The crankshaft bolt, also known as the crankshaft pulley bolt, is used to secure the crankshaft pulley in position. The pulley is responsible for the power supply of the timing (gas distribution mechanism), air conditioner, generator and pump. The bolt is tightened with a strong effort and has the property of auto-tightening during operation, so ordinary motorists often face the inability to unscrew it using conventional methods. Bolt is made of a metal alloy and cast in the form of a bolt; it has no other smaller parts.

1. 75 (RJ)
2. 75 Saloon (RJ)
3. FREELANDER (L314)
4. FREELANDER SUV (L314)
5. 75 Tourer (RJ)
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The usage of the bolt set

Since a strong torque is transmitted from the crankshaft, the rotating CORTECO brand Bolt Set, crankshaft pulley is very tightly seated on the crankshaft. The pulley can be a toothed or damper - it does not matter; it is bolted. When assembling an auto, the pulley bolt is very tightly tightened to prevent accidental loosening - and, as a result, failure of many car systems at once, which a pulley that has fallen from its place under the hood can harm. Therefore, it can be very difficult to untwist it, but this is a necessary procedure when replacing the crankshaft oil seal.