How do you replace the alternator in a '91 Jetta GL?

Lift Hood Write down radio security code if required. Disconnect battery Loosen top and bottom bolts on the alternator remove the main wire from alternator rear (13mm nut) remove the small wire from the alternator rear (8mm nut) Loosen the adjustment arm bolt at the head Remove top bolt of the alt, rotate arm out of way remove belt (note routing) remove lower alt bolt lift alternator out of unit. Installation is reverse of removal.