AOD Tranny Rebuild: How hard?

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Deleted member 87397

Hey All,

The AOD in my 86 needs rebuilt and I'm tired of waiting on the shop to do it. It's been there for over 2 months and they haven't worked on it yet. All the parts are sitting in the car waiting to be installed. What I want to know is how hard is a non-electronic AOD to rebuild? I'm considering just doing it myself if they don't get to it in the next week or so. I have above average mechanical ability and a healthy amount of patience. I can change heads, a cam, intake whatever. I've never rebuilt and engine, but I'm sure I could do it with a book and a few pointers. So how hard would it be and am I going to have to invest in a bunch of specialty tools to do the job right? I would be taking my sweet time doing the rebuild to make sure everything is done perfectly.
 
Really isn't hard to do, but can get over whelming. If you want to totally rebuild(seal and all) then you will need some special tools. A clutch spring compressor, seal (install) protector, are the main tools, but will also need snap ring pliers and bushing driver kit. But if you want you can just replace the clutches and put it back togther. But when I do it I always replace everything, from seals t bushings. I figure why not since I am already there.


Get the ATSG manual and do alittle reading up on it, if you want to do it yourself. Like I said not too hard, but can get overwhelming.. Just take your time and it can be done.
 
I would rather shoot myself in the nuts with a flare gun while running a 12 mile marathon nude in the snow

I hate working on autos. if you get one thing just the slightest bit dirty and miss it you could put the whole rest of it back to gether perfect and the first time you put it in gear you are screwed. I would rather leave it to someone who does it for a living and I'll just install the thing whole.

I have3 done variouse repairs and mods to some transes.....NOT FUN
 
I rebuilt mine the first try never having looked at an AOD before. I used a 150K 1986 mercury v6 core AOD. Basically getting the beast into the shop is the hard part. After that, it's smooth (but messy) sailing. Once you press the front plate off, it's just unstacking a bunch of drums. These are held together with rings that can be removed with a screwdriver. If it doesnt leak, leave the seals. Prying out and replacing a seal will more likeley make it leak than leaving the old seal in place (unless you have the tool which it doesnt sound like you do)

Add a 2 inch kevlar band and A+ servo at the minimum and a nice shift kit (transgo AOD-hp) as long as it's apart. Keep the workspace clean and you'll be just fine. Remeber to prelube the front and rear seals before it goes back together, dont forget the anti-rattle spring in the top of the case and dont overtorque the valve body bolts.

I love AOD's!! :D