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Here is where we shall Index those threads that are key for the slush-box folks. If you see something that should be added, PM me or another Mod.

4L60E->4L80E TCM adapter

DIY: 4L65e T42 to 4L80e adapter board Radio Shack up your own adapter, 05/6 only. By GNXClone

Easier 4L80e swap by GTO Eric

B&M Cooler install


Transmission TECH INFORMATION CODES ETC by Performabuilt


An excellent resource for how your A4 functions, what DTC's affect the trans, as well a full list of DTC's and other random minutiae.

Torque Converter Lock Up Education by Transman

Exactly as it says, TQ converter function and operation.

How Gearing affects Top Speed
A quick reference chart to show how gearing of the trans and diff as well as tire size affects non-drag limited top speeds. With link to the gearing calculator excel file that generated the charts, so you can load non-stock ratios to account for THM350/400 or non M80 diffs.

Trans stuck in Park? CHeck this first
10 A fuse, slot 15 under dash.
 

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X2!!! on the gearing
 

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Dat...Ass....
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2,411 Posts
Konnie that first link for the 4L60e->4L80e is dead
 

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My trans seems like it doesnt want to go into gear but when it finally does it bangs into gear. Anyone have any thoughts?
 
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