Why is my transmission slipping? on 1993 Ford Explorer

I have a 1993 Ford Explorer that is having slippage in the transmission. Why?

by in Selma, CA on March 28, 2014
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2 answers 1 comment
ANSWER by , March 28, 2014
If the transmission is as old as the truck, it might be worn; Has it been serviced any and how long ago, probably needs to see the doctor, clutches are gone.
ANSWER by , March 28, 2014
Low fluid level, worn internal parts.
COMMENT by , March 28, 2014
The transmission fluid smells burnt. We just put a used transmission from a wrecking yard in the Explorer. What do you think about that?