F3R petrol engines — general information The four-cylinder petrol engine is mounted transversely at the front of the car, angled towards the rear of the car. The cylinder block is made of cast iron. There are 8 valves installed in the aluminum alloy cylinder...
Technical data Engine type - F3R 728/768 Engine displacement, cm 3 - 1998 Cylinder diameter, mm - 82.7 Piston stroke, mm - 93 Compression ratio - 9.8-1 Maximum power: CEE (kW at min -1 ) - 83.5 at 5400 DIN (hp at min -1 ) — 115 at...
Siemens Fenix 5 multi-point fuel injection system — general information General information F3R engines are equipped with a sequential fuel injection system. Features of the system include: 55-channel injection system control unit SIEMENS FENIX 5; sequential fuel injection; static ignition...
Engine repair Attention. Replacing the timing belt and attachments is carried out on the engine installed in the car. Removing the cylinder head requires first removing the engine. The engine and gearbox are removed downwards from...
Siemens Fenix 5 multi-point fuel injection system The multi-point fuel injection system opens each injector with the opening of the corresponding intake valve and is controlled by a programmed digital engine control unit, which simultaneously controls the ignition...
Idle speed correction Collaboration between the power steering pressure switch and the injection system control unit The injection system control unit receives information from the power steering pressure switch, which depends on the...
Engine control Sensors The engine management system uses two types of sensors called «active» or «passive» which differ in their internal functioning caused by their design. Active sensors operate autonomously and do not require...
Diagnostic tests The diagnostic tests below apply only to vehicles equipped with a Siemens Fenix 5 injection system. The electrical characteristics of the injection system elements are given below and can be measured using a digital...
Using the Tronic 105.6 to check belt tension Attention Tensioning the drive belt is an important operation, since it determines the service life of the belt. Using the Tronic 105.6 frequency meter allows you to set the tension level in accordance with the...
Throttle assembly Removal Pic. 1.31. Removing the throttle assembly: 4 - accelerator cable; 5 - oil vapor removal pipe; 6 - two heating hoses for the throttle assembly; Mot. 453-01 - clamps Disconnect the cable from the negative terminal...
Intake and exhaust manifolds Notes: Replacing the manifold gasket with a new one requires removing both manifolds. Removal is carried out from the underside of the car. Only one exhaust manifold can be removed, but the intake manifold cannot be...
Fuel injectors Pic. 1.35. Fuel burner: 1 - electrical connector; 2 - sealing ring; 3 - retaining ring securing the upper sealing ring; 4 - mesh filter; 5 - metal body; 6 - solenoid coil F3R engines are equipped with fuel injectors of...
Fuel distribution line Removal Disconnect the cable from the negative terminal of the battery. Disconnect the connector from the air temperature, pressure, throttle position potentiometer and camshaft position sensors (pic. 1.36). Pic. 1.36....
Fuel pump Removal Removing the pump-level sensor assembly requires removing the fuel tank. Place the car on a lift. Disconnect the cable from the negative terminal of the battery. Attention Gasoline is extremely flammable,...
Fuel filter The fuel filter is located under the bottom of the car, behind the fuel tank and attached to the side member with a clamp. The fuel filter must be changed every 60,000 km of the vehicle. Replacement Before removing the...
Fuel tank Removal Disconnect the electrical connector (3, fig. 1.39) from the fuel level sensor and pliers Mot. 1265 disconnect return tubes (4) and submission (5) Fuel Pliers Mot. 1265 disconnect the quick connector of the...
Checking fuel pressure and fuel pump performance Disconnect the fuel supply pipe from the side member. In the rupture of the fuel supply pipe from the Mot. 1311-01 install a tee valve with a pressure gauge having a measuring limit of 10 bar (pic. 1.40) Pic. 1.40....
Checking the fuel pump safety valve Turn on the fuel pump and briefly close the fuel return line with the 2-position valve. The pressure should stabilize at between 4.5 and 7.5 bar.
Cylinder head repair Disassembly Attention. When disassembling the cylinder head, make sure that all parts can subsequently be installed in their original places. Remove the cylinder head. Remove the throttle assembly. Remove the intake and...
Removal and installation of F3R engine with JC5 gearbox Removal Removal and installation of the power unit is carried out on a two- or four-post lift without removing: front subframe; bumpers; front body panel; set of cooling system elements. Place the vehicle on a two-post...
Pendulum engine mount Pic. 1.62. Pendulum engine mount. 1 - elastic cushion of the front left pendulum suspension; 2 - pendulum suspension bracket on the gearbox; 3 - pendulum suspension bracket on the cylinder head; 4 - travel limiter of...
Engine repair — disassembly, inspection and assembly High mileage is not a sufficient indicator of the need for major repairs; on the other hand, low mileage does not exclude the need for major repairs. The most important indicator, apparently, is the timeliness of...
Lubrication system — general information Pic. 1.79. Lubrication system elements: A-engine F3R 728; B - F3R 768 engine; 1 - intermediate shaft pulley; 2 - cover; 3 - gasket; 4 - intermediate shaft; 5 - driven gear; 6 - oil pump; 7 - oil pump bracket; 8 - oil...
Oil pump Removal Disconnect the cable from the negative terminal of the battery. Raise the front of the car. Place a pan under the engine to collect engine oil. Drain the engine oil. Use a lifting mechanism to lift the engine so...
Cooling System — Checking Oil Pressure Checking the oil pressure should be carried out on a warm engine (~80°С). Connect a pressure gauge instead of the oil pressure sensor (To remove the sensor, use a 22 mm high socket). Start the engine and measure the oil...
Cooling liquid Aluminum radiators require the use of appropriate coolant. The coolant GLACEOL type D, offered by the Renault network, meets the technical requirements of the Research Center, in particular: neutrality when interacting...
Coolant drain Pic. 1.86. F3R engine cooling system diagram: 1 - right interior heating radiator; 2 - left interior heating radiator; 3 - expansion tank; 4 - water pump; 5 - engine radiator; 6 - throttle body heating system; 7 -...
Filling the cooling system and removing air There is no radiator for the interior heating system in the faucet cooling system. The coolant is constantly circulated through the radiators of the heating system, which thus participate in cooling the engine. Filling...
Checking the tightness of the cooling system Remove the expansion tank cap. Instead of the expansion tank cap, install adapter MS 554-01. Connect the device MS 554-07 to it. Warm up the engine and turn it off. Use the pump of the device to create pressure in the...
Checking the opening of the safety valve Place the MS 554-06 adapter on the MS 554-07 pump and connect it to the cover being tested. Create a pressure that should stabilize at the opening value of the safety valve, while the verification error should not be...
Water pump Pic. 1.89. Location of water pump mounting bolts Removal Disconnect the cable from the negative terminal of the battery Disconnect the hose from the lower radiator reservoir, remove the screw plug from the cylinder...
Replacing the water pump drive belt Note. To adjust the tension of the water pump drive belt, you must use the Tronic 105.6 device. Removal Place the car on a lift and lift the front wheels. Disconnect the cable from the negative terminal of the battery....
Radiator for gasoline engines Cars are equipped with radiators with aluminum cooling plates. Do not clean these parts or flush the cooling system with caustic soda solution or alkaline compounds, as corrosion of light-alloy elements may occur and...
Set of cooling system elements including radiator Place the vehicle on a two-post lift equipped with wheel chocks Disconnect the wires from the battery terminals and remove the battery Use the charging station to discharge the refrigerant from the air conditioning...
Interior heater radiator hose fittings Heating radiator hose connectors are made as quick-release couplings (pic. 1.95). Pic. 1.95. Interior heater radiator hose fittings: 1 - pin fitting of the heating radiator hose; 2 - body of the socket fitting; 3 -...
Exhaust gas exhaust system Hairpins (1, fig. 1.98) The exhaust pipes of vehicles with F3R engines have stops that determine the tension of the springs, so they should be tightened until they stop. Pic. 1.98. Connection of the exhaust pipe of...