What transmission fluid for a 93' AOD. - TCCoA Forums
 
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post #1 of 27 (permalink) Old 08-08-2006, 11:01 PM Thread Starter
 
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What transmission fluid for a 93' AOD.

I've seen everybody say Mercon V, but I recall it being different for the 93? I'm not sure. Thanks
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post #2 of 27 (permalink) Old 08-08-2006, 11:17 PM
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I use standard dexIII and a bottle of red lubeguard in those. I have heard of many different things being used from hydraulic oil to merconV. I can't say i have seen problems with any of it excluding the Type F which I do not suggest.
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post #3 of 27 (permalink) Old 08-09-2006, 08:24 AM
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I have a bunch of DexIII, Motorcraft brand, that you can have for real cheap. I got stuck with a dozen and a half quarts one time when I was changing the fluid on my wife's truck. It's taking up space in my garage.
Where do you live? You interested?
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post #4 of 27 (permalink) Old 08-09-2006, 10:19 AM
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Where do I get Red Lubegaurd? Will Lucas hurt the tranny?

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post #5 of 27 (permalink) Old 08-09-2006, 10:34 AM
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Quote:
Originally Posted by bad93bird
Where do I get Red Lubegaurd? Will Lucas hurt the tranny?
I know CarQuest carries it. My dad has brought bottles of it home before. Here's a link to their US suppliers:
http://www.lubegard.com/automotive/f...pplier_us.html

Lubegard's website (the red variety):
http://www.lubegard.com/automotive/trans_atf.html

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post #6 of 27 (permalink) Old 08-09-2006, 11:49 AM Thread Starter
 
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Quote:
Originally Posted by Grasshopper
I have a bunch of DexIII, Motorcraft brand, that you can have for real cheap. I got stuck with a dozen and a half quarts one time when I was changing the fluid on my wife's truck. It's taking up space in my garage.
Where do you live? You interested?
Hey man, I appreciate the offer. I live out in Harrah (Small crappy town kind of far away), and I have a bunch of store credit at Autozone anyways. Thanks anyways though. Thanks to the other replies too, Mercon Tre it is.

EDIT: And is there a subsitute for the redguard (Not available in my area), or do you absolutely recommend it?

Last edited by bill-murray; 08-09-2006 at 11:57 AM.
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post #7 of 27 (permalink) Old 08-09-2006, 12:26 PM
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Lubeguard is available in any area, napa,advance,autozone all the major stores carry it.
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post #8 of 27 (permalink) Old 08-09-2006, 12:35 PM
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Quote:
Originally Posted by bad93bird
Where do I get Red Lubegaurd? Will Lucas hurt the tranny?
I and others use Lucas in our Towncars with no ill effects. Some use Lubeguard red.
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post #9 of 27 (permalink) Old 08-09-2006, 12:52 PM Thread Starter
 
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Oh, I was unaware autozone carried it. If I can't find it I'll go with Lucas then. Thanks again
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post #10 of 27 (permalink) Old 08-09-2006, 12:54 PM
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That not hardly the same thing the red lubeguard will extend the fluid life and prevents the valves from sticking. I've heard good things about the lucas oil additive but for transmissions it is worthless to me.
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post #11 of 27 (permalink) Old 08-09-2006, 02:10 PM
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As Alan is the man on transmissions I would go with his advice.
I put the Lucas Transmission Fix in my TownCar with 4R70W at 120,000 miles as others with older TC have recommended to help extend life. It is supposed to reduce heat and foaming, prevents valves from sticking and extend fluid life. I had no symptoms so didn't notice any difference, figured it wouldn't hurt. The stuff is thick going in and I don't think I would put it in a new transmission.
I have run Mercon V with no additives in my Tbird since I got a new transmission.
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post #12 of 27 (permalink) Old 08-09-2006, 04:13 PM
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Sounds good. I was just curious. Fixing to get a rebuild and was wondering if I should add anything to it?

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post #13 of 27 (permalink) Old 08-10-2006, 11:12 AM
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I add one bottle of red lubguard to all my services of non electronic trans.

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post #14 of 27 (permalink) Old 08-15-2006, 08:20 PM
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originally, your car was made withe mercon iii. now, i switched to mercon v in my 93 when i had it, but i made sure the tranny was completely drained of all the old stuff first...including the torque converter. i had no issues once switched to mercon v. little heads up though....ford is discontinuing mercon iii permanently(inside info), so eventually, you'll have to switch to mercon v anyways if you stick with motorcraft fluids.

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post #15 of 27 (permalink) Old 08-15-2006, 09:22 PM
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Actually ford is going to suggest using standard mercon like in the 4r100's in vehicles that do not use merconV. Thats what I heard at least. Good thing dex III will be available aftermarket for another 20 years or so.
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post #16 of 27 (permalink) Old 08-16-2006, 07:56 AM
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It's gettin hard to find III around here. I've never heard of dex.

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post #17 of 27 (permalink) Old 08-16-2006, 08:21 AM
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dex = dexron

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post #18 of 27 (permalink) Old 08-16-2006, 09:07 AM
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fyi

Quote:
Originally Posted by Grasshopper
I have a bunch of DexIII, Motorcraft brand, that you can have for real cheap. I got stuck with a dozen and a half quarts one time when I was changing the fluid on my wife's truck. It's taking up space in my garage.
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post #19 of 27 (permalink) Old 08-25-2006, 12:24 AM
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yeah, we discontinued motocraft dexIII at advance, i got it for $1 a quart

advance brand isnt really that good though, i changed mine out in march, and its already crappy. dex V is full synthetic, so i dont see how it could hurt

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post #20 of 27 (permalink) Old 08-25-2006, 07:38 AM
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So if the Mercon Dex III is on its way out, what do we use?

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post #21 of 27 (permalink) Old 08-25-2006, 08:33 AM
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Ford is not going to license the formulation for Mercon anymore, only allowing third parties to make Mercon V. I don't know what this means for the 4R100 crowd, maybe Ford will continue to produce it?

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post #22 of 27 (permalink) Old 08-25-2006, 05:43 PM
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I guess I may keep the bottles of III that I have...
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post #23 of 27 (permalink) Old 08-25-2006, 05:58 PM
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I still buy it by the case everyday. The dealer may not sell it but they are not the only source.
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post #24 of 27 (permalink) Old 08-25-2006, 08:51 PM
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Dex= GM. Ex: Dexcool= GM orange coolant, Dexron= GM trans fluid. I'm surprised they don't have Dexstop and Dexsteer and Dexwash...

But seriously, Ford will not license Merc III anymore, but will still license Merc V?
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post #25 of 27 (permalink) Old 08-28-2006, 07:44 AM
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Sooooo..... switch to Merc V? And redlube guard?

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post #26 of 27 (permalink) Old 08-28-2006, 08:33 AM
 
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I am having the torque converter shudder, too, as any other Ford owner has. I was going to change the fluid in my 1994 and put the Mercron in it with a bottle of Lucas. I love the Lucas transmission additive. But, now I see some people talking about this redlube guard. Does it really matter? Either way, I need to change my fluid soon as this shuddering is REALLY getting on my nerves. I have to drive half throttle most of the time to keep it from shuddering at 30 - 40 mph. Half-Throttle = speeding.
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post #27 of 27 (permalink) Old 08-28-2006, 08:35 AM
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You have a 4r70w use merconV only in that transmission. If merconV doesn't cure it you likely have a converter clutch issue. Check the plugs and wires.
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