oil pressure RENAULT ESPACE 2000 J66 / 3.G Technical Note 3426A Workshop Manual

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Page
07
10
11
12
16
VALUES AND SETTINGS
Capacities - Grades 07-1
Tightening the cylinder head 07-2
ENGINE AND PERIPHERALS
Identification 10-1
Oil pressure 10-2
Engine and transmission assembly 10-3
TOP AND FRONT OF ENGINE
Accessories belt 11-1
Timing belt 11-2
Cylinder head gasket 11-8
TURBOCHARGING - FUEL
MIXTURE
Turbocharger 12-1
Air inlet 12-3
Exhaust manifold 12-7
Inlet manifold 12-8
STARTING - CHARGING
Alternator 16-1
Starter 16-4Page
19
21
61
62
COOLING SYSTEM
Filling - bleeding 19-1
Diagram 19-2
Coolant pump 19-3
Suspended mountings 19-4
Cooling system 19-5
MANUAL GEARBOX
Identification 21-1
Gears 21-2
Lubricants 21-3
Remove and refit 21-4
HEATING
Additional heating 61-1
AIR CONDITIONING
Air conditioning compressor 62-1

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Oil pressure
10
10-2
Oil pressure
CHECKING
The oil pressure should be checked when the engine
is warm (approximately 80°C).
USE
Connect the pressure gauge in place of the oil
pressure switch.
Oil pressure
1 000 rpm 1.2 bar
3 000 rpm 3.5 bars SPECIAL TOOLING REQUIRED
Mot. 836-05 Boxed kit for measuring oil
pressure
ESSENTIAL SPECIAL TOOLING
22 mm long socket

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Turbocharger
12
112TURBOCHARGING
Turbocharger
THE TURBOCHARGING PRESSURE ON THE
TURBOCHARGER FITTED ON THE G9T 710
ENGINE IS NOT ADJUSTABLE.
In operation, the pressure should stabilise at
210 ± 3.5 mbar.
REMOVAL
Removal or refitting of the turbocharger requires the
removal of the engine and transmission assembly.TIGHTENING TORQUES (in daN.m)
Turbocharger mounting nuts 2.6
Oil inlet union bolt 2
Oil return union bolt 0.9
Turbo mounting nut on the intermediate
exhaust downpipe 2.6
12-1

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Turbocharger
12
12-2
IMPORTANT: Never attempt to remove the
turbocharger with the engine in place; you will not be
able to follow the recommendations for refitting the oil
supply pipe (1) and the constraints created by blind
tightening the connection (3) will lead to the pipe (1)
rupturing in service.
Fit:
–the pipe (1) to the turbocharger by tightening the
union (3) by hand,
–the turbocharger, by holding the union (4) and
tightening it manually. Tighten the turbocharger
mountings on the manifold to a torque of 2.7 daN.m.
Tighten the unions (4), then (3).
IMPORTANT: It is essential to change the special seal
at the turbocharger oil inlet union (3).
Before running the engine, disconnect the pressure
rail sensor connector (5).
Then run the starter motor until the oil pressure
warning light goes out (persist for a few seconds).
Reconnect the sensor, preheat and start the engine.Run the engine at idling speed and check that there
are no leaks at the oil connections.
Using the fault finding tool, erase the fault as a result
of the sensor being disconnected.
Special precautions
●Ensure that no foreign bodies enter the turbine or
compressor during the refitting operation.
●If there has been a fault in the turbocharger, check
that the air-air exchanger is not full of oil.
If the air-air exchanger is full of oil, it must be
removed, flushed with a cleaning agent and then
left to drain properly.
●Check that the turbocharger oil return pipe is not
partially or completely blocked by scale. Check
also that it is perfectly tight. If not, replace it.