ATF Change

[PaulyWally]

I've got a 94' Mustang GT with AODE transmission. I picked it up last year, and I'm wanting to change the ATF. Question is, what type of fluid should I use if I don't know what's in the transmission right now (synth vs non-synth). TIA!

 

[Greasymechtech]

You don't need to know whats in the transmission

You just need to find a fluid that meets/exceeds/matches whatever spec is in the owners manual.


I'd use Amsoil ATF, Redline D4, or Mobil1 ATF

https://www.mobil.com/en/lubricants...s/our-products/products/mobil-1-synthetic-atf
https://www.amsoil.com/p/signature-series-multi-vehicle-synthetic-automatic-transmission-fluid-atf/
https://www.redlineoil.com/d4-atf

 

[CKN]

Change the fluid and cross your fingers. That transmission is not one of Ford's shinning moments.

 

[ruhroh]

It should have came with Mercon from the factory. Ford updated the recommendation to Mercon V in the mid 00s.

I'd just toss in Maxlife or similar ATF and be done with it... or maybe a TES668/295 fluid.

 

[PaulyWally]

Change the fluid and cross your fingers. That transmission is not one of Ford's shinning moments.

Yeah. I never had great luck with Ford's automatic transmissions. This one is slipping frequently. I put Shudder Fixx in it at the end of last year. Drove it briefly before storing it for winter. Seemed to take care of it for the short time I drove it. But it's back in full force. So I'm going to drain, new filter, fill, and maybe replace a quart with Lucas Transmission Fix.

I'm not terribly hopeful on it. And I've got a manual 5 speed on the sidelines that I'll swap in if worse comes to worse. Just want to see how much longer I can use the AODE. Not that I really want to. Just don't want to swap the transmission just yet. Too many other projects I want to work on first.