A8 Trans update
John Cody Forbes
cody at 5000tq.com
Mon Mar 16 04:59:30 PDT 2009
ELSAWin has that too. Seriously ELSAWin has been a life saver on this thing.
It's got info right down to the last bolt in this transmission, very
detailed, plenty of Bentley style drawn 'pictures', diagrams, etc.
Definately worth the hassle of installing.
-Cody Forbes
Dave wrote:
> cody, you probably already have a ton of emails on this, but the self
> study guide for the 01l transmission has the fluid and
> solenoid/clutch state diagrams for all gears. let me know if you
> haven't got this, i think i've got a scanned copy laying around
> somewhere.
>
> cheers
> dave
> '03 rs6
> '04 allroad tdi
>
>
> On 16/03/09 7:56 PM, "quattro-request at audifans.com"
> <quattro-request at audifans.com> wrote:
>
>> "John Cody Forbes" <cody at 5000tq.com> wrote
>>
>> http://jcforbes.com/jcfpics/a8trans_3-15-09
>>
>> Well that actually went rather well. I'm realising that the captions
>> for the photo's are a good tool, so text is the e-mail is getting
>> less useful ;-). Had I not slept in this morning there's a good
>> chance I would have had the trans completely back together today.
>> Now the larger issue is that I don't THINK there is anything else
>> that can cause issues, but I don't know that for a fact. I've been
>> through ELSAWin and the family album a few times and it looks like
>> the only valves, pistons, and solenoids are in the pump and the
>> valve body. From what I can see all passage ways lead back to those
>> two areas and are clear. Even so it's still a big gamble to spend 9
>> or 10 hours to put the trans back in and then have to spend that
>> taking it back out again if this fails!! Of course I bet those times
>> are going to down now that I figured out what I'm doing.
>>
>> I'm thinking that I may try to build a little bracket to bolt to the
>> torque converter with a half inch drive socket on it. I could at
>> least spin the trans up and see if it pumps oil as somebody else
>> suggested. I know that in the car it didn't pump oil at all since
>> the oil level didn't change depending on if the engine was running
>> or not. ELSAWin does have a chart as to which solenoids should be
>> open and closed for each gear so if I can find a wiring diagram I
>> guess I could even shift it into a gear and see what happens.
>>
>> Alas it must wait because I have to put a lower control arm on my
>> better half's 5000 tomorrow night, then Tuesday the shop must be
>> closed up by 5pm. The suspense is killing me and it's only been
>> building for a few hours!
>>
>>
>> Question for the list: This trans failure has nothing to do with the
>> 'normal' A8 trans problems since this one is a victim of foreign
>> object damage, not it's own failure. Anybody out there have any clue
>> what DOES fail on these things? At this rate I could sell this car
>> for a 1,000% profit (not kidding, and it would still be a good deal
>> for the buyer) and go get another one and start over.
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