Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

1999 ranger transmission problem

Old Jan 16, 2019
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Enrique_'s Avatar
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1999 ranger transmission problem

My reverse function recently stopped working but I was still able to drive it just fine but then I was going down the road and I heard a loud crack come form under the truck
right away it stopped accelerating and I tried 1st gear and it wouldn't work but it was able to get into 2nd gear, I was able to pull over but all the transmission fluid dumped onto the floor right when I pulled over, does anyone know what could be the fix to it or is the transmission completely dead after that?
 
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Old Jan 17, 2019
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Welcome to the forum

Yes, you will need to pull out the transmission and rebuild it or replace it
The described issues would mean its not just a Valve Body issue, which can be repaired in the vehicle
The rotating parts, drive parts, have had a failure and that can only be address by disassembling transmission completely

In a 1999 4.0l Ranger you will have a 5R55E transmission, used from 1997 to 2011 in the 4.0l Rangers
If its a 2.5l or 3.0l engine then it will be a 4R44E transmission, used from 1995 to 2000 in Rangers
Rangers used the 2.3l from 1995 to 1997, which is same engine as the 2.5l so can be used in your 1999, if you have a 2.5l 4cyl engine

If you look for a used transmission it must match the engine size, i.e. 2.5l, 3.0l have different bell housings so are not interchangeable even though the trans model numbers are the same
Also 2WD or 4x4 matters, not interchangeable

The Mazda B-series trucks used the same transmission as Rangers in the same years
B4000 is 4.0l
B3000 is 3.0l
B2300 or B2500 is the 2.3l or 2.5L
 

Last edited by RonD; Jan 17, 2019 at 11:45 AM.
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Old Jan 17, 2019
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Thanks for the help, Do you know what could have caused that to happen or is it just caused by old age?
 
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Old Jan 18, 2019
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More likely lack of service
Automatics usually just need a rebuild when their clutches and bands(brakes) wear out, just like brakes on the wheels wear out, or clutches in manual transmission wear out
The clutches and bands(brakes) in an automatic are surrounded by fluid to cool them off so last longer but still wear out

Heat is what kills automatics, running low on fluid, no 2nd trans cooler, older fluid
This causes slipping and also low fluid pressure, all add up to more heat

This usually just requires a rebuild with some new parts, well not "just" because it is expensive, lol.
In your case something let go, broke, so more new parts would be needed and because it "dumped" fluid out, the transmission case could have broken, won't know until you inspect it
 

Last edited by RonD; Jan 18, 2019 at 10:01 AM.
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