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Ford A4LD transmission rebuild diary - How to rebuild Ford A4LD

Con Seann3ry

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City, State
Eugene, Oregon
Year, Model & Trim Level
94 XLT
Allright...newb question. Can you give a brief explanation of how auto trannies work or if you have a website that it explains it or something.
 


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dogfriend

Human-Animal Hybrid
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'97 Sport 4x4
Originally posted by Glacier991
I am saving this space for a short discussion about snap rings. I am more and more believing that SNAP rings, of all kinds, are somethnig that you should NOT re-use. I have some pix to illustrate this, and I'll add them as soon as I get time.

Considering the relatively low cost of most snap rings vs. the damage that can occur if one fails - I would put reusing them in the "false economy" catagory.
 




Con Seann3ry

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City, State
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94 XLT
Hey thanks a lot glacier, I really appreciate it. That site is awesome...I've spent all night reading about everything I ever wondered about. Now i just need the experience :)
 




Glacier991

EF Tranny Guru
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City, State
Sacramento, CA 95827
Year, Model & Trim Level
1992 XLT
Final aspect of teardown

Well, as I write this I am already starting into th rebuild, but the onething we didn;t do in this teardwn part of this thread is tear down the pump/bellhousing. No a lot to it. Remove the pump allen head bolts (6mm)

15286Dscn4276-med.jpg


Here's the pump gearset and the pump body once removed

15286Dscn4277-med.jpg


Here's the pump separator plate coming off with the pump removed
15286Dscn4279-med.jpg


And the end of the bellhousing underneath

15286Dscn4280-med.jpg


This was a rebuild... I'll show you in a bit how I know.... but the pump shaft showed ascarsof eccentric rotation (eg lack of beng centered)... I'll post a couple pics hoping to show it... here's the first, see the wear ?

15286Dscn4281-med.jpg


heres the 2nd

15286Dscn4282-med.jpg


And here is the infamous bushing - this one has had some wars... scarred

15286Dscn4284-med.jpg


ok, I had been told this was rebuilt. But I KNEW it was once I had lookd in the bellhousing.
Like rings on a tree, the number of "stake marks" (4 per build) give it away. This seal shows 10 ...equals at least one rebuild.

15286Dscn4286-med.jpg


We will be exchanging the bellhousing for one with a line bored bushing and a new seal.... so with this, the teardown is complete. On the rebuild I will try and show how to DIY parts of the seal and bushing replacement... BUT ....the only right way is to get it line bored.. on this point I AM resolute. Disgree if you like, but GET IT LINE BORED! Or be sorry.
 




Glacier991

EF Tranny Guru
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Glacier991

EF Tranny Guru
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City, State
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Year, Model & Trim Level
1992 XLT




Glacier991

EF Tranny Guru
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City, State
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Year, Model & Trim Level
1992 XLT
Another bump to regroup
 




Glacier991

EF Tranny Guru
Moderator Emeritus
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Messages
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City, State
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Year, Model & Trim Level
1992 XLT
one ... probably last, bump to regroup
 




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