Cracking the VW Codes

Forums Reference useful tables and formulae Cracking the VW Codes

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    Chris S
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    On the type plate in the engine compartment there is a seven figure number, this number shows the exact production date your syncro.
    There was also a yellow label behind the right headlight, but which is probably missing by now.
    The format for both is xx-x-xxxx
    where the first 2x are the week of the year from 01 to 53
    single x is the day of the week from 1 to 7 or more normally 1 to 5
    and the last 4x is the year of manufacture
    so 01-05-1989 is the first friday in jan 89.

    This is also true with gearboxes and rear differentials as after the code sequence I.E. 4Z, AOK, etc there is a 5 figure nr, as in 4Zxxxxx this can be broken down to read first two = date, second two = month, fifth = year so 4Z25117 is a 4Z gearbox made on the 25-november-1987

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