Car engine repair Audi 100 C3, petrol
Main technical characteristics of the engine
The four-stroke, four-cylinder in-line engine is installed inclined to the right along the longitudinal axis of the vehicle. The cooling system is liquid. The...
The four-stroke, four-cylinder in-line engine is installed inclined to the right along the longitudinal axis of the vehicle. The cooling system is liquid. The...
Cylinder head — technical characteristics
The cylinder head is cast from aluminum alloy. The valve seats and guides are pressed into the cylinder head. The DS engines from September 1985 and the NP...
The cylinder head is cast from aluminum alloy. The valve seats and guides are pressed into the cylinder head. The DS engines from September 1985 and the NP...
Cylinder Block — Technical Specifications
The cylinder block is sleeveless and cast iron. The lower part of the cylinder block has five supports for the crankshaft main bearing shells. The main bearing...
The cylinder block is sleeveless and cast iron. The lower part of the cylinder block has five supports for the crankshaft main bearing shells. The main bearing...
Crank mechanism — technical characteristics
Crankshaft The crankshaft is steel, forged. The shaft has five bearings. There are lubrication grooves in the upper shells of the main bearings. There are...
Crankshaft The crankshaft is steel, forged. The shaft has five bearings. There are lubrication grooves in the upper shells of the main bearings. There are...
Valve timing mechanism — technical characteristics
The engine uses a valve timing mechanism with an overhead camshaft, the drive of which is carried out by a toothed belt from the crankshaft pulley. The belt...
The engine uses a valve timing mechanism with an overhead camshaft, the drive of which is carried out by a toothed belt from the crankshaft pulley. The belt...
Tightening torques for main threaded connections
Tightening torques of main threaded connections, kgf·m Cylinder head mounting bolts: 1st step - 4.0; 2nd reception - 6.0; 3rd step - tighten half a turn...
Tightening torques of main threaded connections, kgf·m Cylinder head mounting bolts: 1st step - 4.0; 2nd reception - 6.0; 3rd step - tighten half a turn...
Checking and adjusting clearances in the valve drive mechanism
Engines "DR" and "DS" produced before September Examination Warm up the engine to operating temperature (coolant temperature above +35°C, cylinder head warm)....
Engines "DR" and "DS" produced before September Examination Warm up the engine to operating temperature (coolant temperature above +35°C, cylinder head warm)....
Hydraulic tappets
Design The hydraulic pusher consists of two main moving parts: the pusher itself 2 (see picture), serving simultaneously in the process of work of the plunger,...
Design The hydraulic pusher consists of two main moving parts: the pusher itself 2 (see picture), serving simultaneously in the process of work of the plunger,...
Timing mechanism parts
Timing mechanism parts: 1 - crankshaft; 2 - toothed pulley of the crankshaft; 3 - toothed camshaft drive belt; 4 - intermediate shaft toothed pulley; 5 -...
Timing mechanism parts: 1 - crankshaft; 2 - toothed pulley of the crankshaft; 3 - toothed camshaft drive belt; 4 - intermediate shaft toothed pulley; 5 -...
Removal and installation the camshaft drive belt
Removal Loosen the generator mounting bolts and remove the drive belt. Remove the crankshaft pulley. Remove the timing belt protective covers. Disconnect the...
Removal Loosen the generator mounting bolts and remove the drive belt. Remove the crankshaft pulley. Remove the timing belt protective covers. Disconnect the...
Cylinder head parts
Cylinder head details: 1 - cylinder head; 2 - cylinder head gasket; 3 - cylinder head cover; 4 - cylinder head cover gasket; 5 - gaskets; 6 - oil seal; 7 -...
Cylinder head details: 1 - cylinder head; 2 - cylinder head gasket; 3 - cylinder head cover; 4 - cylinder head cover gasket; 5 - gaskets; 6 - oil seal; 7 -...
Removal the cylinder head
Disconnect the negative cable from the battery. Place a container under the engine to collect the coolant and drain the coolant from the cooling system by...
Disconnect the negative cable from the battery. Place a container under the engine to collect the coolant and drain the coolant from the cooling system by...
Installing the cylinder head
Replace the sealing gaskets each time the cylinder head is removed. Install a new cylinder head gasket with the "oben" ("top") mark facing the plane of the...
Replace the sealing gaskets each time the cylinder head is removed. Install a new cylinder head gasket with the "oben" ("top") mark facing the plane of the...
Disassembly and repair of the cylinder head
When disassembling the cylinder head, mark the parts to be removed so that they can be put back in their original places when reassembling. Remove bearing caps...
When disassembling the cylinder head, mark the parts to be removed so that they can be put back in their original places when reassembling. Remove bearing caps...
Cylinder head assembly
Install the valve spring retaining washers and insert the valves into the guide bushings. Using mandrel 10 204, press new oil deflector caps onto the valve...
Install the valve spring retaining washers and insert the valves into the guide bushings. Using mandrel 10 204, press new oil deflector caps onto the valve...
Powertrain and gearbox suspension parts
Powertrain and gearbox suspension parts: 1 - right and left powertrain suspension brackets; 2 - right and left supports; 3 - brackets for suspension of manual...
Powertrain and gearbox suspension parts: 1 - right and left powertrain suspension brackets; 2 - right and left supports; 3 - brackets for suspension of manual...
Removal and installation the engine
Removal Disconnect the wire from the negative terminal of the battery. Open the expansion tank cap. Disconnect the outlet hose from the thermostat housing pipe...
Removal Disconnect the wire from the negative terminal of the battery. Open the expansion tank cap. Disconnect the outlet hose from the thermostat housing pipe...
Crank mechanism parts
Crank mechanism parts: 1 - crankshaft; 2 - connecting rod; 3 - piston; 4 - piston rings; 5 - piston pin; 6 - piston pin retaining ring; 7 - connecting rod...
Crank mechanism parts: 1 - crankshaft; 2 - connecting rod; 3 - piston; 4 - piston rings; 5 - piston pin; 6 - piston pin retaining ring; 7 - connecting rod...
Disassembling the engine
Note: When disassembling, mark the removed parts that are suitable for further use so that when reassembling, you can install them in their original places and...
Note: When disassembling, mark the removed parts that are suitable for further use so that when reassembling, you can install them in their original places and...
Engine assembly
Checking cylinder diameters Make precise measurements of the cylinder diameters. Use a bore gauge in three zones, both in the transverse direction "A" and in...
Checking cylinder diameters Make precise measurements of the cylinder diameters. Use a bore gauge in three zones, both in the transverse direction "A" and in...
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