Trunk
TRUNKTrunk noises are often caused by a loose jack or loose items put into the trunk by the owner.
In addition look for:
1. Trunk lid bumpers out of adjustment
2. Trunk lid striker out of adjustment
3. The trunk lid torsion bars knocking together
4. A loose license plate bracket
Most of these incidents can be repaired by adjusting, securing, or insulating the items. or components. causing the noise.