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Another trans fluid thread....oh great!

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Old Jul 29, 2005 | 06:21 PM
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Another trans fluid thread....oh great!

Hey guys, I have a 2000 V10 4x4, 90k. I've changed the transmission fluid 2 times already with Mercon V. So I start reading the threads about fluid on the forum here. Everything I've read says NO MERCON V. So I start freakn out. What gives? Am I missing something?
Thanks.
 
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Old Jul 30, 2005 | 08:04 PM
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You're not missing anything, you are correct. No MERCON V in the 4R100, unless you want it to die an early death.
 
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Old Jul 31, 2005 | 10:41 AM
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Are the PSD transmissions different than the V10?

I called the Ford service dept and they told me Mercon V. I have 91k so I guess it can't be all that bad.
 
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Old Jul 31, 2005 | 10:47 AM
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What about a synthetic, like royal purple or the like?
 
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Old Aug 1, 2005 | 03:10 PM
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I paid $300 to get synthetic oil in my transimssion. I pull a 24' enclosed trailer and also pull older muscle cars on my flatbed trailer. The EX has 106,000 miles. It was changed at 86,000 miles with synthetic and it is still a nice color. It was filthy before it was changed.
 
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Old Aug 1, 2005 | 03:27 PM
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I use synthetic too. Mobil1. MERCON-only rated. Not MERCON V.
 
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Old Aug 1, 2005 | 05:25 PM
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Freaked Out

Is Ford wrong or what? They told me Mercon V in the trans and transfer. I am going to switch to Amsoil next time but I'm pissed if they gave me **** poor info. Plus, I have 91k and don't want the trans to go boom!
 
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Old Aug 2, 2005 | 02:35 AM
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Ford isn't wrong...the Ford DEALER is.

Here's the FORD TSB concerning tranny fluid usage.

http://www.v8sho.com/SHO/TSB01157ATFUsageChart.htm

Using MERCON V in your tranny will not cuase it to go boom overnight (as you can clearly see) but it will eventually toast your tranny. I'd change it sooner than later...

Oh...and a 4R100 is a 4R100 no matter what engine sits in front of it.
 
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Old Aug 2, 2005 | 12:02 PM
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Thanks Monsta!

You would not believe the BS I get from the dealers. 3 outta 4 say Mercon V. No wonder people are having trans problems. Anyway, I used Valvoline DuraBlend ATF. I know its dual purpose but it says: Fluid engineered to meet manufacturer's warranty requirements for General Motors DEXRON® III and Ford MERCON® and MERCON® V specifications. Should that be OK for a few days?
I'm ordering some Amsoil today to change it and the transfercase.
Thanks for your help,
Chris
 
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Old Aug 2, 2005 | 01:09 PM
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i use the Royal Purple in the Tranny. It works great!! I pull a lot of weight and it is very hot in south Alabama. I have nothing but great things to say.

John in Mobile
 
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Old Aug 2, 2005 | 02:21 PM
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Dual rated fluids are NOT to be used in the 4R100 either. Careful with the AMSoil...well...I only say that in case someone is reading this who is still under warranty. I've never read/heard one case where the AMSoil caused a tranny failure due to its dual rated(ness).

However, if the tranny is under warranty then I'd ONLY use MERCON. period.
 
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Old Aug 2, 2005 | 02:43 PM
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Monsta...what do you use?
 
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Old Aug 2, 2005 | 11:26 PM
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BTW. when you change it, only put in what you are able to get out. I drained mine and made the bad asumption that the capacity sheet was correct in the manual.

I was so pissed when about a gallon spilled onto the street becuase the book lied. It was off by about two gallons!!.

I had to drain a bunch out.
 
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Old Aug 3, 2005 | 02:44 AM
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Originally Posted by cbaillie
Monsta...what do you use?
With only 1300 miles on my current Excursion it still has the factory fill. At 30K it'll be filled with Mobil 1 ATF.
 
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Old Aug 3, 2005 | 02:44 AM
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Originally Posted by 2002X
BTW. when you change it, only put in what you are able to get out. I drained mine and made the bad asumption that the capacity sheet was correct in the manual.

I was so pissed when about a gallon spilled onto the street becuase the book lied. It was off by about two gallons!!.

I had to drain a bunch out.
Did you drain the Torque Converter?
 
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