Technical specifications — general information The six-cylinder petrol engine with a V-shaped cylinder arrangement at an angle of 90°is mounted transversely at the front of the car. The gas distribution mechanism consists of 2 camshafts installed above each row of...
Z7X six-cylinder petrol engines — technical data Engine displacement, cm 3 - 2963 Cylinder diameter, mm - 93 Piston stroke, mm - 72.7 Compression ratio - 9.6 + 04 Maximum power: CEE (kW at min -1 ) — 123 at 5000 DIN (hp at min -1 ) — 170 at 5000 Maximum torque: CEE...
Z7X six-cylinder gasoline engines — general information The engine was developed jointly by Renault, Peugeot and Volvo. The engine is configured according to the classical design, in which the intake manifolds are located on the inside of the cylinder heads, and the exhaust...
Valve clearances and hydraulic lifters Valve clearances Due to the use of hydraulic pushers (valve clearance compensators) no need to check or adjust valve clearances. Hydraulic tappets Hydraulic pushers are located at the end of the rocker arms and transmit...
Ignition system The static ignition system increases the amount of energy supplied to the spark plugs by eliminating the intermediate elements between the transformer, which are three double-winding ignition coils and spark plugs....
Multipoint fuel injection system Features of the system include: 55-channel injection system control unit; static ignition system; injection blocking relay, used only to power the relay of the engine overheating protection device; monitoring the...
Idle air control valve The idle air control valve is a conventionally wound solenoid valve designed to regulate additional air supply to the throttle assembly to maintain the engine speed at the level specified for all idle conditions. If...
Replacing the balance shaft drive chain on the front cylinder head Pic. 2.4. Balance shaft: 1 - bolt; 2 - stars; 3 - balancers; 4 - support; 5 - balancing shaft; 6 - keys; 7 - chain tension mechanism; 8 - chain tensioner; 9 - rocker arm axle mounting bolt Removal Disconnect the cable...
Intake manifold Removal Disconnect the cable from the negative terminal of the battery. Remove the 4 screws and remove the top cover of the engine protective casing. Remove the plastic wiring harness holder on the engine lifting eye....
Front cylinder head exhaust manifold Pic. 2.6. Absolute Pressure Sensor Tube Location Removal Disconnect the cable from the negative terminal of the battery. Loosen the clamp securing the exhaust pipe (pic. 2.7). Pic. 2.7. Fastening the exhaust pipe: 1 -...
Rear cylinder head exhaust manifold Removal Disconnect the cable from the negative terminal of the battery. Loosen the clamp securing the exhaust pipe ( Fig 2.7 ). Unscrew the nuts securing the exhaust pipe to the manifolds of the front and rear cylinder...
Front cylinder head On an engine installed in a car. Only the front cylinder head can be removed. In this case, it is necessary to keep the camshaft drive chains taut. If for any reason the chain tension is loose, the timing cover must be...
Rear cylinder head To remove the rear cylinder head, you must first remove the engine and gearbox from the vehicle. Removal and installation of the rear cylinder head is carried out in the same way as the front head, taking into account...
Cylinder head repair Pic. 2.28. Using a Valve Spring Compressor Pic. 2.29. Using a special tool to install the oil seal Pic. 2.30. Details of the valve installed in the cylinder head: 1 - spring seat; 2 - oil deflector cap; 3 - spring; 4 -...
Alternator drive belt Removal Place the vehicle on a two-post lift and disconnect the cable from the negative terminal of the battery. Remove: - right front wheel. - mudguard. - protective shields under the engine Loosen two bolts (A. rice 2...
Water pump/A/C compressor drive belt Removal Remove the generator drive belt. Loosen: - adjusting bolt ( E. fig. 2.31 ) Water pump/air conditioning compressor drive belt; - the locking nut of the adjusting bolt and unscrew it as much as possible; - 2 bolts...
Belt tension of the auxiliary equipment drive Cold (ambient temperature) Install a new accessory drive belt. Install the device sensor Mot. 1273 in the center of the longest branch of the belt (pic. 2.32. 2.33, 2.34). Pic. 2.32. Location on engine accessory drive...
Throttle assembly Pic. 2.35. Bolt Location (1) throttle body mounting Removal Disconnect the cable from the negative terminal of the battery. Remove the 4 screws and remove the top cover of the engine protective casing. Disconnect the...
Fuel distribution line Pic. 2.36. Fuel distribution line: 1 - fuel supply hose with a green mark; 2 - return fuel hose with a red mark; 3 - front fuel distribution line (cylinders 1-2-3); 4 - rear fuel distribution line (cylinders 4 - 5 - 6);...
Inertial shock sensor Pic. 2.37. Location of the inertial shock sensor in the engine compartment In the event of a collision, the inertial impact sensor cuts off the power supply to the fuel pump. To turn the power back on, simply press the...
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 See the corresponding description...
Checking fuel pressure Unscrew the 4 screws and remove the top cover of the engine protective casing. Remove the pressure pulsation damper and. using the damper O-ring. install tool Mot. 1311 in its place. From the set Mot. 1311 connect the...
Checking fuel pump performance The performance of the fuel pump can be checked after disconnecting the fuel pipe on the right side member. Disconnect the red fuel return line quick connect. Connect a semi-rigid tube with a diameter of 8 mm to the...
Removal and installation of Z7X engine with AD8 gearbox Removal Removal and installation are carried out on a two- or four-post lift without removing the sub-frame When removing the power unit, the following special tools must be used: - centering fork of the pendulum...
Engine repair Pic. 2.50. Cylinder block: 1 - cylinder block; 2 - rear cover of the cylinder block; 3 - rear crankshaft oil seal; 4 - main bearing cover; 5 - threaded plug for draining the cooling liquid; 6 - centering sleeve; 7 -...
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). Oil pressure values for Z engines: -...
Oil pump Note. Removing the oil pump can only be done with the engine removed from the vehicle. since it is necessary to first remove the timing cover. Removal Remove the engine and transmission from the car. Drain the engine...
Oil pump repair Remove the oil pump. Remove the pin and remove the pressure reducing valve plug, spring and plunger. Check the gears and oil pump socket in the cylinder block for wear and damage. If any part of the oil pump is worn,...
Coolant replacement Coolant drain Apart from replacing the coolant at prescribed intervals, maintenance is limited to checking the coolant level in the expansion tank. Remove the plug from the expansion tank. Place a suitable container...
Set of cooling system elements including radiator Removal Removing the cooling system kit and radiator for the Z7X engine is similar to the procedure for the F3R engine, except for the following differences: The thermal switch is located on the right side of the...
Water pump Removing the water pump requires removing the power unit. When installing, replace the rubber gaskets of the various tubes and install very carefully, as the gaskets are very fragile. Removal Place the car on a lift....
Exhaust system — general information The exhaust system ensures the removal of exhaust gases into the atmosphere. reducing the concentration of pollutants, reducing engine noise to the required level with minimal loss of engine power In order for the...