Rear end knocking '08 G6 Sedan
Hi All. I've read through a number of threads talking about this issue and may be getting closer to a solution but not yet!
When I drive over even the smallest bumps in the road theres a knocking in the back. Sounds like its coming from the trunk area.
Here's what I've done so far:
Replaced the shocks
Checked all suspension connections with car fully lifted off the ground
Sway bar and links/bushings
replaced the rear bumper after a rear-ending. they also had to reshape some of the trunk area, but still, after all that, the knocking remains.
Checked the spare tire/jack.
Moved the trunk felt around.
Pulled down the rear seats (to find out if it was the latch and to hear the knocking better).
Its definitely under the trunk. I've checked just about everything, shook things, etc etc. It only happens while im driving. shaking the car up and down and side to side does not reproduce the sound.
Someone mentioned a place where the trunk and bumper and muffler meet, but not sure what they mean as the muffler hangs down off some rubber deelies that also do not reproduce the sound.
Does anyone have any ideas?