A4od vs. E4od ?
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A4od vs. E4od ?
I have an 89 F350 4x4 with a bad A4od will a E4od work for replacement?
Can anyone tell me the difference between the two?
Can anyone tell me the difference between the two?
Last edited by dezracer; Jan 21, 2005 at 09:18 AM.
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First, we are talking about automatic transmissions, right?
Check a little closer. The transmissions to which I think you are referring are the AOD and E4OD. I doubt that an F350 came with an AOD, I don't know. I bet you are looking at an E4OD or maybe a C6. Is it a 3-speed or a 4-speed?
We used to have a tech article about transmission identification. It had pictures and bolt counts and made it easy. Look around you may find the article.
Check a little closer. The transmissions to which I think you are referring are the AOD and E4OD. I doubt that an F350 came with an AOD, I don't know. I bet you are looking at an E4OD or maybe a C6. Is it a 3-speed or a 4-speed?
We used to have a tech article about transmission identification. It had pictures and bolt counts and made it easy. Look around you may find the article.
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The AOD didn't come in F350's that I am aware of. The AOD has 14 bolts around the pan and is a manually operated 4-speed overdrive auto. To my knowlege, AOD's did not come with the big-block bellhousing bolt pattern, so to hook it up to a 460, an adapter would be needed.
There is also an AODE, pretty much the same trans but with an electronically operated overdrive gear and also has 14 bolts around the pan.
The E4OD has 20 bolts around the pan and all of them are 4-speed electronic overdrive. To my knowlege, the E4OD did not show up in F350's untill '92, but it came in F150's as early as '89.
The C6 is a 3-speed auto with no overdrive and has 17 bolts around the pan.
To my knowlege, the only auto trans to come in F350's of these years ('92-'97) are the C6 and the E4OD. The C6 came in earlier models as well. Your '89 F350 should have a C6 automatic in it, unless someone swapped a different transmission into it. The trans code on the driver's door sticker is 'G' for the C6 and 'E' for the E4OD.
There is also an AODE, pretty much the same trans but with an electronically operated overdrive gear and also has 14 bolts around the pan.
The E4OD has 20 bolts around the pan and all of them are 4-speed electronic overdrive. To my knowlege, the E4OD did not show up in F350's untill '92, but it came in F150's as early as '89.
The C6 is a 3-speed auto with no overdrive and has 17 bolts around the pan.
To my knowlege, the only auto trans to come in F350's of these years ('92-'97) are the C6 and the E4OD. The C6 came in earlier models as well. Your '89 F350 should have a C6 automatic in it, unless someone swapped a different transmission into it. The trans code on the driver's door sticker is 'G' for the C6 and 'E' for the E4OD.
Last edited by SoCalDesertRider; Jan 21, 2005 at 07:51 PM.
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