Transverse means mounted sideways, like 95% of car engines are these days. Cadillac was the only company in the world mounting V-8 engines transversely starting in the mid-80s.
However, your Eldo does not have a transverse engine. It's a traditional mounting, also called 'longitudinal.'
The radiator tablets are a sealer/supplement available at any GM dealer. They come in a blister pack of 4 or 6, depending on the application. Essentially it's Bars Leak Gold Seal Powder in a pill form, which you crush and put in the radiator each time you change the coolant. It's an essential maintenance item for all 4.x engines.
However, your Eldo does not have a transverse engine. It's a traditional mounting, also called 'longitudinal.'
The radiator tablets are a sealer/supplement available at any GM dealer. They come in a blister pack of 4 or 6, depending on the application. Essentially it's Bars Leak Gold Seal Powder in a pill form, which you crush and put in the radiator each time you change the coolant. It's an essential maintenance item for all 4.x engines.