Rear squeak

[gary.taylor17]

Any ideas on a rubber sounding squeak when going over speed bumps in my v8v.
Many thanks for any replies.

[Murph7355]

My number 1 choice would be the parcel shelf. Does it do it with it removed?

[Knights of Aston]

Might also be the tailgate main seal or lip seals. Bit of vaseline helps here.