so everytime i start my car it feels like something is loose...i can feel it in the floorboard and i can hear it...and when i drive over a bumpy road i can feel it again...when i turn off the car it does it sometimes...but sometimes it doesnt...does anybody know what could be wrong?

i think the culprit is somewhere on the driverside of the car...and ive checked the side motor mounts...anywhere else?

 

mods please move if i put this in wrong section...thanks!

 

Check downpipe to crossmember clearance.

 

Also check down pipe to t case clearance...I had that problem once.

 

awesome ill check those tomorrow! bump for more places to look!

 

there is a heat shield right below the rear passangers floor. the exhaust is more than likely hitting the heat shield and vibrating.

 

supension??

 

Do you have a aftermarket exhaust? It could be the exhuast hitting the driveshaft if it is not over enough. I would get this every now and then and it would be a knocking sound right beneath me.