SECTION 3-H 1957 BUICK ROCHESTER 4-BARREL CARBURETOR 3-27 DESCRIPTION AND OPERATION OF 1957 BUICK ROCHESTER 4-BARREL CARBUROOR General Description The Rochester Model4GC used on the Series 50-60-70 engine is a 4-barrel downdraft type which provides the advantages of a compound installation of two 2-barrel carburetors in one compact unit. See figure 3-75. 1957 Buick [...]
SECTION 3-G 1957 BUICK STROMBERG 2-BARREL CARBURETOR 3-23 DESCRIPTION AND OPERATION OF 1957 BUICK STROMBERG 2-BARREL CARBURETOR General Description The WW-2 Stromberg carburetor used on Series 40 engines is a 2-barrel down draft, offset bowl type. See figure 3-60. 1957 Buick Stromberg WW-2 Carburetor Assembly It contains a float system, idle (low speed) [...]
SECTION 3-F 1957 BUICK CARTER 4-BARREL CARBURETOR 3-20 DESCRIPTION AND OPERATION OF 1957 BUICK CARTER 4-BARREL CARBUROOR General Description The Carter Model AFB carburetor used on the Series 50-60-70 engine is a 4-barrel downdraft type which provides the advantages of a compound installation of two 2-barrel carburetors in one compact unit. See figure 3-40. [...]
SECTION 3-E 1957 BUICK CARTER 2-BARREL CARBURETOR 3-15 DESCRIPTION AND OPERATION OF 1957 BUICK CARTER 2-BARREL CARBURETOR General Description The WGD Carter carburetor used on Series 40 engines is a 2-barrel down draft offset bowl type. See figure 3-17. 1957 Buick Carter WGD Carburetor Assembly It contains a float system, low speed (idle) [...]
SECTION 3-D 1957 BUICK FUEL PUMP 3-11 DESCRIPTION AND OPERATION ON TYPE FU FUEL PUMP Description of 1957 Buick Fuel Pump An AC Type FU fuel pump is used on all engines. The pump assembly is mounted on the right side of the timing chain cover in an inverted position, and the pump rocker arm [...]
SECTION 3-C 1957 BUICK FUEL SYSTEM ADJUSTMENTS AND REPLACEMENTS-EXCEPT IN PUMP AND CARBURETOR ASSEMBLIES 3-7 1957 BUICK AIR CLEANER, GAS FILTER, AND MANIFOLD VALVE SERVICE 1957 Buick Air Cleaner Service A 1957 Buick air cleaner with a dirty element, or with oil that is dirty, too heavy, or too high in the reservoir will restrict [...]
SECTION 3-B 1957 BUICK FUEL SYSTEM TROUBLE DIAGNOSIS 3-4 HARD STARTING OF A 1957 BUICK Improper Use of 1957 Buick Accelerator Pedal To avoid complaints of hard starting, 1957 Buick owners should be advised on the proper use of the 1957 Buick accelerator pedal for starting the engine. When the engine is cold, depress the [...]
SECTION 3-A 1957 BUICK ENGINE FUEL AND EXHAUST SYSTEMS SPECIFICATIONS AND GENERAL DESCRIPTION 3-1 1957 BUICK ENGINE FUEL AND EXHAUST SYSTEMS SPECIFICATIONS General Specifications 1957 Buick General Fuel and Exhaust Systems Specifications Stromberg Carburetor Calibrations IMPORTANT: Calibrations are governed by the CODE number stamped on air horn directly above the fuel inlet. [...]
SECTION 2-G 1957 BUICK ENGINE MOUNTING ADJUSTMENT, FLYWHEEL REPLACEMENT, ENGINE BALANCING 2-25 1957 BUICK ENGINE MOUNTING ADJUSTMENT The 1957 Buick engine and transmission assembly must rest in a .normal position which does not impose any side strain on the three rubber mounting pads. The following procedure may be used to obtain proper adjustment of the [...]
SECTION 2-F 1957 BUICK ENGINE COOLING AND OILING SYSTEMS SERVICE 2-20 1957 BUICK ENGINE COOLING SYSTEM SERVICES Checking and Filling 1957 Buick Engine Cooling System The coolant level should be checked only when the 1957 Buick engine is cold and only enough water should be added to bring the level to the line marked "Filling [...]