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5R55E Problems


rogueexplorer1

New Member
Joined
Apr 24, 2025
Messages
4
City
Medford, Oregon
Vehicle Year
1998
Transmission
Automatic
I have a 98 Explorer EB version. Yes, I realize I'm on a Ranger forum but your conversation is way more detailed than any place else I've seen, so I figured I get with the big boys & get some knowledge! Hope I'm not invading your space too much but think I can also lend a hand in a different way.

I have a 98 Explorer EB version with a SOHC 4.0L V6 & a 5R55E trans 4x4. I also have a 97 Limited Explorer with the same set up; 4.0L SOHC V6 4x4. From what I've found, this truck has the same tranny & TC in it as the 98.

I see some of you talk about the Tech Library. Is that the 1 here on this forum or the 1 from the government site? Just trying to make sure I have an exact swap.

Symptoms; For a while, when I'm driving no matter the speed, I would get a spinning/grinding noise that sounded like something was trying to engage then it would stop. I thought it was the starter or the starter relay that was either shorting out & trying to spin or jus the solenoid going bad. I pulled the starter relay after I started the car & the noise still happened. For a little while I was also getting binding in the steeling when I turned. The switch on the dash was set for AUTO but the binding still occurred. I have the 97 donor can, so I pulled the TC Module out & put it in the 98 & it stopped binding, so that was fixed.

the other day I was on a sharp incline & went to shift into reberse, & all I got was grinding & no reverse. This was right after the screw from the shift level fell out & hit my foot. I replaced that bolts & realized how loose the shifter had been for a while, noting that that screw was loosening more that whole time. Nice & tight now. All the numbers & letter on the selector indication for that lever matched up well, but reverse was still just grinding & no reverse. I also lost the Parking Paw as the car would just roll after stopping in park.

Checking the trans fluid, it still looks & smells good; still has the slight red color & smells fine.

If I have to, I'm pretty sure the whole tranny & TC can be swapped from the 97 to the 98, but if this is something les strenuous than doing a full swap, & might be just a few parts, I'd much rather do that & save my back doing this on a gravel driveway.

Can anyone tell me if they've had or seen these issues before & what they did to correct them?

Thanks in advance! You guys all seem to have so much more knowledge & experience than other forums! I appreciate you helping me, if you can!
 

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