* Driveline: The most common cause of a roar from the rear end of a vehicle is a problem with the driveline. This can include issues with the driveshaft, differential, or axle bearings.
* Tires: Another possible cause of a roar from the rear end is worn or damaged tires. This is especially true if the tires are not properly inflated.
* Exhaust: A problem with the exhaust system can also cause a roar from the rear end. This can include issues with the muffler, catalytic converter, or exhaust pipes.
Troubleshooting
To troubleshoot the source of the roar from the rear end of your 2002 Explorer Sport Trac, start by inspecting the driveline, tires, and exhaust system. Look for any signs of damage or wear. If you find any problems, repair or replace the affected components as necessary.
If you are unable to find any obvious problems with the driveline, tires, or exhaust system, you may need to take your vehicle to a qualified mechanic for further diagnosis. The mechanic will be able to use specialized tools and equipment to pinpoint the source of the noise.
Repair Costs
The cost of repairing a roar from the rear end of a 2002 Explorer Sport Trac will vary depending on the cause of the problem. If the problem is caused by a simple issue, such as worn tires, the repair costs may be relatively low. However, if the problem is more serious, such as a damaged driveline component, the repair costs could be significantly higher.