SECTION 3-C 1952 BUICK FUEL SYSTEM ADJUSTMENTS AND REPLACEMENTS - EXCEPT IN PUMP AND CARBURETOR ASSEMBLIES 3-7 1952 BUICK AIR CLEANER AND GAS FILTER SERVICE 1952 Buick Air Cleaner Service An air cleaner with a dirty element, or with oil that is dirty, too heavy, or too high in the sump, will restrict the air flow [...]