loud drivetrain thump
loud drivetrain thump Loud thump from drivetrain when rolling over small cracks in cement surfaces but doesn't happen when riding on blacktop surfaces unless i hit bumps where bridges connect. Thunder racing checked under the car and could not find anything when i was out of town. Any guesses guys, got worse last night , need help please, sounds like someone is hitting the floorboard with large rocks underneath. Car is 2000 firehawk 6 speed.
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There is a tool you might be able to borrow or rent from an auto parts store that borrows them called the "Chassis Ear". It is a set of six microphones, a switch box, and headphones. You clip the microphones to suspect points, then drive around while listening with the headphones. You can move the microphones around to zero in on the source of the noise. Be aware that many mechanics have never seen or even heard of this tool. Suspension and alignment mechanics use it to find rattles, squeaks, and other noises.
Blown shock and then the axle tube hitting the bump stop, or where the bump stop once was? If something was making physical contact, I'd think that would be evident by looking for the signs of contact.
The only banging I've ever experienced in my car was due to a broken trans mount (a few times).
The only banging I've ever experienced in my car was due to a broken trans mount (a few times).
There is a tool you might be able to borrow or rent from an auto parts store that borrows them called the "Chassis Ear". It is a set of six microphones, a switch box, and headphones. You clip the microphones to suspect points, then drive around while listening with the headphones. You can move the microphones around to zero in on the source of the noise. Be aware that many mechanics have never seen or even heard of this tool. Suspension and alignment mechanics use it to find rattles, squeaks, and other noises.
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