 rpm,
the compressor is prevented from operation for 5 seconds.
Recovery of output when the vehicle starts moving
If the position of the potentiometer is more than 50 % the engine speed is less than 2250 rpm and the vehicle speed
is below 20 km/h, the compressor is cut for 5 seconds.
Anti-stall protection
If the no load position is not detected, and the engine speed is less than 675 rpm. the compressor is disengaged. It
is engaged again after 5 seconds if the engine speed is increased.
Thermal protection programming
The compressor does not engage in cases where the coolant temperature is greater than + 112 °C.

Downloaded from www.Manualslib.com manuals search engine DIESEL EQUIPMENT
Idle speed correction
13
13-16
Idle speed correction
IDLING SPEED CORRECTION ACCORDING TO COOLANT TEMPERATURE
CORRECTION OF THE IDLING SPEED WHEN THE POTENTIOMETER IS FAULTY
If the accelerator pedal potentiometer is faulty, idling speed is held at 1200 rpm.
If the information from the accelerator pedal position potentiometer and the brake switch information does not
correspond, the speed is changed to 1250 rpm.
CORRECTION OF THE IDLING SPEED ACCORDING TO THE GEAR RATIOS
The running idling speed is modified according to the gear engaged in the gearbox:
– in 1
st, 2nd and 3rd gears the speed is 835 rpm.,
– for other gears the speed is 925 rpm.

Downloaded from www.Manualslib.com manuals search engine DIESEL EQUIPMENT
Pre-postheating control
13
13-17
Pre-postheating control
The pre-postheating function is controlled by the preheating unit.
OPERATING PRINCIPLE FOR PRE-POST HEATING
1) "Preheating" on ignition
a) Variable preheating
The warning light lighting time and the
supply to heater plugs time depends on the
coolant temperature and the battery
voltage.
In all cases the injection warning light
lighting time cannot exceed 15 seconds.
b) Fixed preheating
After the warning light goes out the plugs
remain supplied for a fixed period of
10 seconds.2) Starting
The plugs remain supplied while the starter is
being activated.
3) "Postheating" while the engine is running
During this phase the plugs are supplied
continuously according to coolant temperature.
time (s)
Coolant
temperature °C For idling speed without
depression of the accelerator
pedal.

Downloaded from www.Manualslib.com manuals search engine DIESEL EQUIPMENT
Thermal plunger
13
13-19
Thermal plunger
The three thermal plungers are located on a water unit
fixed under the manifold at the engine - gearbox joint.
The objective of the system is to reheat the coolant.
The thermal plungers are supplied with 12 volts by
two relays. One relay controls two thermal plungers,
and the other relay controls one thermal plunger. This
enables control of one, two or three thermal plungers
as required.
The resistance of the thermal plungers is:
0.45 ± 0.05 Ω at 20˚C. Control strategy
When the thermal plungers are operating the idling
speed is brought to 900 rpm.
Thermal plungers cannot operate in the case of:
– preheating,
– post heating,
– heated windscreen selected,
– engine speed below 700 rpm.,
If the conditions mentioned above apply, the thermal
plungers are controlled according to a characteristics
map linked to the air and coolant temperature.
Unshaded zone: Thermal plunger not supplied
Shaded zone: Thermal plunger supplied