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Old 02-11-2011, 07:40 PM   #1 (permalink)
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better tranny

i have a 2006 impala LT 3.5 v-6 and as you all know the trannys are very fragile and mine is starting to slip ... now here is the question ... is there a better tranny that you can buy for this car or am i going to be stuck with a rebuild?

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Old 02-12-2011, 02:01 AM   #2 (permalink)
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You can't use a different kind, if thats what you're asking. But you can get a rebuild from someone who knows how to build it correctly, and I'll tell you now that isn't GM. Triple edge performance is the outfit most of these guys like, I'm not 100% sure whether or not they do 8th gen trannies, but probably, they are damn near identical, though not interchangeable.

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Old 02-12-2011, 11:04 AM   #3 (permalink)
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thank you ^ i was just hoping to get something stronger than what i have... guess i'm stuck

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Old 02-12-2011, 03:38 PM   #4 (permalink)
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Triple edge builds with stronger parts, and corrects factory issues with fluid flow that lead to problems. Most of the trans failures I have seen were due to internal seal and bearing failures, due to low grade factory materials that wear too quickly. Strength isn't really the issue, its materials.

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1978 Caprice Classic Landau
350 2-bolt, stock 4bbl
Stock rebuilt TH350
Edelbrock performer cam + intake
Dual 2 1/2" Flowmaster exhuast (waiting to be installed)
Edelbrock IAS Classic shocks
95 9C1 3.08 posi
4 wheel disc brakes!
16x8 American Racing Baja's with 225/60/16 Pirelli P4's

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Old 02-21-2011, 01:08 AM   #5 (permalink)
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Quote:
Originally Posted by kingnutin View Post
Triple edge builds with stronger parts, and corrects factory issues with fluid flow that lead to problems. Most of the trans failures I have seen were due to internal seal and bearing failures, due to low grade factory materials that wear too quickly. Strength isn't really the issue, its materials.
thats interesting and nice to know. I mean it sucks that they are failing because gm is trying to cut costs but its also nice to know if you get the right people to rebuild it it could turn out better than before.

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Old 02-22-2011, 10:58 AM   #6 (permalink)
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Its nothing new, quality control went down the tubes back in the 70's and never returned. Best thing you can do is be educated about the problems.

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1978 Caprice Classic Landau
350 2-bolt, stock 4bbl
Stock rebuilt TH350
Edelbrock performer cam + intake
Dual 2 1/2" Flowmaster exhuast (waiting to be installed)
Edelbrock IAS Classic shocks
95 9C1 3.08 posi
4 wheel disc brakes!
16x8 American Racing Baja's with 225/60/16 Pirelli P4's

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Old 03-03-2011, 12:29 PM   #7 (permalink)
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thanks. i was going to ask this. for some reason my dad swapped a chevy blazer with a bad tranny for an 06 impala lt. i heard that the 06 impalas have trouble with trannys as well. if i want to do the tranny replacement by myself and order on off say the triple edge performance site how hard would it be? ive never done anything with a transmission.

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Old 03-03-2011, 12:34 PM   #8 (permalink)
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I really have never heard of a transmission failure on the 3.5L... i dont think it makes quite enough HP to break things, but hey I could be wrong. its your $$$. But a TEP transmission will end up costing your about $3000 when all is said and done. (shipping to your location, plus the cost of shipping your current transmission back for a COR, not to mention removal and installation costs).

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Old 03-03-2011, 01:09 PM   #9 (permalink)
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transmission failure on the 3.5l 2006 impala are pretty bad from what i heard. maybe its just me. every once in-a-while when it shifts it gets pretty jerky. i dont know if thats very bad?

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Old 03-03-2011, 01:13 PM   #10 (permalink)
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About the same price to have the dealer put one in, but then you get a 100k 5yr warranty.

I take care of 6 8th gens all with the 3.5 here at work, and every one of them has had a tranny go bad at least once. It's happened between 70k-130k, but since these are for security patrol I think heat is most of it.

Anyway, if you have never replaced a transmission, I wouldn't recommend one of these as your first, there is a lot involved.

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1978 Caprice Classic Landau
350 2-bolt, stock 4bbl
Stock rebuilt TH350
Edelbrock performer cam + intake
Dual 2 1/2" Flowmaster exhuast (waiting to be installed)
Edelbrock IAS Classic shocks
95 9C1 3.08 posi
4 wheel disc brakes!
16x8 American Racing Baja's with 225/60/16 Pirelli P4's

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Old 03-03-2011, 01:24 PM   #11 (permalink)
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Quote:
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About the same price to have the dealer put one in, but then you get a 100k 5yr warranty.

I take care of 6 8th gens all with the 3.5 here at work, and every one of them has had a tranny go bad at least once. It's happened between 70k-130k, but since these are for security patrol I think heat is most of it.

Anyway, if you have never replaced a transmission, I wouldn't recommend one of these as your first, there is a lot involved.
im around 68k and my dad got it used around 40k. i am pretty rough with it sometimes,but generally to get to class or somewhere on time. as it shifts sometimes there is a slight jerk.im pretty sure thats not good. im pretty noob at cars just wondering what is a good place to it done or how to go about this.

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Old 03-03-2011, 03:30 PM   #12 (permalink)
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Well, first off, it ain't dead yet. You may very well get a lot more life out of it, but then you may not. I would at least wait until the symptoms are worse before replacing the trans.

When it does go, you have to weigh your options and decide what works best for you. We've already told you what the cost is going to be, but its up to you whether or not its worth it. $3k is a lot of money to put into a car, but if you plan on having it around for a long time, it can be worth it. That being said, if it were me, I'd probably go to the dealer. TEP will build a better tranny, but the dealer has a better warranty that includes labor. The guys here that use TEP typically have a lot of performance mods, and a stock trans won't really hold up to any extra power, plus it might void GM's warranty.

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1978 Caprice Classic Landau
350 2-bolt, stock 4bbl
Stock rebuilt TH350
Edelbrock performer cam + intake
Dual 2 1/2" Flowmaster exhuast (waiting to be installed)
Edelbrock IAS Classic shocks
95 9C1 3.08 posi
4 wheel disc brakes!
16x8 American Racing Baja's with 225/60/16 Pirelli P4's

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Old 03-03-2011, 09:25 PM   #13 (permalink)
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Well its pretty new. Im not even sure if its a tranny problem though? How would i get it checked out to be sure?

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Old 03-04-2011, 05:39 AM   #14 (permalink)
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Quote:
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I take care of 6 8th gens all with the 3.5 here at work, and every one of them has had a tranny go bad at least once.
Wow that is truly astonishing.

I know 4 people who all have 3.5L impalas and they have never had an issue. Although I dont think that they are quite up to 70K yet, and most of their driving is hwy cruising speeds.

That really is crazy. Everyone I talked to would always blame the common transmission failures on the SS and it being overpowered. Sounds more like the transmission is just garbage to begin with.

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Old 03-04-2011, 09:42 AM   #15 (permalink)
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Quote:
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Wow that is truly astonishing.

I know 4 people who all have 3.5L impalas and they have never had an issue. Although I dont think that they are quite up to 70K yet, and most of their driving is hwy cruising speeds.

That really is crazy. Everyone I talked to would always blame the common transmission failures on the SS and it being overpowered. Sounds more like the transmission is just garbage to begin with.
Now you're getting it!

If you're very gentle with them, they can last. The real problem is GM's cheapness. They use crappy metal, in fact I wouldn't be a bit surprised if they use the same crap they make the rotors out of. From what I have seen, it starts with the input drum wearing around the sealing surface, this causes a slip from take-off. Since this slip causes it to essentially slam into gear whenever you take off, eventually it shatters the gears and the whole thing just locks.

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1978 Caprice Classic Landau
350 2-bolt, stock 4bbl
Stock rebuilt TH350
Edelbrock performer cam + intake
Dual 2 1/2" Flowmaster exhuast (waiting to be installed)
Edelbrock IAS Classic shocks
95 9C1 3.08 posi
4 wheel disc brakes!
16x8 American Racing Baja's with 225/60/16 Pirelli P4's

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