Crankshaft pulley — removal and installation (Opel Astra F)

Disconnect the negative battery terminal. Raise the front right side of the car, supporting it securely. Remove the wheel.



After unscrewing the bolts, remove the plastic clips and, if possible, the fender liner.

If necessary, turn the crankshaft (using a wrench and a sprocket bolt) until the timing marks coincide, as noted above in the section "TDC for piston No.1".

On 1.8L and 2.0L engines, remove the power steering pump drive belt.

Remove the alternator drive belt.

To prevent the crankshaft from turning, you must either engage a higher gear and ask an assistant to press the brake pedal all the way down (only on models with manual transmission) or remove the starter and jam the teeth of the ring gear using a suitable tool.

On 1.4 and 1.6 L engines, unscrew and then remove the pulley.

On 1.8 and 2.0 L engines with one camshaft, use a socket wrench to unscrew the 4 bolts connecting the pulley and the crankshaft sprocket a, then remove the pulley (on 2.0 L engines with two camshafts - 6 bolts).

When installing, make sure that the mark on the pulley matches the protrusion on the crankshaft sprocket.



On 1.4L and 1.6L engines it may be necessary to use a new pulley retaining bolt.

While holding the crankshaft from turning, install the pulley bolts and tighten them to the specified torque.

Replace and tighten the alternator drive belt.

On 1.8L and 2.0L engines, install and tension the power steering pump drive belt.

Replace the fender liner, then the car wheel, and lower it to the ground.

Connect the negative battery terminal.