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Disconnect the negative battery terminal. Remove tension from the tensioner pulley and pull the serpentine belt off the alternator. Disconnect the alternator electricall connectors. Remove the bolts that hold the alternator in place. Pull out the old alternator and put the new one in it's place and replace the bolts. Reconnect the electrical connectors. Put the serpentine belt back in place. Reconnect the battery.

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Q: How do you change the alternator on 1994 gmc suburban?
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