Gasoline engines EW10 car Peugeot 307

General information about EW10J4 gasoline engines
The cars are equipped with four-cylinder in-line petrol engines EW10J4 with two camshafts. The camshafts installed in the cylinder head are driven by a toothed belt from the crankshaft pulley. A distinctive feature of...

Engine technical data and tightening torques
Technical data Tightening torques, Nm Spark plugs 25 Wheel mounting bolts 90 Camshaft bearing cap housing: - preliminary tightening 5 - final tightening 10 Cylinder head cover: - preliminary tightening 5 - final...

Removal and installation the engine
Recommendations for engine removal Please read this section carefully before you begin. If the engine is removed for repair, it is necessary to select a location for the work, provide space for servicing and storing...

Disassembling the engine
Remove the power unit from the vehicle as described previously. Remove the bolts and separate the gearbox from the engine. On the left rear side of the engine, loosen the coolant hose clamp and remove the hose. Remove...

Checking the crankshaft
Check the crankshaft journals for roughness. Any noticeable roughness indicates the need for regrinding or replacement of the crankshaft. If the crankshaft has been reground, check for burrs around the oil holes. Remove...

Checking the pistons
After removing the deposits, clean the piston and connecting rod with a suitable solvent and wipe dry. Carefully inspect each piston for cracks around the skirt and piston pin holes. Check for wear on the piston skirt,...

Engine assembly
Install the main bearings with grooves on the cylinder block side. Lubricate the working surface of the main bearings with a thin layer of engine oil. Install the crankshaft onto the cylinder block. Install the thrust...

Cylinder head — removal and installation
Remove the cylinder head on a cold engine. Caution! Replace any clamps or clips that are damaged or cut during removal with new ones when installing the cylinder head. When replacing the cylinder head, fill the cooling...

Accessory drive belt
Removal Remove the right front wheel. Remove the engine splash shield. Figure 3.84. Location of the accessory drive belt on the EW10J4 engine with power steering: 1 - special device; 2 - dynamic belt tensioner; 3 -...

Timing belt — removal and installation
Removal Disconnect the cable from the negative terminal of the battery. Remove the right mudguard. Caution: Use chalk, marker, or paint to mark the direction of rotation of the timing belt. If the timing belt rotates in...

Lubrication system — design description
Automobiles use a pressure lubrication system for the engine. Oil from the oil pan is fed under pressure through a mesh filter and a fine filter by an oil pump. The bypass valve in the oil pump maintains the required...

Changing and checking engine oil
Changing engine oil Periodic oil and oil filter changes are the most important preventative maintenance procedure. During operation, engine oil ages—it becomes liquid and contaminated, which leads to premature engine...

Checking engine oil pressure
To check the pressure, you need to use a pressure gauge with a hose and fitting and a special device 1503-H, connected instead of the oil filter. Remove the lower engine compartment protection. Place a collecting pan...

Cooling system — design description
Figure 3.92. Cooling system: 1 - expansion tank; 2 - cylinder head; 3 - Coolant inlet manifold/water pump; 4 - air bleed hole plug; 5 - heater radiator; 6 - coolant outlet block; 7 - thermostat; 8 - radiator The cooling...

Replacing the coolant
It is necessary to replace the coolant after performing any work on the cooling system components that involves draining the coolant. If the cylinder head, head gaskets, radiator or oil heat exchanger were replaced...

Water pump — removal and installation
Removal Disconnect the ground cable from the battery. Drain the coolant. Remove the timing belt. Figure 3.94. Location of the pipe (2), water pump mounting bolts (1) and water pump cover (3) Remove bolts 1 (figure 3.94)...

Power supply system — design description
The engine fuel system consists of a tract for supplying and cleaning air to the engine cylinders, a fuel tank, fuel lines, a fuel filter, a fuel pump and a fuel injection system. The fuel tank is ventilated through a...

Exhaust gas system
The exhaust system is used to remove exhaust gases into the atmosphere, preventing even minimal amounts of them from entering the vehicle's interior and reducing engine noise. Figure 3.95. Exhaust system: 1 - oxygen...

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