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Transmission Swap #5166847 07/20/19 11:41 PM
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Ponchinizo Offline OP
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I have a 09 Corolla with 171k miles and a dead transmission. The shop is putting in a used one with 73k miles on it, and are giving me a 12k mile, 1 year warranty on the replacement, which I thought was nice. The owner must feel good about this unit, since the yard he got it from only offered him 6 months and he extended it for me.

My question for BITOG is, is there anything different I should do in maintenance for this new transmission, or just stick to the OM for fluid service intervals? I'll be asking what fluid the shop filled it with and will likely be sticking with that. I would just love it if I could put 171k miles on this transmission too, so I may be overthinking this a bit.

The initial failure was a stuck manual valve and the mechanic said it only got worse after they took the valve body off, which I believe is why they are just replacing the whole unit. As always, thanks in advance for your insight.

Re: Transmission Swap [Re: Ponchinizo] #5166852 07/21/19 12:11 AM
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MolaKule Offline
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Originally Posted by Ponchinizo


My question for BITOG is, is there anything different I should do in maintenance for this new transmission, or just stick to the OM for fluid service intervals? I'll be asking what fluid the shop filled it with and will likely be sticking with that. I would just love it if I could put 171k miles on this transmission too, so I may be overthinking this a bit...



Change the fluid every 30k miles with Amsoil ATL, or Redline D6, or MaxLife ATF. Hopefully the shop doing the swap will put in a decent fluid such as Amsoil ATL, Redline D6, or MaxLife ATF.


Last edited by MolaKule; 07/21/19 12:11 AM.

The value of a scientific theory is its ability to prompt further study, not that it has any relation to the established facts of scientific reality.
Re: Transmission Swap [Re: Ponchinizo] #5166879 07/21/19 02:36 AM
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Oro_O Offline
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Quote
I would just love it if I could put 171k miles on this transmission too, so I may be overthinking this a bit.


I'd be awfully disappointed if I only got that out of a quality Aisin transmission that I had maintained properly, and did not abuse. Follow what Molakule said above and you should be able to do much better this time around.

Re: Transmission Swap [Re: Ponchinizo] #5166909 07/21/19 06:03 AM
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atikovi Offline
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Originally Posted by Ponchinizo
The initial failure was a stuck manual valve and the mechanic said it only got worse after they took the valve body off, which I believe is why they are just replacing the whole unit.


So why don't they repair or replace the valve body for a few hundred instead of the whole transmission which I assume is over a thousand?

Re: Transmission Swap [Re: Ponchinizo] #5166950 07/21/19 07:43 AM
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Kira Offline
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I had the same thought.
They tried their basic fix.
Then, when that didn't work out, doing a deeper fix on a 171K trannie made an OK junkyarder seem like a better option?

Re: Transmission Swap [Re: Ponchinizo] #5166979 07/21/19 08:13 AM
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jeepman3071 Offline
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I'd make sure the fluid is clean and do changes every 30k with MaxLife as mentioned above.


2013 Jeep Grand Cherokee TrailHawk 5.7L (144k) - PPHM 5w30, Wix 57899
2009 BMW 328i (46k) - Castrol Edge Euro 0w40, MANN HU816X
Re: Transmission Swap [Re: Kira] #5166980 07/21/19 08:14 AM
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Originally Posted by Kira
I had the same thought.
They tried their basic fix.
Then, when that didn't work out, doing a deeper fix on a 171K trannie made an OK junkyarder seem like a better option?


Depends how much labor is involved to take everything apart.


2013 Jeep Grand Cherokee TrailHawk 5.7L (144k) - PPHM 5w30, Wix 57899
2009 BMW 328i (46k) - Castrol Edge Euro 0w40, MANN HU816X
Re: Transmission Swap [Re: Ponchinizo] #5166985 07/21/19 08:16 AM
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Audios Offline
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Very nice of the owner to extend the warranty, Id definitely go with a used one in that case. Intervals would be in the 40-50k IMO, just for peace of mind.


2002 VW Golf TDI-T5 10/30
2007 Mercedes GL320 CDI- M1 0/30 ESP
2005 BMW M3 BMW Twin Power 10/60
2003 BMW M5-Fuchs 5/40
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Re: Transmission Swap [Re: Ponchinizo] #5167026 07/21/19 08:53 AM
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eljefino Online Content
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If a tranny shop thinks a unit's bad, listen. He's probably seen (and fixed for free) the heartbreak of metal scattered throughout or guts that have been abused by bad hydraulics.

My dad's 05 matrix AWD had a bad tranny and they just swapped it out. Had something to do with the downshifting/ low range mode. He drove it in the snow on the hills of Vermont-- why not use that feature?

You'll be out of warranty by the first change, right?

Re: Transmission Swap [Re: Ponchinizo] #5167073 07/21/19 09:42 AM
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Snagglefoot Offline
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The swapping of used transmissions is super common on old vehicles. The so-called one year warranty is just playing the odds. The consumer wants to feel comfortable they are not paying for a lemon and and the shop knows there is a really good chance it will last a year. It’s a win win situation if the price is right.

Where things go bad is when the shop sells a “rebuilt” transmission that is really just used transmission that checked out on their transmission dyno but is priced as a rebuilt. A good cleaning with a pressure washer and some silver spray paint can make that happen.

Last edited by Snagglefoot; 07/21/19 09:43 AM.

If you want the job done right......do it yourself.
Re: Transmission Swap [Re: Kira] #5167095 07/21/19 10:04 AM
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Ponchinizo Offline OP
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Originally Posted by Oro_O
Quote
I would just love it if I could put 171k miles on this transmission too, so I may be overthinking this a bit.


I'd be awfully disappointed if I only got that out of a quality Aisin transmission that I had maintained properly, and did not abuse. Follow what Molakule said above and you should be able to do much better this time around.


I got this car at 120k-ish and I believe the fluid exchange I did then was the first the car saw, so I can definitely do better this time. I'm happy with how long it lasted knowing I was the first owner to care for it. And I'll absolutely be doing what Molakule said, I was so excited when I saw he replied to my thread. laugh Thanks a bunch all for your advice!

Originally Posted by Kira
I had the same thought.
They tried their basic fix.
Then, when that didn't work out, doing a deeper fix on a 171K trannie made an OK junkyarder seem like a better option?

This was exactly the case. To be honest I prefer the swap over just a new valve body, now I won't be worrying about how little friction material is left on my clutches LOL

Re: Transmission Swap [Re: Ponchinizo] #5167133 07/21/19 10:47 AM
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bubbatime Offline
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Originally Posted by Ponchinizo
My question for BITOG is


The question should be, why are you putting a transmission into a $500 scrap value car with 175K miles on it?


17 Chrysler Pacifica Edge Syn 5W30
13 Yamaha XT250 Valv MC 10W40
10 Acura TSX 2.4 Edge 0W40
06 GMC Sierra SuperTech 10W30


Re: Transmission Swap [Re: bubbatime] #5167147 07/21/19 11:00 AM
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Originally Posted by bubbatime
Originally Posted by Ponchinizo
My question for BITOG is


The question should be, why are you putting a transmission into a $500 scrap value car with 175K miles on it?

https://www.carfax.com/vehicle/JTDBL40EX99019490

It's still worth quite a bit more than $500....

And frankly I prefer keeping a vehicle I already know the maintenance and issues it has had. Engine is doing great, body has no rust on it. Don't ask me how that happened, it's seen 10 Illinois winters. I don't question it. I couldn't buy a nicer car than this one for the price of the transmission swap.

Re: Transmission Swap [Re: Ponchinizo] #5167154 07/21/19 11:08 AM
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dogememe Offline
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Originally Posted by Ponchinizo
Originally Posted by bubbatime
Originally Posted by Ponchinizo
My question for BITOG is


The question should be, why are you putting a transmission into a $500 scrap value car with 175K miles on it?

https://www.carfax.com/vehicle/JTDBL40EX99019490

It's still worth quite a bit more than $500....

And frankly I prefer keeping a vehicle I already know the maintenance and issues it has had. Engine is doing great, body has no rust on it. Don't ask me how that happened, it's seen 10 Illinois winters. I don't question it. I couldn't buy a nicer car than this one for the price of the transmission swap.


Yup. Another used car is always a crapshoot. It's better to fix what you have.


2010 Ford Escape 2.5 ~98K Miles
Valvoline 5W-20 from Valvoline Instant Oil Change.
Re: Transmission Swap [Re: Ponchinizo] #5167163 07/21/19 11:16 AM
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Snagglefoot Offline
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When to scrap a car is an interesting question. I have three vehicles. One I will junk if the tranny goes. Two I’m planning on running to 250,000 miles each, and yes, I’d get a rebuilt or used tranny. Meanwhile I put two kids through college and a third will be done soon. Each has no debt but I drive older vehicles because of it. LOL


If you want the job done right......do it yourself.
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