Repair guides and support for the fifth-generation Century, a series of front-wheel drive coupes and sedans manufactured by Buick.
Derrick Nicholson @derricknic95137
Rep: 1
Posted: Jul 18, 2019
Is it r12 or r134a 1990 century custom 3.3
Is this a good question?
Tony @fixnpop59
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That’d be R12 for all Century engines produced during model years 1985 through 1991.
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