FZ car engine repair Audi 80 B2
Design and technical characteristics. General information
The four-stroke, four-cylinder, in-line, gasoline engine is installed along the longitudinal axis of the vehicle. The cooling system is liquid. The engine uses...
The four-stroke, four-cylinder, in-line, gasoline engine is installed along the longitudinal axis of the vehicle. The cooling system is liquid. The engine uses...
Cylinder head specifications
The cylinder head is cast from aluminum alloy. The valve seats and guides are pressed into the cylinder head. The cylinder head gasket is installed with the...
The cylinder head is cast from aluminum alloy. The valve seats and guides are pressed into the cylinder head. The cylinder head gasket is installed with the...
Technical characteristics of the cylinder block
The cylinder block is sleeveless and made of cast iron. The lower part of the cylinder block has five supports for the crankshaft main bearing shells. The main...
The cylinder block is sleeveless and made of cast iron. The lower part of the cylinder block has five supports for the crankshaft main bearing shells. The main...
Technical characteristics of the crank mechanism
Crankshaft The crankshaft is steel, forged, five-bearing, with four counterweights. There are lubrication grooves in the upper shells of the main bearings....
Crankshaft The crankshaft is steel, forged, five-bearing, with four counterweights. There are lubrication grooves in the upper shells of the main bearings....
Technical characteristics of the valve timing mechanism
The engine uses a valve timing mechanism with an overhead camshaft, the drive of which is carried out by a toothed belt from a toothed pulley of the...
The engine uses a valve timing mechanism with an overhead camshaft, the drive of which is carried out by a toothed belt from a toothed pulley of the...
Technical characteristics of the lubrication system
The lubrication system operates under pressure. Under the action of vacuum, oil is pumped from the engine oil sump through the mesh filter of the oil receiver...
The lubrication system operates under pressure. Under the action of vacuum, oil is pumped from the engine oil sump through the mesh filter of the oil receiver...
Technical characteristics of the cooling system
The engine uses a liquid cooling system with forced circulation. The cooling system includes a water jacket of the engine, a radiator, an expansion tank, a...
The engine uses a liquid cooling system with forced circulation. The cooling system includes a water jacket of the engine, a radiator, an expansion tank, a...
Technical characteristics of the power supply system
Fuel tank The fuel tank is stamped from sheet steel and installed under the body bottom in front of the rear axle. Fuel tank capacity, l: 68. Fuel pump The...
Fuel tank The fuel tank is stamped from sheet steel and installed under the body bottom in front of the rear axle. Fuel tank capacity, l: 68. Fuel pump The...
Technical characteristics of the contact ignition system (used before the 1981 model year)
The ignition system is battery-powered, contact-type, with a nominal voltage of 12 V. It consists of an ignition distributor, ignition coil, spark plugs and...
The ignition system is battery-powered, contact-type, with a nominal voltage of 12 V. It consists of an ignition distributor, ignition coil, spark plugs and...
Power supply system
Fuel pump The fuel pump is secured with two bolts through a sealing ring. The fuel pump is non-disassemblable and in case of failure, the pump must be...
Fuel pump The fuel pump is secured with two bolts through a sealing ring. The fuel pump is non-disassemblable and in case of failure, the pump must be...
The principle of operation of the Solex 35 PDSIT carburetor
Main dosing system (see diagram) Main dosing system diagram: (1) - fuel intake; (2) - main air supply; (3) - air supply for pressure compensation; 33 - main...
Main dosing system (see diagram) Main dosing system diagram: (1) - fuel intake; (2) - main air supply; (3) - air supply for pressure compensation; 33 - main...
Adjustment and check of carburetor Solex 35 PDSIT
Idle speed adjustment Adjust the idle speed on a warm engine, with the valve drive mechanism clearances adjusted, with the ignition timing set correctly, and...
Idle speed adjustment Adjust the idle speed on a warm engine, with the valve drive mechanism clearances adjusted, with the ignition timing set correctly, and...
Adjustment and check of carburetor Solex 1B1
The design features and calibration data of the carburetor are given in the subsection " Design and technical characteristics ". Adjusting the fuel level in...
The design features and calibration data of the carburetor are given in the subsection " Design and technical characteristics ". Adjusting the fuel level in...
Removal and installation of the distributor of the contact ignition system
Removal Disconnect the wires from the distributor cap and remove the cap. Loosen the flange mounting bolt and remove the ignition distributor. To install the...
Removal Disconnect the wires from the distributor cap and remove the cap. Loosen the flange mounting bolt and remove the ignition distributor. To install the...
Adjusting the gap between the contacts of the ignition system breaker
Disconnect the spark plug wires from the distributor cap, remove the cover and distributor rotor. Check the condition and replace the breaker contacts if...
Disconnect the spark plug wires from the distributor cap, remove the cover and distributor rotor. Check the condition and replace the breaker contacts if...
Adjusting the angle of the ignition system breaker cam
Adjustment is made using the appropriate device. Connect the control device in accordance with the operating instructions. Specify the settings of the control...
Adjustment is made using the appropriate device. Connect the control device in accordance with the operating instructions. Specify the settings of the control...
Setting the ignition timing
The ignition advance angle to TDC at a crankshaft rotation speed of 900-1000 rpm should be 10°. Warm up the engine (oil temperature 30-60°C). Adjust the engine...
The ignition advance angle to TDC at a crankshaft rotation speed of 900-1000 rpm should be 10°. Warm up the engine (oil temperature 30-60°C). Adjust the engine...
Contactless ignition system
The design, operating principle, testing and adjustment of the contactless ignition system are described in the section " Engines YP, YZ, DS, DT, DZ ".
The design, operating principle, testing and adjustment of the contactless ignition system are described in the section " Engines YP, YZ, DS, DT, DZ ".
Technical characteristics of the contactless ignition system
The engine ignition system is battery-powered, contactless, with a nominal voltage of 12 V. It consists of a distributor sensor, a switch, an ignition coil,...
The engine ignition system is battery-powered, contactless, with a nominal voltage of 12 V. It consists of a distributor sensor, a switch, an ignition coil,...
Tightening torques of main threaded connections, kgf·m
Cylinder head mounting bolts (on a cold engine): 1st reception: 7.5; 2nd step: turn 180°. Cylinder head cover mounting stud nuts: 1.0. Crankshaft timing pulley...
Cylinder head mounting bolts (on a cold engine): 1st reception: 7.5; 2nd step: turn 180°. Cylinder head cover mounting stud nuts: 1.0. Crankshaft timing pulley...
Engine adjustment
Checking and adjusting clearances in the valve drive mechanism Checking and adjusting the clearances in the valve drive mechanism should be carried out at an...
Checking and adjusting clearances in the valve drive mechanism Checking and adjusting the clearances in the valve drive mechanism should be carried out at an...
Replacing the camshaft seal
Remove the alternator drive belt and cylinder head cover. Loosen the water pump mounting bolts. Loosen the tension of the camshaft drive belt by turning the...
Remove the alternator drive belt and cylinder head cover. Loosen the water pump mounting bolts. Loosen the tension of the camshaft drive belt by turning the...
Removal and installation the camshaft drive belt
Removal Turn the engine crankshaft to the position corresponding to the TDC of the end of the compression stroke of the 1st cylinder. In this case, the mark on...
Removal Turn the engine crankshaft to the position corresponding to the TDC of the end of the compression stroke of the 1st cylinder. In this case, the mark on...
Adjusting the tension of the timing belt
Remove the front timing belt cover. Turn the crankshaft to the position corresponding to the TDC of the end of the piston stroke of the 1st cylinder. In this...
Remove the front timing belt cover. Turn the crankshaft to the position corresponding to the TDC of the end of the piston stroke of the 1st cylinder. In this...
Removal and installation the cylinder head
Removal Disconnect the wire from the negative terminal of the battery. Remove the cap from the expansion tank. Disconnect the supply hose from the radiator and...
Removal Disconnect the wire from the negative terminal of the battery. Remove the cap from the expansion tank. Disconnect the supply hose from the radiator and...
Disassembly and assembly of the cylinder head
Disassembly Loosen the valve drive clearance adjusting bolts as much as possible so that the valve drive levers can be removed. Remove the lever retaining...
Disassembly Loosen the valve drive clearance adjusting bolts as much as possible so that the valve drive levers can be removed. Remove the lever retaining...
Removal and installation the engine
Removal Place the car on a lift and remove the hood. Disconnect the wire from the negative terminal of the battery. Remove the air filter and close the...
Removal Place the car on a lift and remove the hood. Disconnect the wire from the negative terminal of the battery. Remove the air filter and close the...
Disassembling the engine
Remove auxiliary units from the engine. Wash and clean the engine, install it on a stand for disassembly. Note: When disassembling, apply marks to the removed...
Remove auxiliary units from the engine. Wash and clean the engine, install it on a stand for disassembly. Note: When disassembling, apply marks to the removed...
Checking the engine
Checking cylinder diameters Make precise measurements of the cylinder diameters. Measurements should be made with a bore gauge in three zones both in the...
Checking cylinder diameters Make precise measurements of the cylinder diameters. Measurements should be made with a bore gauge in three zones both in the...
Engine assembly
Install the main bearing shells in the block bed, lubricate with engine oil and place the crankshaft in the bearings. The axial movement of the crankshaft is...
Install the main bearing shells in the block bed, lubricate with engine oil and place the crankshaft in the bearings. The axial movement of the crankshaft is...
Removal and installation the oil pump
Removal Disconnect the wire from the negative terminal of the battery. Loosen the generator mounting bolts and remove the generator drive belt. Turn the...
Removal Disconnect the wire from the negative terminal of the battery. Loosen the generator mounting bolts and remove the generator drive belt. Turn the...
Checking the technical condition of the oil pump
Remove the oil pump cover and visually inspect its condition; if deep scratches are found, sand down or replace the cover. Remove gears 2 and 3 (see photo) of...
Remove the oil pump cover and visually inspect its condition; if deep scratches are found, sand down or replace the cover. Remove gears 2 and 3 (see photo) of...
Checking the oil pressure in the lubrication system
Remove the oil pressure sensor. Attach a control pressure gauge to the sensor location. Start the engine and bring the oil temperature in the system to...
Remove the oil pressure sensor. Attach a control pressure gauge to the sensor location. Start the engine and bring the oil temperature in the system to...
Replacing the coolant
Set the heater control handle to the "warm" position. Remove the cap from the expansion tank. Disconnect the supply hose from the radiator together with the...
Set the heater control handle to the "warm" position. Remove the cap from the expansion tank. Disconnect the supply hose from the radiator together with the...
Removal and installation the water pump
Removal Drain the coolant from the system. Set the engine crankshaft to the position corresponding to the TDC of the end of the compression stroke of the...
Removal Drain the coolant from the system. Set the engine crankshaft to the position corresponding to the TDC of the end of the compression stroke of the...
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