Two problems related to power train driveline have been reported for the 2002 Toyota 4Runner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Toyota 4Runner based on all problems reported for the 2002 4Runner.
The rear differential housing has rusted through causing its oil to leak out.
2002 Toyota 4 runner rusted out rear axle housing. Rear axle housing leaks oil due to rust erosion on the rear axle cover.