In order to tell you that you would have to describe the noise and what the car is doing when the noise is made. Are you idling, driving, just turned the AC on? What is occurring and what is the noise?
Idling and sounds worse when AC is on.
Sounds like it is coming from the top of the engine. Vehicle has 120k miles
Check your sway bar links. I just had to have these replaced on my 2004 Tracker.
If you're experiencing engine noise in a Chevy Tracker, it could be due to several issues, such as low oil levels, worn engine components, or exhaust system problems. Listening closely to the type of noise—whether it's knocking, ticking, or grinding—can help identify the source. Regular maintenance and prompt inspection by a qualified mechanic can prevent further damage and ensure optimal performance. Always consult your vehicle's manual for specific troubleshooting advice and service recommendations.
sell it
you probably threw a rod out, get it to a mechanic ASAP or you will have more problems.
The fuel in the cylinders exploding
When the brake pads are worn the rivets will actually touch the brake rotor when the brakes are applied. The brakes should be changed immediately.
when the engine weres down
The fuel in the cylinders exploding
Engine noise.
Front hubs my be wearing out.
Bearing noise is usually deeper and comes from farther down in the engine. Lifter noise is more of a ticking and is up in the engine heads.
lifters