Question about 1996 Buick Riviera

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Need to replace supercharged engine and trans. in a 96 Riviera

I am going to replace both the supercharged 3.8 and transmission in a 96 Riviera. Should I pull them out the top or drop the cradle and lift the car taking the engine/trans out the bottom. Any tips, timesavers or laborsaving ideas would be greatly appreciated. Also, any suggestions on what to replace before I do the install? Already doing spark plugs, valve cover & oil pan gaskets & considering axle seals in trans.

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Faster and safer to drop the whole unit from the bottom with the cradle. Replace the supercharger snout bearing and seal before you install the replacement engine and the supercharger belt. Also replace the boost valve to your transmission just to ensure your getting the proper transmission line pressure throughout your transmission.
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Posted on Jun 02, 2010

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Posted on Jan 02, 2017

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((My thoughts: cold START valve IAC at very bottom))

Plenty of places will do FREE diagnostic code reads.

I would rather suggest it be a muffler shop than
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