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  #16  
Old 02-20-2011, 10:06 AM
Kmartcivic Kmartcivic is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

Thanks for all the help. Ill be using gear oil. It does have a removable pan on the bottom. Aluminum one with ribs going down it. The repair manual says up to 87 to use 80w so Ill go with that. Im not worried about winter months down here in florida. Its in the 70s right now.
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  #17  
Old 02-20-2011, 10:17 AM
modelageek modelageek is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

Quote:
Originally Posted by Kmartcivic View Post
Thanks for all the help. Ill be using gear oil. It does have a removable pan on the bottom. Aluminum one with ribs going down it. The repair manual says up to 87 to use 80w so Ill go with that. Im not worried about winter months down here in florida. Its in the 70s right now.
your tranny is design for gear oi...l.the cold will not effect it any more than it effects the rest of the truck.........the reason that it effects the other guy is because his tranny is designed for thinner fluid...it has smaller passages etc...........
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2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
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  #18  
Old 02-20-2011, 05:01 PM
oldcarfart oldcarfart is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

wrong lube= trashed tranny. it is a big deal.
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  #19  
Old 02-20-2011, 05:39 PM
pooleo pooleo is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

I have personally seen the effects of the ATF destroy the M5OD (R1 and R2). That is why I run the synthetic gear oil 75w90. I have NEVER seen a trans go bad that had gear oil in it. I can understand car trannies or imports that have such small tolerences they need to run ATF. But an M5OD is not one of those. Ford calls for ATF in hopes that the trans will fail. Manual trannies in our rangers are nothing more than a gear box. I know this will spark up a big O conversation about this issue, but I side with Gear oil. Yes in winter the shifter is sticky, but I let my motor warm up to op temp before I take off. This also allows the tranny to warm up the oil a bit to, the input shaft still turns when the truck is in neutral and is usually fine to drive and does not "stick"
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  #20  
Old 02-20-2011, 09:33 PM
sgtsandman sgtsandman is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

If you haven't done it yet. Call up the dealer and ask. They should know but make sure they know exactly which tranny you are talking about. It could very well use gear oil in it and some of the answers given here are leaning me that way but the dealer is supposed to be the expert, so check with them.
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  #21  
Old 02-21-2011, 05:27 AM
modelageek modelageek is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

Quote:
Originally Posted by pooleo View Post
Ford calls for ATF in hopes that the trans will fail. "
Finally..... someone more cynical then me..... "I like it" I might have to read up on this a little more on BITOG
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2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).

Last edited by modelageek; 02-21-2011 at 06:15 AM.
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  #22  
Old 02-21-2011, 08:58 AM
Kmartcivic Kmartcivic is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

I searched and searched this forever and found nothing anywhere else. I repair manual also calls for 80w up to 87. So mines an 87 so thats what ill put in her. Thanks
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  #23  
Old 02-21-2011, 04:21 PM
L454S L454S is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

I am running Amsoil MTF 30wt. in my 2010. Can't tell any difference in shift quality. I do a lot of boat towing in the heat down here along the gulf coast.

I also tried Mobil 1 syn. ATF for a thousand miles or so, not impressed at all.
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  #24  
Old 02-21-2011, 04:25 PM
modelageek modelageek is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

Quote:
Originally Posted by L454S View Post
I am running Amsoil MTF 30wt. in my 2010. Can't tell any difference in shift quality. I do a lot of boat towing in the heat down here along the gulf coast.

I also tried Mobil 1 syn. ATF for a thousand miles or so, not impressed at all.
I have aquestion........if your tranny failed would it still be under warranty
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2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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  #25  
Old 02-21-2011, 04:38 PM
oldcarfart oldcarfart is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

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Originally Posted by modelageek View Post
I have aquestion........if your tranny failed would it still be under warranty


no warranty if wrong lubricant installed, it is your responsibility to ensure correct fluids in proper place.
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  #26  
Old 02-21-2011, 10:20 PM
L454S L454S is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

True, thought about that. Would drain and put ATF in.
Did a lot of reading and talking with others who have tried the Amsoil MTF before I tried it.
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  #27  
Old 02-25-2011, 06:53 AM
Dantforth Dantforth is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

So, not wanting to beat a dead horse here but.......I have a 2010 2.3l, 5 speed manual transmission. It is under warranty. My manual says "ATF" for the transmission. Has anyone asked Ford why they now use ATF instead of gear oil? Will using synthetic gear oil cause premature failure....and WHY? I see that most feel that if ATF is used then use Amsoil synthetic. I would have thought that the extreme pressures experienced in a manual tranny would call for gear oil? Does someone on this forum not have a direct contact with Ford engineers? I expect that they watch our comments here with some interest. Dave
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  #28  
Old 02-25-2011, 07:13 AM
modelageek modelageek is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

Quote:
Originally Posted by Dantforth View Post
So, not wanting to beat a dead horse here but.......I have a 2010 2.3l, 5 speed manual transmission. It is under warranty. My manual says "ATF" for the transmission. Has anyone asked Ford why they now use ATF instead of gear oil? Will using synthetic gear oil cause premature failure....and WHY? I see that most feel that if ATF is used then use Amsoil synthetic. I would have thought that the extreme pressures experienced in a manual tranny would call for gear oil? Does someone on this forum not have a direct contact with Ford engineers? I expect that they watch our comments here with some interest. Dave
the horse is beaten to death....
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2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
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  #29  
Old 02-25-2011, 06:39 PM
racsan racsan is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

the newer manaul trans have very small oil passages which gear oil will not flow through very well, esp in cold temps. running the wrong oil will shorten the life of the transmission. i had a '85 jeep once with a manual trans that was supposed to have atf in it, i put gear oil in it just because i thought it would be "better" it was hard to shift in winter and by spring the trans was very noisy, even in nuetral, i sold it shortly after that. if its supposed to have gear oil in it, fine. but just dont go putting in gear oil because you think its a better lubricant. likewise, dont put atf in a trans thats supposed to use gear oil, something bad is bound to happen. i suspect there are many manual transmissions made today that use atf over gear oil, oils have come a long ways, when you look at what some automatics are put through as far as loads and temperature, id hardly call atf a inferior lubricant.
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  #30  
Old 02-27-2011, 09:02 AM
Kmartcivic Kmartcivic is offline
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Default Re: 5sp. trans fluid 80w gear oil of ATF?

Well I used 80w gear oil. Shifts like butter. Doesn't grind going into first or reverse anymore. So there it is. This particular tranny goes with 80w. gear oil.
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