Tranny fluid flush and change? - Page 3 - Ranger-Forums - The Ultimate Ford Ranger Resource


General Ford Ranger Discussion General discussion of the Ford Ranger that does not fit in any other sub-forum.

Reply
 
LinkBack Thread Tools Search this Thread
  #51  
Old 11-19-2008
seed60's Avatar
RF Veteran
iTrader: (15)
 
Join Date: Jun 2008
Location: Mooresville, NC
Posts: 5,584
Been reading up some more on this.

I've seen people say that a flush is bad on high mileage trucks that have not been serviced before....and to only do the filter and fluid in the pan.

Is this true?
Reply With Quote
  #52  
Old 11-19-2008
My91Ranger's Avatar
Member
iTrader: (1)
 
Join Date: Apr 2007
Location: Roseville, Michigan
Posts: 2,252
As the clutch plates and gears in your trans wear down, they release small particles of metal into the trans fluid. Those particles help the clutches grip as they get older. When you change the fluid your taking out all of those particles and putting in new fluid which is rather slippery. When the new fluid hits the clutches they may start to slip if they have enough miles on them.

I have flushed fluid on a high mileage trans and had it start slipping on me. My personal rule of thumb is either change it regularly from the start, or leave it alone and continue to top off the trans fluid as necessary.
Reply With Quote
  #53  
Old 11-19-2008
seed60's Avatar
RF Veteran
iTrader: (15)
 
Join Date: Jun 2008
Location: Mooresville, NC
Posts: 5,584
Quote:
Originally Posted by My91Ranger View Post
As the clutch plates and gears in your trans wear down, they release small particles of metal into the trans fluid. Those particles help the clutches grip as they get older. When you change the fluid your taking out all of those particles and putting in new fluid which is rather slippery. When the new fluid hits the clutches they may start to slip if they have enough miles on them.

I have flushed fluid on a high mileage trans and had it start slipping on me. My personal rule of thumb is either change it regularly from the start, or leave it alone and continue to top off the trans fluid as necessary.
So would it even be wise to drop the pan and change the filter..or just leave it be? If it ain't broke don't fix it type of thing.
Reply With Quote
  #54  
Old 11-29-2008
BlutoBodine's Avatar
Member
 
Join Date: Sep 2008
Location: Tulsa, OK
Posts: 543
Quote:
Originally Posted by seed60 View Post
So would it even be wise to drop the pan and change the filter..or just leave it be? If it ain't broke don't fix it type of thing.
I had a transmission (older car) that wouldn't even move forward in "D" so I flushed with sea foam trans tune and then added lucas transmission fix after I changed the fluid and filter. Transmission shifted super smooth after that and lasted another 30,000 miles before acting up again. I plan on using AMSOIL universal ATF when I do service mine.
Reply With Quote
  #55  
Old 11-29-2008
BlutoBodine's Avatar
Member
 
Join Date: Sep 2008
Location: Tulsa, OK
Posts: 543
Quote:
Originally Posted by n0thing43 View Post
I think you talked me into doing myself. I checked the amsoil site and it sounds easy enough. What are some premium quality brands of tranny fluid. I assume that tranny fluid comes in regular and fully syn blends as oil does?
Mercon V

or...

Reply With Quote
  #56  
Old 11-29-2008
htjunkie's Avatar
Member
 
Join Date: Apr 2007
Location: The Lone Star State
Posts: 1,286
I'm at 180,000 miles on mine. I've put on the last 60,000, and I have never had the tranny serviced, and not sure if the previous owned did. Trans shifts fine. Been told that it has a little "burned" smell in the fluid as well. I've read so much about NOT messing with an older tranny. Not sure if I should change the fluid or not.
Reply With Quote
  #57  
Old 12-01-2009
Hillyard's Avatar
Member
iTrader: (8)
 
Join Date: Jul 2007
Location: Evansville, Indiana
Posts: 1,018
Is there a how to for this?
Reply With Quote
  #58  
Old 12-01-2009
Toms994x4's Avatar
Member
iTrader: (4)
 
Join Date: Jul 2009
Location: Sanford, NC
Posts: 1,300
Remove the bolts from the trans pan.
Get the hell out of the way when the fluid starts coming out.
Catch it with a drain pan.
Remove the filter.
Install the new o-rings on the filter and install the filter.
Clean the sealing surface.
Install the pan with new pan gasket.
Fill up the tranny with Mercon V.
^That's basically how to...

If it hasn't been done, I wouldn't do it depening on mileage. My ranger has 114k miles and I recently rebuilt the engine in it. I changed the tranny fluid and filter and not long after it started slipping. I now have a $1,700 tranny from AZ sitting in my garage waiting to go in...
Reply With Quote
  #59  
Old 12-01-2009
Hillyard's Avatar
Member
iTrader: (8)
 
Join Date: Jul 2007
Location: Evansville, Indiana
Posts: 1,018
Quote:
Originally Posted by Toms994x4 View Post
Remove the bolts from the trans pan.
Get the hell out of the way when the fluid starts coming out.
Catch it with a drain pan.
Remove the filter.
Install the new o-rings on the filter and install the filter.
Clean the sealing surface.
Install the pan with new pan gasket.
Fill up the tranny with Mercon V.
^That's basically how to...

If it hasn't been done, I wouldn't do it depening on mileage. My ranger has 114k miles and I recently rebuilt the engine in it. I changed the tranny fluid and filter and not long after it started slipping. I now have a $1,700 tranny from AZ sitting in my garage waiting to go in...
I'm at 45k though.
Reply With Quote
  #60  
Old 12-01-2009
Igobytwitch's Avatar
Member
 
Join Date: Oct 2008
Location: Cocoa Beach, Florida
Posts: 504
Alright, so flushing the tranny for the first time at 152k would be a bad idea then? As far as i know it was never flushed, I've had it for 10k miles
Reply With Quote
  #61  
Old 12-01-2009
SteveOh's Avatar
Member
 
Join Date: Mar 2005
Location: Ft. Campbell Kentucky
Posts: 4,585
i just did a full flush at 104k and now when its cold it wont go in gear till the truck warms up a little it will rev then slam into gear..
Reply With Quote
  #62  
Old 12-01-2009
west22's Avatar
Member
 
Join Date: Mar 2009
Location: Martin, MI
Posts: 55
Quote:
Originally Posted by SteveOh View Post
i just did a full flush at 104k and now when its cold it wont go in gear till the truck warms up a little it will rev then slam into gear..
Exact same thing happened to me.
Reply With Quote
  #63  
Old 12-01-2009
pacodiablo's Avatar
Member
 
Join Date: Jun 2004
Location: Charlotte, NC
Posts: 1,126
Quote:
Originally Posted by Igobytwitch View Post
Alright, so flushing the tranny for the first time at 152k would be a bad idea then? As far as i know it was never flushed, I've had it for 10k miles
Flushing can make hidden problems become apparent if the trans has never been flushed before and has high miles, but in most cases it is beneficial. Burnt fluid is always bad and it means the transmission has gotten hotter than it should.

I flushed the original trans in my Explorer at around 150K miles. The previous owner said the trans was original and had never needed any repairs. I don't know what he did for maintenance, but the trans shifted great before and after the flush. There was no change...and ideally it should be that way. If you notice a significant change in the way your transmission shifts, you probably waited too long to change the fluid.
Reply With Quote
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
How-To: Radiator Flush Using a Flush Kit Redneckstone Engine & Drivetrain 3 07-22-2017 03:46 PM
Transmission Fluid, to flush or not to flush? oxchampion 4.0L OHV & SOHC V6 Tech 10 11-15-2013 01:05 PM
To Flush Or Not To Flush pjschwartz Drivetrain Tech 6 06-02-2011 06:05 PM
to flush or not to flush? wtpbmx2003 4.0L OHV & SOHC V6 Tech 7 05-19-2008 01:08 AM


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 Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -6. The time now is 11:11 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.