The Vault of Valammar

Deep Trouble is a side quest in Dragon Age: Inquisition. These gears should fit the lock on a large door clearly made to keep out thieves.

Acquisition
This quest can be triggered during or after Deep Trouble.

Walkthrough
There are two gears that need to be gathered to be used on the door at the other end of the room the Carta Leader is. The gears can be found: Return to the door and place each gear on both sides of the door and turn them the complete the quest. Enter the Room to be attacked by a Hurlock Alpha, and 3 Hurlocks. There is plenty of loot to compensate for the trouble.
 * right behind the Carta Leader, when you enter the room.
 * in a locked room, second floor at the other end of the bridge where the Darkspawn are. It will be in a Dwarven Pot.

Reward

 * 512 Experience
 * 80 Influence
 * 2 Power