One problem related to clunking noise has been reported for the 2001 Ford Ranger. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Ford Ranger based on all problems reported for the 2001 Ranger.
The driver's side rear shackle welds broke for the leafspring support. It made a clunking noise, so I checked it & seen that it was broke. Were then I noticed the truck box being lifted on that side.