GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat

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- - engine/trannie interchange? (https://www.gmforum.com/general-gm-chat-88/engine-trannie-interchange-296404/)

Amerigo

11-22-2010 02:40 PM

engine/trannie interchange?

I have a 1999 Buick LeSabre that needs a new engine and transmission.
My gf has a 1995 Pontiac Bonneville with major body/frame damage.

Can I take the engine &/or transmission from her Bonneville and put it in my LeSabre?

Danthurs

11-22-2010 02:42 PM

I believe the 95 has a series1 engine and the 99 is a series2.

xtremerevolution

11-22-2010 02:49 PM

In otherwords, no, the engines will not swap. You can make it work, but it would all have to be custom (wiring, possible engine mounts, PCM, firewall connector re-pin) and wouldn't be just a simple swap.

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