4T80-E questions.... (Aurora) - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-21-2007, 01:17 AM   #1
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Default 4T80-E questions.... (Aurora)

Ok, So I decided to pass on the Eagle Vision in my other thread, as they decided all of a sudden they wanted $1200 for it.

Anyways, someone tipped me off to a possibly free '97 Olds Aurora. Problem is that the transmission is failing at only 98k (estimated). Is this a common thing for the 4T80-E to fail, or is this a result of abuse? IF I do happen to get the car and determine the tranny to be dead, are they hard to find (JY unit) or am I gonna have to shell out for a rebuilt? Thanks.
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Old 08-21-2007, 02:00 AM   #2
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I am under the assumption that Mr Ed Morad might have one laying around.....
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Old 08-21-2007, 02:09 AM   #3
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4t80E failure isn't nearly as common as 65E failure. It could be abuse, or it could just be a fluke. It'* hard to tell. Over at ACNA we don't really have a whole lot of 80E failures to mention.
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Old 08-21-2007, 02:20 AM   #4
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It'* about the most bullet proof FWD tranny GM has made... The hard parts are much bigger than the 4t-65e-hd'*, the diff is a monster...

They're not as common in a JY either, but not impossible to find i'm sure.
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Old 08-21-2007, 09:02 AM   #5
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The biggest problem will probably be swapping it w/o a lift. Being built about the same as a caddy.. you probably have to drop the engine/trans/subframe and lift the car off it to swap out.
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Old 08-21-2007, 10:32 AM   #6
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IMO, it probably was abused. I've known him for 3 years, and since then, he'* gone through 3 cars:
Grand Prix GT - Totaled
Aurora - Tranny died
Accord V6 - Still running, but he revs it RIGHT up to the redline (he didn't with the Aurora, since the V6 is a stick)

Take it as you will, but I believe that he only went around 4k miles in it. I'll be looking at it hopefully tomorrow night.
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Old 08-21-2007, 10:38 AM   #7
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Quote:
Originally Posted by BillBoost37
The biggest problem will probably be swapping it w/o a lift. Being built about the same as a caddy.. you probably have to drop the engine/trans/subframe and lift the car off it to swap out.
Yeah I really don't mind dropping the cradle. That will give me a excuse to clean up the crowded engine bay and such. My dad'* friend has a lift in his huge garage, and i can lift the car off the subframe and go on from there.
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Old 08-21-2007, 11:05 AM   #8
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The 4L/T80-E is the electronic version of the TH400. You have to try and kill them IMO
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Old 08-21-2007, 11:31 AM   #9
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Hmmmm..................That strong eh?

I'll find out about the situation.
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Old 08-21-2007, 12:21 PM   #10
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What are the specs of the 4.0L in the Aurora?
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