Transmission overheating
10

Asked by uknick Mar 05, 2010 at 07:30 PM about the 1994 Ford Explorer 4 Dr XLT SUV

Question type: Maintenance & Repair

94 Expl 4 dr 2WD XLT 115k miles
I recently towed a 2400lb boat about 40 miles. The transmission overheated & blew all the trans fluid out - thought I had seized it completely BUT NO! I filled it with new fluid (8 quarts and drives better than before. I then pulled a mini trailer with hot tub on it - probaly less than 500lbs about 20 miles & trans fluid was bubbling again. I do not wish to repeat this experience. I am told, by a reliable  transmission shop, that this is a common problem with this vehicle because the trans fluid cooler gets clogged very easily.
1. Is it worth trying to unclog the existing cooler or should I find an aftermarket one? I have larger/heavier boats too that I want to transport locally.
2. Any recommendations on replacement trans fluid coolers?
3. What else can I do to reduce the pressure on trans while towing? Eg. would servicing the diff or anything else help? I am replacing the entire brake system - rotors, calipers, pads, etc for safety anyway.

1 Answer
2,655

Dan answered 14 years ago

for towing like you said you will be doing.. i would DEFINATELY go with a bigger cooler.. automatics are known for heating up more quickly under a load

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