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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

E4od (reman) acting up

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Old Jun 28, 2016 | 03:14 PM
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E4od (reman) acting up

I have the truck running fine with a Ford reman(4x4 style) in a 91 7.3 super duty. I put in a new solenoid pack, repaired the harness, new tc.
It has ran fine but sometimes reverse isn't there, other times it is. When in park, it will sometimes make a rattling/scraping sound from underneath.
Up until today the of light hasn't flashed at all.
Sometimes the shifts are off alittle too and it downshifts too much. And today it sounded like while at stop lights a couple times like a loud clunk in the tranny, but still ran pretty good.

I checked for codes and it is giving me just the 111 all clear code.
 
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Old Jun 28, 2016 | 04:22 PM
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So the O/D light doesn't flash? Is your tachometer erratic, or does it work smoothly?

Reverse in the E4OD is hydraulic/mechanical - so it should just work, regardless of what the computer is trying to do. It may indicate you have valvebody or mechanical problems.
 
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Old Jun 28, 2016 | 05:11 PM
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Anyone seen a solenoid pack coil come apart before? I pulled the pan and found the fluid black and noticed that one of the towers had the cover to it bent all up and chunks of it in the pan.
 
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Old Jun 28, 2016 | 06:42 PM
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Well a integrated solenoid valve would definitely cause a fluid pressure loss.
 
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Old Jun 28, 2016 | 10:16 PM
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Old Jun 28, 2016 | 11:48 PM
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See if replacing the solenoid pack solves your problem - you also need to make sure the gasket is intact.
 
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Old Jun 29, 2016 | 08:52 AM
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That solenoid pack looks cooked to me. I doubt the transmission fluid could generate enough heat to do that, I suspect something electrical.
 
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Old Jun 29, 2016 | 10:05 PM
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Would putting a new solenoid pack in it fix my reverse even thought the fluid is black and sludge is in the pan?
Keep in mind the dipstick is clean when I checked it
 
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Old Jun 30, 2016 | 07:38 AM
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The solenoids are not used for reverse. Changing them will do nothing to help reverse.
 
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Old Jun 30, 2016 | 08:17 AM
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If a solenoid could cause fluid pressure loss, then that could theoretically impact reverse right?
 
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Old Jun 30, 2016 | 11:17 AM
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IF the solenoid pack has failed in such a way that its venting line pressure, it could cause an issue.
 
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Old Jun 30, 2016 | 02:54 PM
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I've never seen a solenoid issue cause a reverse problem. I suppose it might be possible, but I can't come up with a way it could happen.
 
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