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Why does my car do this!!??

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Old Dec 15, 2010 | 11:24 PM
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Exclamation Why does my car do this!!??

So my car is a 99 A4 4l60e TA with a yank SS3600, 3.42 gears, bolt ons, tuned by frost. etc..

The other day i was in traffic and moving slowly maybe 20 mph then i stepped on it to switch lanes quickly and my car climbed rpms to above 5000 rpms before it hooked. I now notice it happens at various speeds whenever i floor it or step on it hard sometimes i let off because it climbs to high and not pulling.. I thought at first my tranny could be gone but it is still shifting 1..2..3..4 on D very well and solid. Im scarred it might be something big. Could this be because of my yank SS3600???

I dont really step on it when im driving so i dont know how long this could of been going on for. Oh also, i havent replaced my spark plugs in a while, ive been waiting to replace my mids for longtubes to do it. Tranny has about 15k on rebuild and 3k on stall. Oil looks and smells fine.

Thanks in advance for the help!!!!
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Old Dec 16, 2010 | 07:00 AM
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I assune the RPMs go up because you are on the gas? Or is the car doing this by itself?

How old is your torque converter? Did you get a new one with the rebuild?
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Old Dec 16, 2010 | 04:38 PM
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unfortunatly it sounds like your converter is on its last leg....check your fluid and hope its not a line pressure clutch issue
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Old Dec 16, 2010 | 08:08 PM
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If I were you I'd have that converter checked....STOP driving it. About 8 years ago I had a 3 month old converter (VIG 3700) start doing that ****, I kept driving it for a day or too trying to figure out what it was.

Cruising steady at 45 mph the sumbitch literally came apart inside and disintegrated......and it took out my 4 month old BRAND NEW FLP IV tranny.

.
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Old Dec 17, 2010 | 07:33 PM
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Originally Posted by BOA279
unfortunatly it sounds like your converter is on its last leg....check your fluid and hope its not a line pressure clutch issue
How would i know its a pressure clutch issue and how do i check it??
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Old Dec 17, 2010 | 07:36 PM
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Originally Posted by LS6427
If I were you I'd have that converter checked....STOP driving it. About 8 years ago I had a 3 month old converter (VIG 3700) start doing that ****, I kept driving it for a day or too trying to figure out what it was.

Cruising steady at 45 mph the sumbitch literally came apart inside and disintegrated......and it took out my 4 month old BRAND NEW FLP IV tranny.

.
That sucks! ima try and not drive it to avoid that horrible situation. Hopefully is not that expensive to get it fixed up by yank so i don't have to buy a new one.
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