A bit of a touchy topic for me given I had some popping issues with my motor. Guess what? An "oil change" fixed it.
Per my repair description:
"Technician performed a test drive and found popping noise coming from both the front and rear of the vehicle. Performed a rear suspension check and lubricated axles, found noise from the rear still present. Inspected the rear drive unit and found oil color to be darker than expected with metal fragments. Performed flush of drive unit fluid and refilled and found noise from the rear was no longer present. Performed additional tests and isolated noise from the front of the vehicle to the passenger front seat mount cross beam joint. Adjusted rearward beam and sheet metal cover. Test drove vehicle following repairs and verified the popping noise is no longer present."