1996 Jeep Grand Cherokee Rattle

Suggested Repair

With the exhaust cool, inspect the exhaust system and check whether sections have slipped off the hangers and are bouncing against the body. A catalytic converter was also mentioned as a possible source.

Conversation Summary

The owner of a 1996 Jeep Grand Cherokee reports a loud rattle underneath that occurs in park or when braking, disappears when accelerating, and is getting louder. One reply suggested the catalytic converter. The expert advised checking the cooled exhaust system for sections that may have slipped off the hangers and are bouncing against the body.