Table 1 shows eight common power train related problems of the 1998 Toyota 4Runner. The number one most common problem is related to the differential unit (four problems). The second most common problem is related to the automatic transmission (two problems).
Rear differential housing is leaking fluid as a result of rust. Local Toyota dealership says the entire rear axle needs to be replaced (it is all one piece) to the tune of $3000. An online search of a diy repair shows this problem (google: rear differential rust) shows this problem is unique to Read details...
The cruise control system malfunctioned, causing vehicle to kick into high gear, coming out of the overdrive and revs up to 3500 mph which almost caused an accident. Cause unknown. Read details...
Rear differential has rusted through. Causing all fluid to drain, which in turn would cause rear end to lock up. Read details...