The drive of automotive units can include a belt or a chain. As a rule, chain drives are more reliable - metal chains are simply less likely to fail. Where chains are really widely used is in timing gears. It is in them with the help of chains that the torque is transmitted to the camshaft from the crankshaft.

The BLUE PRINT brand Timing Chain is an important part of the drive system. It is used to transfer power from the crankshaft to the camshaft. Thanks to this part, the correct gas distribution in the car is carried out: the valves open and close at the right time.

1. YARIS (_P1_)
2. ECHO (_P1_)
3. YARIS/VITZ (_P1_)
4. VITZ/ECHO (_P1_)
5. YARIS (_P9_)
6. YARIS/VITZ (_P9_)
7. VITZ (_P9_)
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The timing chain conditions of usage

When talking about timing chains, many motorists forget that the chains themselves and their adjacent elements are sensitive to the quality and current state of the engine oil. Needless to say, the regulations for changing oils must be observed, and ignoring it often leads to breakdowns. In the case of a chain drive, the use of contaminated or poor quality oil can lead to rapid gear wear.