The timing belt is a part that refers to the gas distribution system of a car engine and has the function of transferring rotation from the engine crankshaft to the camshaft. This is necessary to ensure synchronization of the opening and closing of the engine valves with the position of the pistons at a constantly changing engine speed. This problem is solved by connecting the crankshaft, on which the pistons are fixed, and the camshaft, which makes the valve move by installing a special pulley on both of these shafts and pulling a toothed belt or chain between them.

Serviceable alternators provide uninterrupted supply of current, which is necessary for the operation of most automotive electrical components: ignition systems, on-board computers, and others. At the same time, the alternator maintains the battery charge. The condition and power of the alternator directly affects the reliability of the vehicle and its performance and performance.

1. A4 (8D2, B5)
2. A4 Saloon (8D2, B5)
3. A4 / S4 (8D2, B5)
4. A4 Avant (8D5, B5)
5. PASSAT (3B2)
6. PASSAT Saloon (3B2)
7. PASSAT Variant (3B5)
8. PASSAT Wagon (3B5)
9. PASSAT Estate (3B5)
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The functionality of the timing belt

The main elements of a SWAG brand Timing Belt Set Along the way, the SWAG brand Timing Belt Set, as a rule, also rotates the pulley of the water pump. For reliable rotation of the belt, an additional tensioner, and sometimes bypass rollers, is installed. The timing belt is an internally toothed belt made of high tensile rubber on a cord basis. The rollers are metal or plastic pulleys with a smooth running surface, rotating on bearings. To ensure constant pressing of the tension roller to the belt, there are special tensioning mechanisms (manual or automatic).