I drive an old Buick park avenue (1991) and these cars were literally marketed for how quiet they are, on top of many things.
While driving home it sounded like someone stole my catalytic converter… extremely loud but I checked and it was still there.
Has anyone else experienced this? What could it be?
Checked the car In park / neutral and it didn’t make the same sounds so I’m praying to God it isn’t my transmission.
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One, or both of your mufflers have holes rotted out in them
Okay thank you.
Could also just be an exhaust leak i would have a muffler shop look at it.
Sounds like the connection on the back of the motor for the exhaust is loose. They use spring loaded system so it can move. You may have a clogged converter.