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2005 Grand Prix GT Bad Transmission Replace

Old 03-12-2019, 12:55 PM
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Default 2005 Grand Prix GT Bad Transmission Replace

We have an 05 GP GT that needs a transmission.... I do not know much about auto transmissions... I can pull them and put them back, but I do not know "about" them very well..... I have the possibility of a good transmission from a wrecked 2006 Buick Lucerne.... The transmissions look identical...... will this work in our 2005 GP? Before I pay the money for this transmission, I want to make sure it will work.....
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Old 03-12-2019, 02:04 PM
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Originally Posted by dandyd View Post
We have an 05 GP GT that needs a transmission.... I do not know much about auto transmissions... I can pull them and put them back, but I do not know "about" them very well..... I have the possibility of a good transmission from a wrecked 2006 Buick Lucerne.... The transmissions look identical...... will this work in our 2005 GP? Before I pay the money for this transmission, I want to make sure it will work.....
I'm thinking they are a direct interchange but you may want to call the dealer to be sure. I'm not positive if the TCM will need to be programmed with the correct gear ratios.
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Old 03-12-2019, 04:27 PM
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Lucerne V8 or V6?

You have to check the ratios of each transaxle to get it right.

What'* wrong with the one in the GP now?
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