Audi Workshop Service and Repair Manuals > A4 Mk1 > Power unit | 6-cylinder diesel direct injection engine (TDI), mechanics | Technical data

Engine number

t	The engine number (“engine code” and “serial number”) is stamped on the right inner side of the cylinder block between the cylinder head and the injection pump.

t	Additionally there is a sticker on the toothed belt cover with“Engine code” and “Serial number”.

t	The engine code is also to be found on the vehicle data sticker.

Audi Workshop Service and Repair Manuals