Toyota 4Runner Problem Report

Toyota 4Runner Automatic transmission may overheat

(6 reports)
In some vehicles, the automatic transmissions over heat light may come with sustained highway driving or driving at a sustained speed. Our technicians tell us that flushing the transmission and changing from Dextron lll to Dextron ll can help remedy this problem.
A/T oil temp light comes on at sustained speeds and steep long inclines. It smells like burnt tranny fluid but when checked it's fine. I've had my runner for 11 yrs. and has only been doing this,in the last 35,000 miles. It makes me crazy trying to figure out how to fix it. Got it at 147,000 miles. But she still has alot of life in her. Gonna try the switching from Dex||| to Dex|| and see if it fixes anything. -
1993 4runner 108560 miles, on Phoneix to LA run, overheats on grades 105 degree heat with AC on. When the trans hot idiot light comes on, I turn off the AC, slow to to 50-60 (whatever the truck holds easily in high or no overdrive, and the light goes off in about 15 minutes. Poor thing has no power to hold grades without working its little butt off, which the coolant temp and oil temp have no issue with, but the trans sure does. -
automatic transmission overheating.going to try switching to dextron II -
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