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  #1  
Old 07-10-2013, 12:47 PM
matteusclement matteusclement is offline
Ford Motor Company
 
Join Date: Jun 2013
Posts: 142
Default Changed Differential Oil & Transmission Fluid

I have a 1992 ranger with 350,000KM on it.

last night I change both the differential oil and the tranny fluid.

The Differential oil smelled so rotten that I almost puked and I have an iron stomach! Obviously it had never been changed. I added Lucas Oil Stabilizer to the mix, about half a bottle (15-20OZ).

I also added lucas ATF repair fluid to the tranny. I thought I was a little low (i think i am leaking at the rear seal) but I was about 20oz short.

A day later and I am already noticing a peppy truck that it happy with new fluids.

For such an easy job, it sure made a big difference.
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  #2  
Old 07-10-2013, 03:22 PM
dvrich dvrich is offline
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Default Re: Changed Differential Oil & Transmission Fluid

It's great that you changed out the nasty fluids but the "Big" performance difference is just psychological.
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  #3  
Old 07-10-2013, 03:55 PM
matteusclement matteusclement is offline
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Default Re: Changed Differential Oil & Transmission Fluid

I didn't say that I was driving a street racer now.

My 5th gear has been causing me grief since I got the truck and I can now use it without issue. No more bucking, choking or bad behavior.
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  #4  
Old 08-24-2013, 06:29 PM
sethmandy2009 sethmandy2009 is offline
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Default Re: Changed Differential Oil & Transmission Fluid

I have a 2002 ford ranger 4x4 with over 100,000 miles. My manual said to use 80w 90 but when I was changing the oil to the rear differential a tag was attached saying use ONLY 75w 140. So question is, which do I use? I don't want to ruin it
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  #5  
Old 08-24-2013, 06:31 PM
96_4x4_XLT 96_4x4_XLT is offline
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Join Date: Mar 2013
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Default

Quote:
Originally Posted by matteusclement View Post
I have a 1992 ranger with 350,000KM on it.

last night I change both the differential oil and the tranny fluid.

The Differential oil smelled so rotten that I almost puked and I have an iron stomach! Obviously it had never been changed. I added Lucas Oil Stabilizer to the mix, about half a bottle (15-20OZ).

I also added lucas ATF repair fluid to the tranny. I thought I was a little low (i think i am leaking at the rear seal) but I was about 20oz short.

A day later and I am already noticing a peppy truck that it happy with new fluids.

For such an easy job, it sure made a big difference.
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If not have fun buying a new trans

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  #6  
Old 08-24-2013, 06:32 PM
OhioMike OhioMike is offline
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Posts: 2,761
Default Re: Changed Differential Oil & Transmission Fluid

Quote:
Originally Posted by sethmandy2009 View Post
I have a 2002 ford ranger 4x4 with over 100,000 miles. My manual said to use 80w 90 but when I was changing the oil to the rear differential a tag was attached saying use ONLY 75w 140. So question is, which do I use? I don't want to ruin it
I'd go by the tag because maybe the rear differential was swapped before.
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  #7  
Old 08-25-2013, 06:34 AM
MajorWedgee MajorWedgee is offline
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Default Re: Changed Differential Oil & Transmission Fluid

Quote:
Originally Posted by sethmandy2009 View Post
I have a 2002 ford ranger 4x4 with over 100,000 miles. My manual said to use 80w 90 but when I was changing the oil to the rear differential a tag was attached saying use ONLY 75w 140. So question is, which do I use? I don't want to ruin it
You must have a FX4 Level II, with the torsen diff, and 31 spline axles, those are the only ones that had those tags. Use 75w140 synthetic.
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