Toyota 4Runner owners have reported 1 problem related to automatic transmission cooler (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Toyota 4Runner based on all problems reported for the 4Runner.
The contact owns a 2002 Toyota 4runner. The contact stated while driving 35 mph, the vehicle began to lose power abnormally accompanied by the illumination of the check engine warning light. The contact later discovered that the aluminum radiator and the bolt that connected the coolant and transmission fluid transfer was faulty causing the two fluids to combine abnormally. The contact stated spoke with several mechanics that advised him of that the two fluids were combining. The vehicle was not repaired. The current and failure mileage was unavailable.
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