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Back from the tranny shop..

 
Post new topic   Reply to topic    NAIOA Impala Forums Forum Index -> 2000-2005 Engine, Exhaust and Transmission
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Jnibbs24
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2003 Chevrolet Impala


PostPosted: Wed Apr 04, 2012 5:12 pm    Post subject:  Back from the tranny shop.. Reply with quote

So I took my car in to get it looked at.
They scanned it with one of those fancy snap on scanners.
came up with these codes.

P0128 Coolant T.
P1811 Max Adapts Long Shift

1-2: 26.01
2-3: 17.5
3-4: 1.25
Lockup: Inhibited.

He basically told me that "0" Is perfect.
So the only gear normal is 3-4.
Quoted me around 2300$ for a rebuild.
But I think I'm going to use another one of my grandpa's connects
back in my hometown. But I'm also contemplating a top swap.. ><

On the plus side, I don't have an annoying CEL light
and I have no hard shifting what so ever and I'm
still getting 280-300Mi on a full tank with mixed driving.

Weeeeeeh!

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richp04impala
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PostPosted: Wed Apr 04, 2012 6:09 pm    Post subject:   Reply with quote

I feel your pain I know mine is due for one soon too my 1-2 shift is horrible and i get harsh shifting, but I dont know any reputable shops out here in ca that wont put cheap ass parts back in Laughing
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VTSS
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2004 Chevrolet Impala
1994 Mitsubishi 3000GT


PostPosted: Thu Apr 05, 2012 10:44 am    Post subject:   Reply with quote

I had similar problems in my 04. It started with slow/long shifts from 1-2 and occasionally 2-3. Then it became harsh shifts, enough to make the car shake each shift. I had already purchased new solenoids to put in when I had some free time.

Once the harsh shifts started I brought it to a local mechanic I have known for years and just had him change the solenoids for me. It runs absolutely perfect now and I havent had any problems since. The new solenoids have been in for around 1500 miles.

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billy101
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2001 Chevrolet Impala
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PostPosted: Thu Apr 05, 2012 12:16 pm    Post subject:   Reply with quote

If you're contemplating a top swap I would do that first and then get a TEP transmission. Those transmission will for sure hold up with all the extra power that comes with the top swap. Otherwise I would keep driving it until it won't move anymore.

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PostPosted: Thu Apr 05, 2012 12:21 pm    Post subject:   Reply with quote

There should be an abundance of good used low mileage 06+ LaCrosse/Allure/Grand Prix/Impala/MC transmissions in the auto wreckers, almost no matter where you live. Typical cost $250-500, then just find a place to install.

If you have a 3800 Impala, a Grand Prix non-supercharged will have a 3.05 diff and most LaCrosse/Allure transmissions have 3.05s as well. If you have a 3400 Impala, getting an 06+ 3500 Impala will get you the same 2.86 diff.

If you want to mix and match at all, very doable with a reprogrammed PCM to correct for the diff ratio.

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00impala123
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2000 Chevrolet Impala


PostPosted: Thu Apr 05, 2012 3:01 pm    Post subject:   Reply with quote

If you want to double check the gearing in the trans, this is a good website.

http://www.gmtuners.com/transmission/index.htm


As will stated, you could upgrade to a higher gearing, or lower gearing if you want (lower= better mpg, higher=better acceleration) and have the PCM programmed for the change. I've been thinking I'm going to upgrade to the 3.69 when I finally get around to my trans rebuild

Most NA 3800 impalas have 3.05 as stated, the ss had the 2.93 I believe the 3400 had the 2.86

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chibiblacksheep
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2000 Chevrolet Monte Carlo
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PostPosted: Thu Apr 05, 2012 3:01 pm    Post subject:   Reply with quote

Were there any good trannys at the shop? Laughing

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00impala123
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PostPosted: Thu Apr 05, 2012 3:02 pm    Post subject:   Reply with quote

chibiblacksheep wrote:
Were there any good trannys at the shop? Laughing


if you're looking, on the northside of chicago in boys town you can find a few... Laughing

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Jnibbs24
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PostPosted: Wed Apr 25, 2012 2:19 pm    Post subject:   Reply with quote

No there wasn't any good ones at the shop.. not in my price range ahhaaa..
we're trying to find it local so myself my dad and uncle can put it in. Mainly i'll just be standing around since I'm sure they won't want to be out there all day watching me fail horribly.. lol

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Pitch Black SS
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2004 Chevrolet Impala
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PostPosted: Wed Apr 25, 2012 3:47 pm    Post subject:   Reply with quote

Jnibbs24 wrote:
No there wasn't any good ones at the shop.. not in my price range ahhaaa..
we're trying to find it local so myself my dad and uncle can put it in. Mainly i'll just be standing around since I'm sure they won't want to be out there all day watching me fail horribly.. lol


if you are going to do the install, then look into TEP. Even if you are going to have a shop install, look into TEP

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Jnibbs24
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PostPosted: Wed Apr 25, 2012 6:48 pm    Post subject:   Reply with quote

I did look into TEP, They have nice ones at a nice price, however, I would like to take my chances on a low mileage tranny for 1/4 the cost..

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