I have a super low mileage '08 H2 Alpha w/Adventure suspension. I hear a rattle over short, sharp bumps that sounds like a hollow tube hitting something type of sound (almost like a wiffel bat hitting a ball). I've been underneath the vehicle tapping around with a rubber mallet, but I can't duplicate the sound. Everything seems in order and attached. I've heard that the shocks are a possibility. Vehicle has 36k on it. Any ideas would be appreciated. Thank you!

 

Check the Jack in the back door.

 

I have. It's tight. Thanks though.

 

Hollow tube; exhaust maybe? Check all your exhaust mounts.

 

Second thing to check would be the muffler in the rear. We had a rattle on our H3 Alpha that ended up being a loose plate inside the muffler.
Drove me krazy trying to find it for a month. Would only resonate (rattle over bumps or in reverse).

 

Thank you!

 

The back door closer is my wild guess. Need some adjustment.

 

The rear door handle on my '06 rattles. You may want to check yours.

 

Ok. Thanks!

 

This! My jack was securely tightened on the rear door with the screw so I figured it couldn't be it, but then I removed it entirely and the rattle went away. I just keep it in a tool box/container in the rear bed now.