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What kind of transmission do I have in my 1997 Explorer?
- Thread starter allmyEXes
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No. You have a 5R55E.
allmyEXes
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From WIKI:
The 5R55E, though mechanically similar to the 4-speed 4R55E, was a new breed of electronically controlled automatic transmission with an additional forward gear. It was the first 5-speed automatic transmission to be employed by an American automaker. The 5R55E featured more precise computer controls (necessary to accommodate the additional forward gear) and introduced with a sophisticated friction-to-friction shift ability. Like the 4R44E relative to the 4R55E, a version of the 5R55E was made for lighter duty applications: the 5R44E. An example of these transmissions used in a single vehicle line would be in recent versions of the Ford Ranger pickup where the lighter-duty 5R44E is mated to a 3.0L Vulcan OHV V6 while the heavier duty 5R55E is mated to the more powerful 4.0 L Cologne SOHC V6.
The 5R55E, though mechanically similar to the 4-speed 4R55E, was a new breed of electronically controlled automatic transmission with an additional forward gear. It was the first 5-speed automatic transmission to be employed by an American automaker. The 5R55E featured more precise computer controls (necessary to accommodate the additional forward gear) and introduced with a sophisticated friction-to-friction shift ability. Like the 4R44E relative to the 4R55E, a version of the 5R55E was made for lighter duty applications: the 5R44E. An example of these transmissions used in a single vehicle line would be in recent versions of the Ford Ranger pickup where the lighter-duty 5R44E is mated to a 3.0L Vulcan OHV V6 while the heavier duty 5R55E is mated to the more powerful 4.0 L Cologne SOHC V6.
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The fifth gear is not a physical gear but a virtual gear. The computer combines two gear ranges to create a fifth gear.
JohnRFairchild
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- 1997 Explorer Sport 4.0 l
I have a 1997 Ford Explorer Sport with the 5 speed automatic and overdrive has just had the transfer case fail for the 3rd time since I have owned it. Is there a more durable transfer case or transmission and transfer case that can be swapped into it so it will stay fixed?
JohnRFairchild
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Why is it being so unreliable? I haven't been doing any towing or off reading with it.
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Were the replacements rebuilt or used?
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You have a control trac transfer case
They are not the greatest
It should have Mercon iii in it or ford transfer case fluid Mercon v is too slippery for these old t cases
You can do a control trac delete and run a 1354e t case from a ranger or sport trac
Get rid of the control trac
The 1354e is super reliable
The 5r55e actually uses over drive and first gear to create a false second gear
They are not the greatest
It should have Mercon iii in it or ford transfer case fluid Mercon v is too slippery for these old t cases
You can do a control trac delete and run a 1354e t case from a ranger or sport trac
Get rid of the control trac
The 1354e is super reliable
The 5r55e actually uses over drive and first gear to create a false second gear
JohnRFairchild
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Rebuilt with a replacement used case this second time.
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