Q: jeep runs fine....but i hear a slight rattling noise.. could this be serious. on 1997 Jeep Wrangler

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
replaced o2 sensor because of check engine light.and obd diagnosstic code ...resent repairs manifold gasket....tightened heat shield....exhaused checked...could this be a loose hardtop ....noise is fleeting sometimes sounds like front passenger side...sometimes is manual 5speed...thank you.
(1) Answer
I had the same problem in my 97 Jeep Wrangler Sahara. The rattling sounded like it was coming from under the passenger front seat or somewhere around there. I looked and looked and couldn't find the source of the rattle anywhere. It turns out it was from rocks(creek gravel) had gotten wedged between the skid plate and the transmission. The skid plate is located in the middle center. Try to fit something between there to fish whatever it is out. I hope this helps. Good luck
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