Contents: Removal ⬇ Installation ⬇
Removal
1. Remove the auxiliary drive belt (see the relevant section), having previously marked the direction of rotation on it so that it can be oriented correctly during installation.
2. Install a socket with an extension rod on the crankshaft sprocket bolt and turn the crankshaft so that the notch on the rim of its pulley aligns with the pointer on the cover.
3. Remove the small bolts securing the pulley to the crankshaft sprocket and remove the shifter pulley. If necessary, block the crankshaft by holding the sprocket mounting bolt with a suitable socket.
Installation
4. Make sure the crankshaft sprocket mark is still aligned with the mark on the oil pump housing, then move the crankshaft pulley to the operating position. Align the notch on the pulley rim with the pointer, then install the pulley onto the sprocket and tighten the bolts to the torque specified in the Specifications.
5. Install the auxiliary drive belt (see the relevant section), using the mark made before removal.
(Source is on this resource: OpelBook.ru)

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