Vehicle cooling and lubrication system Renault Fluence 1

Draining engine oil
Place the car on a lift. Remove: plug (1) of the engine oil filler neck; oil dipstick (2); protective screen. Place a container under the engine to collect the oil. Remove: drain plug of the engine oil pan (3); engine...

Refilling engine oil
Fill with engine oil (see table in section " Operation and maintenance of the vehicle "). Check the engine oil level using the dipstick. Top up the oil level if necessary. Install the engine oil filler cap and dipstick.

Checking oil pressure
Place the car on a lift. Remove the engine oil pan guard. Disconnect the oil pressure sensor connector. The type of tips used in measuring oil pressure are shown in the figure. H4J, K4M: (G) + (C) + (F). M4R: Oil...

Replacing the oil pressure sensor
Place the vehicle on a lift. Remove the engine oil pan guard. M4R Engine Move aside the cooling system hose (1) between the multi-function bracket and the water-oil cooler. Disconnect the wiring connector from the oil...

General information and precautions when repairing the cooling system
Since cooling systems are designed to operate under pressure, beware of severe burns from escaping fluid. Never remove the expansion tank cap while the engine is hot. When working in the engine compartment, also beware...

Checking the safety valve in the expansion tank cap
Attach the cooling system tester and expansion tank cap valve to the device. Kit includes 554-01, 554-04, 554-06 (Ms. 554-07) and an adapter (Ms. 554-06). Screw the expansion tank cap onto the adapter (Ms. 554-06)....

Checking the tightness of the cooling system
Replace the expansion tank cap with an adapter (Ms. 554-01). Connect to the adapter (Ms. 554-01) cooling system tester and expansion tank cap valve. Run the pump of the tester to create pressure in the cooling system....

Draining and filling the cooling system
When performing work that requires completely draining the cooling system, be sure to flush the system with clean water, blow it with compressed air to remove any remaining water, fill the system with coolant, remove...

Removal the cooling system radiator
Place the car on a lift. Disconnect the battery. Remove: top engine cover; engine sump guard mounting bolts; engine oil pan protection; front wheels; the front part of the front fender liner; front bumper. Drain the...

Replacing the thermostat
Note: The M4R engine has a dual-circuit cooling system with two thermostats: one on the water pump and one in the water box. Removal the thermostat from the water pump Place the vehicle on a lift. Remove the engine oil...

Removal the coolant temperature sensor
Disconnect the wiring harness (1) from the coolant temperature sensor. Remove: coolant pressure sensor with 19mm "wrencher" type head (2); coolant temperature sensor gasket. Replace the coolant temperature sensor...

Removal the expansion tank
Remove the expansion tank cap. Install the pipe pliers (Ms. 583) onto the degassing hose (1) of the expansion tank. Using the remote-grip pliers for elastic clamps (Mot. 1448), remove the fastening clamp (2) of the...

Removal the gearbox oil cooler
Place the car on a lift. Remove: engine oil pan protection, left front wheel; left front fender liner; battery; shelf for the battery. Disconnect the main connector (1) from the automatic transmission. Install the hose...

Removal the water-oil cooler
Install the car lift. Remove the engine oil pan protection. Drain the oil from the engine. Remove the oil filter. Install the pipe pliers (Ms. 583) onto the oil-water cooler hoses (1). Disconnect the cooling system hose...

Removal the electric fan of the engine cooling system
Install the car on a lift. Disconnect the battery. Remove: engine sump guard mounting bolts; protective screen. Disconnect the engine cooling system hoses from the electric fan at point (1). Move the engine cooling...

Removal the water pump inlet pipe
Drain the fluid from the engine cooling system. Remove: the generator bracket mounting nut (1) from the cylinder block; generator bracket mounting bolt (2) from the generator; generator mounting bracket; washer...

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Other sections on other Renault models

➽ Power unit: Cooling system Renault Laguna 2 (2001-2007)
➽ Power unit: Cooling system Renault Logan 2 (2012-2020)
➽ Power unit: Cooling system Renault Symbol 2 (2008-2013, petrol)
➽ Power unit: Cooling system Renault Duster 1 (2009-2017)
➽ Power unit: Cooling system Renault Espace I and II (1984-1996)
➽ Power unit: Cooling system Renault Sandero 1 (2007-2012, petrol)

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