Autozone, Advance auto , NAPA any local parts store should carry them for about $70 remanufactured
On the 2000 model, keep the exhaust manifold and the intake manifold. The rest of it will sit in there just like the old one did.....Buy exhaust manifold gasket for 2000 model. It will cover the EGR port to close it off.
buy a longer axle and put bearings on one side of the axle
best thing to do is go buy a repair manuel.such as haynes or chilton.
You can buy and OEM CV axle kit at most auto-parts stores. Most national auto-parts stores have the axle kit available. The OEM axle kit will be about half the price of the dealership price.
rebuild the motor or buy a crank kit and install it.
you cant. buy a new motor.
1aauto.com carries them for your vehicle. I included a link below to them for you. Hope this helps you out.
Buy a new CV Axle Halfshaft and a new axle nut comes with it.
buy a Buick
the dealer or a salvage yard are the only two places i know of
you cant, its not made to come off ,you have to buy anew water pump
Buy a bracket at auto parts