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Old Aug 21, 2006 | 09:10 PM
  #1  
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Default Automatic Transmission Problems?

Anyone have automatic transmission problems? I think mine may be starting to slip.
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Old Aug 21, 2006 | 09:34 PM
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I think to get the "forum experts" advice you will need to be more specific... I don't know anything about the mechanics of the transmission
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Old Aug 22, 2006 | 12:23 AM
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Originally Posted by filmelf
Anyone have automatic transmission problems? I think mine may be starting to slip.
This happens all the time, especially to modded vettes, you just may not hear it but there are guys out there who regularly are putting trans's in these cars...

What is it doing exactly? Reving up and not accelrating? When are you having this problem, at what speed and driving conditions.. ?
-=Rick
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Old Aug 22, 2006 | 12:30 AM
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My 2000 a4 with 32000 miles is getting a tranny overhaul right now. $2100 is getting me a rebuild with performance upgraded parts that will easily hold up to 500 horsepower for later mods. Its just my way of turning something bad into something good.

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Old Aug 22, 2006 | 02:14 AM
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Works fine about town and hwy but if I punch it it waits a sec before it goes and the other day seemed to hang between shifts.

I don't recall it doing that before.
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Old Aug 22, 2006 | 06:05 AM
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90,000 miles and I am on my 3rd. This one is starting to slip going from 1st to 2nd. And it is a built up tranny. Stock engine.
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Old Aug 22, 2006 | 06:38 AM
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I went through that.

Did shift points and shift pressure via Predator first. That was OK.
Returned the tune to stock and installed a B&M shift kit and it was OK.
Then a Trango shift kit. Lost 2nd gear and lots of slipping. Very frustrating.
After 3 more forays into the valve body, and a bunch of new GM parts that I discovered were worn, I finally got the 2-4 band to apply enough pressure and it shifted OK. But still not what I wanted.

So I sold the stock A4 and bought a Rodney (RPM) race tranny. Night and day difference from the old slush box. Instaneous shifts, lights the tyres in 1st and then at 1-2 shift and 2-3 shift all day long (along with a SS3600 and 3.90 gears)

Do yourself a favour : spend the loot for a Stage 5 RPM tranny. Money well spent.


Last edited by EG@EnglandGreen; Aug 22, 2006 at 06:40 AM.
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Old Aug 22, 2006 | 07:28 AM
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Originally Posted by EnglandGreen
I went through that.

So I sold the stock A4 and bought a Rodney (RPM) race tranny. Night and day difference from the old slush box. Instaneous shifts, lights the tyres in 1st and then at 1-2 shift and 2-3 shift all day long (along with a SS3600 and 3.90 gears)

Do yourself a favour : spend the loot for a Stage 5 RPM tranny. Money well spent.


If you need to have your tranny re-built, then go with an upgrade. IMHO it is worth the $$$.

Side Note to EG: With your HP, that TC, & 3.90 rear, road racing could cause over-heating problems, that happened to me once I became proficient at driving.
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Old Aug 22, 2006 | 11:24 AM
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My A4 went out around 75k miles. At the end, no matter what the RPM I was always going about 65... Extended warranty got me a factory rebuilt with 100k mile warranty.
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Old Aug 22, 2006 | 02:04 PM
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[QUOTE=EnglandGreen]

Do yourself a favour : spend the loot for a Stage 5 RPM tranny. Money well spent.

If you don't mind me asking, where did you buy it and at what price?

Thanks for the information.
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Old Aug 22, 2006 | 02:24 PM
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Originally Posted by filmelf
Originally Posted by EnglandGreen

Do yourself a favour : spend the loot for a Stage 5 RPM tranny. Money well spent.
If you don't mind me asking, where did you buy it and at what price?

Thanks for the information.
It is a RPM Stage 5 transmission. It cost $2500 plus core (included additional upgrades I asked for). I bought it through ECS (East Coast Supercharging).

www.rpmtransmissions.com

Last edited by EG@EnglandGreen; Aug 22, 2006 at 02:29 PM.
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Old Aug 22, 2006 | 10:35 PM
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My A4 went twice within one year. First time at 11,000 and the second time at 13,000. Both times the General Paid. But the fight was not easy.
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Old Aug 22, 2006 | 11:23 PM
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Thanks EG!!! Thats a lot less than I thought it would be.
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Old Aug 23, 2006 | 12:38 PM
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Originally Posted by VetteTech81

What is it doing exactly? Reving up and not accelrating? When are you having this problem, at what speed and driving conditions.. ?
-=Rick
Revs and not accelerating, then takes off (rolling start from about 20-30 mph). Seems okay with out a strain put on it.

Thanks for any assistance or suggestion.
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Old Aug 23, 2006 | 03:36 PM
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Originally Posted by EnglandGreen
It is a RPM Stage 5 transmission. It cost $2500 plus core (included additional upgrades I asked for). I bought it through ECS (East Coast Supercharging).

www.rpmtransmissions.com

did u pay 2500 to ecs all up>?> (along with your core)
or pay ECS labour ontop of the 2500?

my tranny seems ok to shift, but when i reverse from park, or go to accell from N to 1, from the lights from standing still, i get a little shudder momentarily in the innards i guess, but it seems midcabin? - but no delays - the shudder has a slight rattle noise that doesnt last nor cause any stickyness or slackness in movement....


the cost of 2500$ plus core sounds OK if it includes labour, otherwise id still like to know what the ballpark for that would be...

cheers!
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Old Aug 23, 2006 | 03:43 PM
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Does not include labour. I never quote labour charges.

It was $2500 plus core because I asked for some additional bits - ARP bolts, different clutches, additional hardened parts etc.

If you buy it directly from Rodney (RPM), the Stage 5 4L60E is $1995 plus core with no additional upgrades.
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Old Aug 23, 2006 | 04:05 PM
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mine went at 45k, had my tranny guy rebuild it with all the stuff from the stage 5 setup plus a few extras, for 700hp nitrous / Twin turbo setup...
Price 3200 installed, 2000 just in parts and converter, 1200 labor.

make sure you use Amsoil tranny fluid, accept no substitue!
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Old Aug 24, 2006 | 02:27 AM
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tx, ill speak with chris...
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Old Aug 25, 2006 | 01:35 PM
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Originally Posted by filmelf
Works fine about town and hwy but if I punch it it waits a sec before it goes and the other day seemed to hang between shifts.

I don't recall it doing that before.
i have noticed my a4 hang between gears if i have let off the gas pedal just a little bit it seems to confuse the tranny...and seems to hang up a second or two ...the slow delay for downshift seems normal for operation w/o a tune...........my a4 has 100,000 miles sofar,
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Old Aug 25, 2006 | 01:55 PM
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Mine is doing ok for 150K miles. Definately due for a Stage 5! Saving my bucks as we speak!

Currently running with modified shift pressure and faster shift timing to stock. On a high speed shift from first to second at WOT with the tires smoking I get some slip. but under normal hard acceleration she is fine.

Sitting still in first and mashing it she does not hesitate and smokes the tires. I think I got one of the good ones out of the plant plus I change the fluid and clean the screens once a year since she was new.

Not stock, on the dyno I have about 385 RWHP.
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