Engines 1.4, 1.6 and 1.8 l
See Removal and installation of the crankshaft pulley.
Engines 2.0 l
Removing
1. Apply the parking brake, jack up the front of the vehicle and place it on jack stands. Remove the right front wheel and (with appropriate equipment) crankcase protection.
2. Remove accessory drive belts (see chapter Current service), - first mark the direction of rotation on the belt tape.
3. Turning the crankshaft by the pulley bolt, achieve the alignment of its installation mark with the pointer.
![](https://www.opelbook.ru/img/astra/3491.jpg)
4. Loosen and unscrew the small bolts securing the pulley to the crankshaft gear and remove the pulley from the engine - if necessary, hold the shaft from turning by the gear mounting bolt.
Installation
1. Make sure that the gear mark is aligned with the pointer on the oil pump housing. Carefully install the crankshaft pulley on the gear wheel, screw in the mounting bolts and tighten them to the required torque.
![](https://www.opelbook.ru/img/astra/3492.jpg)
2. Install accessory drive belts (see chapter Current service), — observe the original direction of rotation (see markings applied when removed).
3. Install crankcase protection (tighten fasteners to the required torque).
4. Lower the vehicle to the ground, then tighten the wheel fasteners to the required torque.
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