4R55E Question.. - Ford Truck Enthusiasts Forums
 

Go Back   Ford Truck Enthusiasts Forums > Small Chassis Trucks > Explorer, Sport Trac, Mountaineer & Aviator
Log In 


Explorer, Sport Trac, Mountaineer & Aviator 1991-1994, 1995-2001, 2002-2005, 2006-2010 Ford Explorer

4R55E Question..

Reply
 
 
 
 
LinkBack Thread Tools Search this Thread
  #1  
Old 08-17-2014, 09:54 PM
ManicMike's Avatar
ManicMike ManicMike is offline
Senior User
 
Join Date: Feb 2010
Location: Bear, DE
Posts: 443
ManicMike is starting off with a positive reputation.
4R55E Question..

So I have a '96 Explorer Limited, 4.0 with the 4r55e. It has a hair over 160k on it.

Here is my question, I thought the valve body gaskets where blown because it would have pretty hard up and down shifts SOMETIMES. It's very random, some day's it would do it.. Others it wouldn't. Then I was reading if it has engine braking in manual 1st gear.. The gasket's are ok. I'm pretty sure I've used manual 1st before and felt engine braking. Will check tomorrow on that.

Then I was reading and was thinking possibly it could be the Electronic Pressure Solenoid (EPC). Another thing I noticed is the torque converter doesn't lock up, I was thinking it could be the TCC solenoid.

After a while the O/D light does blink, I'm gonna have it scanned tomorrow at work.

Some more reading I see both the EPC and TCC solenoid's are high wear items.

Anyone that could shed some light would be great!

-Mike
__________________
-'96 Explorer Limited, The Daily
-'88 Mustang - 327T, The race car
Reply With Quote
  #2  
Old 08-18-2014, 10:17 AM
Ford_Six's Avatar
Ford_Six Ford_Six is offline
Super Moderator
 
Join Date: Oct 2002
Location: Washington
Posts: 17,123
Ford_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputationFord_Six has a superb reputation
When I rebuilt mine it behaved similarly, it turned out the main harness plug wasn't fully seated. The tab was broken so I zip tied it tight and had no more issues.
__________________
Jared
Real trucks have the key on the left
FTE Guidelines
Quote:
Originally Posted by tjc transport
but i can't tell you where i am, i don't want the nice men in the white suits and hug me jackets finding me
Reply With Quote
  #3  
Old 08-18-2014, 10:22 AM
ManicMike's Avatar
ManicMike ManicMike is offline
Senior User
 
Join Date: Feb 2010
Location: Bear, DE
Posts: 443
ManicMike is starting off with a positive reputation.
So drove the truck this morning to work. I tested and have manual 1st engine braking. Actually I have manual 2nd gear braking too.

Got to work and the od light was blinking. Pulled the codes and got 2. A VSS code (forget the number) (speedo has a bit of a wobble at certain speeds, pretty sure that's the cause of that code) and a P0741. So it's throwing a TCC SOLENOID code too.
__________________
-'96 Explorer Limited, The Daily
-'88 Mustang - 327T, The race car
Reply With Quote
  #4  
Old 08-18-2014, 10:29 AM
Mark Kovalsky's Avatar
Mark Kovalsky Mark Kovalsky is offline
Post Fiend
 
Join Date: Aug 1999
Location: SE Florida
Posts: 12,506
Mark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputation
It could be the TCC solenoid, or it could be the wiring to the solenoid. The PCM can't tell the difference between a bad solenoid or a bad wire.
__________________
Mark
Former Ford Automatic Transmission Engineer 1988 - 2007

“The good thing about science is that it's true whether or not you believe in it.” ― Neil deGrasse Tyson
Reply With Quote
  #5  
Old 08-18-2014, 10:43 AM
ManicMike's Avatar
ManicMike ManicMike is offline
Senior User
 
Join Date: Feb 2010
Location: Bear, DE
Posts: 443
ManicMike is starting off with a positive reputation.
Quote:
Originally Posted by Mark Kovalsky View Post
It could be the TCC solenoid, or it could be the wiring to the solenoid. The PCM can't tell the difference between a bad solenoid or a bad wire.

Well I found the pinout for the pcm and trans connector. So I'm gonna do a resistance test when I get a chance also gonna check the plug.
__________________
-'96 Explorer Limited, The Daily
-'88 Mustang - 327T, The race car
Reply With Quote
  #6  
Old 08-18-2014, 10:46 AM
ManicMike's Avatar
ManicMike ManicMike is offline
Senior User
 
Join Date: Feb 2010
Location: Bear, DE
Posts: 443
ManicMike is starting off with a positive reputation.
My main concern is the hard shifts. I don't wanna be replacing the transfer case or u joint if I can fix it.
__________________
-'96 Explorer Limited, The Daily
-'88 Mustang - 327T, The race car
Reply With Quote
  #7  
Old 08-18-2014, 02:45 PM
ManicMike's Avatar
ManicMike ManicMike is offline
Senior User
 
Join Date: Feb 2010
Location: Bear, DE
Posts: 443
ManicMike is starting off with a positive reputation.
Alrighty. So I put a new VSS in on my lunch break. Speedo is a little wobbly still but doesn't seem to be as much. The old sensor was a Ford part, so probably the original. The truck seems to be shifting better but I'll give it a few days to see. My buddy has a scanner and the computer is commanding the tcc to lock but it isn't. I'm still gonna check the ohms and go from there.
__________________
-'96 Explorer Limited, The Daily
-'88 Mustang - 327T, The race car
Reply With Quote
  #8  
Old 08-19-2014, 08:17 PM
ManicMike's Avatar
ManicMike ManicMike is offline
Senior User
 
Join Date: Feb 2010
Location: Bear, DE
Posts: 443
ManicMike is starting off with a positive reputation.
Update!

Well after replacing the VSS on the rear the shifting seems to be cured.. Still gonna give it a few more days to be 100% sure.

Well I tested resistance (ohms) on the TCC solenoid at the pcm connector. Well it's infinite, SO gonna order a new TCC and red EPC (since I'll be in there) and give it fresh fluid.

-Mike
__________________
-'96 Explorer Limited, The Daily
-'88 Mustang - 327T, The race car
Reply With Quote
  #9  
Old 08-25-2014, 07:55 PM
ManicMike's Avatar
ManicMike ManicMike is offline
Senior User
 
Join Date: Feb 2010
Location: Bear, DE
Posts: 443
ManicMike is starting off with a positive reputation.
Well it WAS shifting soft/normal.. then one day it was back to hard shifts. Today was soft, so not sure if it's a loose connection or what. I ordered a new EPC (red screen) and a TCC solenoid. So when I drop the pan I'll double check all the connections.
__________________
-'96 Explorer Limited, The Daily
-'88 Mustang - 327T, The race car
Reply With Quote
 
 
 
Reply


Similar Threads
Thread Thread Starter Forum Replies Last Post
4R55E trouble muttstang Ranger & B-Series 1 09-19-2014 09:51 AM
5r110 TRANS UPGRADE DIY MOD SANDDEMON08 6.4L Power Stroke Diesel 5 12-21-2013 02:12 PM
Trans code P1744 jetfiremuck Aerostar 12 03-30-2010 06:12 PM
2004 F150 5.4/4R75E jtazioli Clutch, Transmission, Differential, Axle & Transfer Case 5 12-02-2009 08:59 PM
98 Explorer (5R55E) OD light blinking psw2168 Clutch, Transmission, Differential, Axle & Transfer Case 4 09-15-2009 08:02 AM


Go Back   Ford Truck Enthusiasts Forums > Small Chassis Trucks > Explorer, Sport Trac, Mountaineer & Aviator

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On

Forum Jump



All times are GMT -5. The time now is 11:46 PM.

 

Powered by vBulletin® Version 3.8.7 AC2
Copyright ©2000 - 2015, Jelsoft Enterprises Ltd.
Advertising - Terms of Use - Privacy Statement - Terms of Service - Jobs
This forum is owned and operated by Internet Brands, Inc., a Delaware corporation. It is not authorized or endorsed by the Ford Motor Company and is not affiliated with the Ford Motor Company or its related companies in any way. Ford® is a registered trademark of the Ford Motor Company.

vbulletin Admin Backup