Vauxhall Workshop Service and Repair Manuals > Astra H > J Engine and Engine Aggregates | DOHC Petrol Engine | General | Other Information | DOHC II petrol engine Z 20 LEL / Z 20 LER engine code/engine number

DOHC II petrol engine Z 20 LEL / Z 20 LER engine code/engine number

The engine identification code is embossed on the flattened area on the cylinder block on the transmission side.

Note: If a short-block is installed the engine number must be embossed in the cylinder block before installation.

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