Diagnostic guidance. Suggested checks and possible repairs are separate from the owner's reported results.
Check the oil level using the vehicle procedure and confirm the oil and filter fitted during the service. Look for an obvious service-related leak with the engine off. If the oil-pressure warning appears, or the sound becomes a heavy knock, stop the engine and arrange inspection. Have the noise localized before accepting that it will go away. A technician can distinguish an exhaust leak from valve-train, accessory or deeper engine noise and measure oil pressure if indicated. Do not perform a driveway brake-loading test to reproduce it. Checking the recent service and identifying the sound's location are useful first steps. A small exhaust leak may be repairable, but that diagnosis needs confirmation.
Chevrolet: Engine-oil guidance https://www.chevrolet.com/support/vehicle/under-the-hood/engine-oil General manufacturer guidance on oil-level checks and low-oil-pressure warnings. Use the actual vehicle's manual for oil specification and checking procedure. Walker: Exhaust-system inspection https://www.walkerexhaust.com/support/tech-tips/how-to-perform-exhaust-system-inspection.html General inspection reference for leaks, physical damage and restriction. It does not identify the cause of this vehicle's noise.
When I accelerate I hear a slight ticking sound?
The owner reported a ticking sound under acceleration after purchasing the vehicle and changing its oil. The seller expected it to disappear. A contributor suggested an exhaust leak, but no inspection or confirmed cause was reported.
Reported outcome: No cause or repair was confirmed.
The discussion does not establish that continued driving is harmless or that the ticking is an exhaust leak.
