how to replace a radiator in a 1996 buick regal
where is temperature switch on 1996 buick regal
Google 1996 Buick Regal Custom and see.
how to replace master cylinder on 1996 buick regal
Call a GM Dealer's service center. They will know.
A free vacuum diagram for a 1996 Buick Regal can be found in its manual. It can also be obtained at an auto part store, as a print off.
With proper maintenance probably forever