Posted by JCSinGA on October 30, 2007 at 19:33:23 from (75.90.19.124):
Hey folks, I have a '99 Explorer I bought to resale that needs a transmission. It has the overhead valve (old pushrod style) 4.0 V6 engine with the 5R55E trans.
I also purchased a rolled '00 Explorer as a donor vehicle that has the 4.0 SOHC engine and the 5R55E trans.
Junkyards with exchange info. tell me the 2 transmissions are not interchangeable but they cannot tell me why. The only visible difference (looking from underneath, the OHV trans. is not out yet) is the OHV trans. has a bump in the bottom of the pan the SOHC trans does not, I assume is probably hiding an extra solenoid of some sort in there. Mabye the torque curve between the 2 engines are different? Mabye need to keep the OHV torque converter in it?
I'd appreciate any info anyone had on this. Thanks
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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