Gasoline car engine Audi 80 B3
Gasoline engine. General information
The cylinder block is made of gray cast iron. The crankshaft is located in the lower part of the cylinder block, lying in the main bearings. Connecting rods...
The cylinder block is made of gray cast iron. The crankshaft is located in the lower part of the cylinder block, lying in the main bearings. Connecting rods...
Possible engine malfunctions
If the engine does not start, it is necessary to analyze the possible causes of the malfunction. For a gasoline engine, the fuel-air mixture must be supplied...
If the engine does not start, it is necessary to analyze the possible causes of the malfunction. For a gasoline engine, the fuel-air mixture must be supplied...
V-belt and toothed belt drive
4-cylinder carburetor engine 1 - Upper toothed belt cover 2 - bolt, 10 Nm 3 - cap 4 - toothed belt 5 - tension roller 6 - fastening nut, 45 Nm 7 - rear cover...
4-cylinder carburetor engine 1 - Upper toothed belt cover 2 - bolt, 10 Nm 3 - cap 4 - toothed belt 5 - tension roller 6 - fastening nut, 45 Nm 7 - rear cover...
Checking and adjusting the timing belt tension
Note: This describes the operating procedure for a gasoline engine only. 4-cylinder engine Weakening Remove the upper timing belt cover. Place the HAZET 2587...
Note: This describes the operating procedure for a gasoline engine only. 4-cylinder engine Weakening Remove the upper timing belt cover. Place the HAZET 2587...
Installation and removal of the timing belt
Note: This describes operation for a petrol engine only. 4-cylinder petrol engine Removal Remove the V-belt. Set the crankshaft to the TDC position of the...
Note: This describes operation for a petrol engine only. 4-cylinder petrol engine Removal Remove the V-belt. Set the crankshaft to the TDC position of the...
Camshaft/Valve timing mechanism
1 - Bearing cover. When installing, pay attention to the correct position of the holes. The fourth bearing cover is not shown in Fig. The camshaft has 5...
1 - Bearing cover. When installing, pay attention to the correct position of the holes. The fourth bearing cover is not shown in Fig. The camshaft has 5...
Installation and removal of the camshaft
Dismantling Remove the air filter. Remove the upper timing belt cover. 5-cylinder engine: remove the upper part of the intake manifold. Remove the cylinder...
Dismantling Remove the air filter. Remove the upper timing belt cover. 5-cylinder engine: remove the upper part of the intake manifold. Remove the cylinder...
Cylinder head
1 - lid 2 - fastening nut, 10 Nm 3 - stiffening bar 4 - cylinder head cover 5 - oil deflector 6 - cylinder head cover seal 7 - cylinder head bolt. Observe the...
1 - lid 2 - fastening nut, 10 Nm 3 - stiffening bar 4 - cylinder head cover 5 - oil deflector 6 - cylinder head cover seal 7 - cylinder head bolt. Observe the...
Dismantling and installation of the cylinder head
Note: The following describes the removal for a gasoline engine. Since the procedure for other engines is different, double check that all pipes and other...
Note: The following describes the removal for a gasoline engine. Since the procedure for other engines is different, double check that all pipes and other...
Hydraulic pusher
All engines are equipped with a hydraulic plate tappet. This helps reduce noise during the operation of the valve timing mechanism and eliminates the need to...
All engines are equipped with a hydraulic plate tappet. This helps reduce noise during the operation of the valve timing mechanism and eliminates the need to...
Removal the engine valve
Remove the cylinder head. Note: If previously used parts are used, they must be installed in their proper places. To avoid errors, it is recommended to use a...
Remove the cylinder head. Note: If previously used parts are used, they must be installed in their proper places. To avoid errors, it is recommended to use a...
Installing the engine valve
Before installing the valves, check the valve guides and lap the valve seats. Caution: New spring retainers have sharp edges on the cracker holes. This may...
Before installing the valves, check the valve guides and lap the valve seats. Caution: New spring retainers have sharp edges on the cracker holes. This may...
Replacing valve stem seals
Increased oil consumption may be due to wear of the valve stem caps. They can be removed without dismantling the cylinder head. However, this requires a...
Increased oil consumption may be due to wear of the valve stem caps. They can be removed without dismantling the cylinder head. However, this requires a...
Checking the valve guides
When repairing engines with leaks in the valves, it is often not enough to repair the valves themselves or replace them. In this case, it is necessary to check...
When repairing engines with leaks in the valves, it is often not enough to repair the valves themselves or replace them. In this case, it is necessary to check...
Valve seats in the cylinder head. Valve repair
Valve seats with signs of wear and pitting can be repaired as long as the maximum permissible size is maintained. If this size is exceeded, reliable operation...
Valve seats with signs of wear and pitting can be repaired as long as the maximum permissible size is maintained. If this size is exceeded, reliable operation...
Valve processing
Note: Petrol engine valves and diesel exhaust valves are not milled, only lapping is allowed. When milling diesel intake valves, size d = min 0.5 mm. With...
Note: Petrol engine valves and diesel exhaust valves are not milled, only lapping is allowed. When milling diesel intake valves, size d = min 0.5 mm. With...
Engine installation and dismantling
The engine is removed without the gearbox upwards. The intake and exhaust manifolds, as well as the fuel injection device and generator, remain on the engine....
The engine is removed without the gearbox upwards. The intake and exhaust manifolds, as well as the fuel injection device and generator, remain on the engine....
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
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