1937-42 (15th->20th Series) - FUEL & EXHAUST
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| Subject | Application | Document |
Accelerator Sticks in Open Position (Electromatic) linkage catches on clutch cable pulley - spring out of place | 19th-20th | |
Air Cleaner Cover Pads, Loose poor mileage - restricted air passage | (not specified) | |
Air Cleaner Oiling Instructions, AC SAE 50 discontinued - alternate products | (not specified) | |
Air Cleaner, Oil-Bath - Effect of...on Economy new natural fiber, restricted from pack-down - proper cleaning | (not specified) | |
Air Cleaners - Effect on Fuel Economy clogging - proper cleaning | (not specified) | |
Air Cleaners excess oil, leaks - distributor wires shorted | 1803-3A-4-5-6-7-8 | |
Air Cleaners, Oil Bath oil-fouled spark plugs - overfilled cleaner | (not specified) | |
Air Cleaners, Oil Bath seasonal oil selection | (not specified) | |
Carburetion - Super Eight/120 low speed stumble - drill out idle tubes, stretch accelerator pump spring | 1801; 1803-3A-4-5-6-7-8 | |
Carburetion stumble under light throttle - additional field modifications | 1803-3A-4-5-6-7-8 | |
Carburetor and Camshaft production profile change - new carburetor required | 1803-3A-4-5-6-7-8 | |
Carburetor: Chandler-Groves Pump Seal Puller new special tool - procedure | 1600; 1700 | |
Carburetor: Choke stalling, loading, flooding, cold weather operation - checks/adjustments, proper operation | (not specified) | |
Carburetor: Choke Adjustment excessive fuel consumption, unloader operation - plugged screen, stuck piston | 1901-1A; 1951; 20th; (21st-23rd) | |
Carburetor: Choke Screens, Cleaning poor performance, choke not open - clogged screen (WDO) | 1901-1A; 1951; 20th-23rd | |
Carburetor: Chokes, Sticking hard starting, loading up - gummed shaft, cleaning | (not specified) | |
Carburetor: Cleaning Caution use of compressed air - air horn removal required | (not specified) | |
Carburetor: Cold Stalling Due to Carburetor Icing explanation - prevention | (all models) | |
Carburetor: Cut-Out, High Speed fuel starvation, Chandler Groves - new design float needle/seat | 1600 | |
Carburetor: Dirt in fuel pump strainer disc separation - loose nuts | 18th | |
Carburetor: Economizer Valve Inspection Cover new special tool - Chandler-Grove carburetors | 115C, 1600 | |
Carburetor: Float Level Gauge new special tool - instructions | 1200; 1300; 1400; 120C; 115C; 1500 | |
Carburetor: Gasket Equipment sets now available - part reference | 905-6; 1001-2-3-4-5-6; 1100-1-2-3-4-5-6-7-8; 1200-1-2-3-4-5-7-8; 1400-1-2-3-4-5-7-8; 120-120C; 115C; 15th | |
Carburetor: Gasket Equipments complete gasket sets - now available | 905-6; 10th-14th; 120-120C; 115C; 15th | |
Carburetor: Gasket Sets now available | 17th | |
Carburetor: Gasket Sets, New - Stromberg | 1601-2 | |
Carburetor: Gasket Sets, New production change - early/late, identification | 1600 | |
Carburetor: Idling Adjustment idle quality - idle air bleeder enlarged - redrill in field | 1903-3A-4-5-6-7-8 | |
Carburetor: Miss, Pick-Up flat-spot/stumble, hot, Chandler Groves - new longer accelerator pump link | 1600 | |
Carburetor: Motor Miss insect debris entering float bowl vents, Chandler-Groves - fabricate/install baffle | 1600; (1700) | |
Carburetor: Overchoking loading during warm-up - adjustments reiterated, fast idle cam rod, new thermostats | 18th | |
Carburetor: Overchoking loading up. rolling - checks/adjustment, Super Eight choke piston modification, heat valve adjustment | 18th | |
Carburetor: Overchoking loading up. rolling - insufficient heat, choke valve sticking | 18th | |
Carburetor: Settings - Stromberg model reference | 120-138CD; 1601-2; 1701-2; 1801-1A; 1901-1A | |
Carburetor: Settings visual identification - reference chart | 905-6; 10th-14th; 120-120C; 115C; 15th | |
Carburetor: Special Tools new required tools - choke setting, float level gauges | 1803 | |
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Carburetor: Tightening die-cast parts - air leaks | (all models) | |
Carburetor: Tools new tools - Stromberg | 1700-1-1A-2 | |
Detonation - Super Eight main metering jet size reduced, improves performance/consumption - octane reiterated | 1703-5 | |
Exhaust Noise Bumper Guards | (Not Specified) | |
Fuel Economy, Notes on carburetor adjustments, choke operation, heat control valve spring, octane | (not specified) | |
Fuel Pump Air Dome improper installation - metal chips in pump, carburetor | 1700-1-1A-2 | |
Fuel Pump Air Dome new tee fitting included - eliminates drilling | 1700-1-1A-2 | |
Fuel Pump Filter new disc type, interchangeable with screen type - cleaning | 17th | |
Fuel Pump Inlet Hose weak flow, twisted/restricted - proper installation, telltale | (not specified) | |
Fuel Pump Noise kinked/restricted hose or tube | (not specified) | |
Fuel Pump Repair Kit, Motor new kit available - Seniors | ?901-2-3-4-5-6; 10th-15th; 1603-4-5-7-8 | |
Fuel Pump Screen edge type - cleaning/inspection | (not specified) | |
Fuel, Anti-Knock Super Eight, Twelve motors, performance/mileage, octane/timing | ?9th-16th | |
Fuels Super Eight, Twelve motors - performance/economy, octane/timing reiterated | ?9th-16th | |
Gas Consumption in Cold Weather wartime rationing - shortening warm-up period | (all models) | |
Gas Mileage. Checking handling complaints, gas-per-mile gauge | (all models) | |
Gas Tank Removing proper procedure | 19th | |
Gas Tank, To Remove proper procedure, bend frame lip - production change | 2004-05-07-08-20-21-23 | |
Gasoline expected changes in octane, volatility - effects, compensation | (all models) | |
Gasoline Economy rationing - carburetor adjustments, float level, spark advance, octane | (all models) | |
Gasoline Economy spark advance, carburetor jets - operating conditions | (all models) | |
Gasoline Gum sticky engine valves - formation, prevention, proper cleaning | (all models) | |
Gasoline Mileage Testing new special tool - installation/use, accuracy | (all models) | |
Gasoline Tank - Parts List Correction applications corrected | 18th | |
Gasoline, Low Octane spark knock, preignition - remedies, trade-offs | (all models) | |
Gasoline, Oil in low oil consumption, sticking valves - oil as an additive, rust inhibitor | (all models) | |
Gasoline, Water In ice formation - cleaning, prevention | (all models) | |
Heat Control (Valve), Automatic engine performance - operation, checks and correction | 1001-2-3-4; 1100-1-2-3-4-5; 1200-1-2-3-4-5; 1400-1-2-3-4-5; 120-138CD; 115C; 1500-1-2; 1600-1-1A-1D-2-3-4-5; 1700-1-1A-2-3-3A-5; 18th-21st | |
Heat Control (Valve), Check That sticking, adjustment - repair kits available | 1001-2-3-4; 1100-1-2-3-4-5; 1200-1-2-3-4-5; 1400-1-2-3-4-5; 120-138CD; 115C; 1500-1-2; 1600-1-1A-1D-2-3-4-5; 1700-1-1A-2-3-3A-5; 18th-20th | |
Heat Control Valve, Carburetor sticking, carbon/corrosion - shaft clearance | 1001-2-3-4; 1100-1-2-3-4-5; 1200-1-2-3-4-5; 1400-1-2-3-4-5; 120-138CD; 115C; 1500-1-2; 1600-1-1A-1D-2-3-4-5; 1700-1-1A-2-3-3A-5; 18th-20th | |
Heat Control Valve, Sticking proper diagnosis - rust, lubrication, spring tension | 1001-2-3-4; 1100-1-2-3-4-5; 1200-1-2-3-4-5; 1400-1-2-3-4-5; 120-138CD; 115C; 1500-1-2; 1600-1-1A-1D-2-3-4-5; 1700-1-1A-2-3-3A-5; 18th-20th | |
Idle, Engine - Twelve mounting changed - shim for service | 1207-8; 1406-7-8; 1506-7-8; 1607-8 | |
Idle, Poor vacuum booster leaks - cover gasket, diaphragm checks | 17th | |
Knock, Fuel hot weather, reduced octane - checks/adjustments | (not specified) | |
Linkage Equipment, Carburetor Control choke, start switch, clutch issues - lost motion, service parts kit (all models) | 20th | |
Linkage Equipment, Carburetor Control choke, start switch, clutch issues - lost motion, service parts kit (Electromatic) | 20th | |
Linkage, Lost Motion in Throttle starting difficulty - effect on starter switch, choke | 1951; 20th; (21st-26th) | |
Miss, High Speed fuel starvation - install Super Eight air dome | 1700-1-1A-2 | |
Muffler Corrosion condensation, short trips | (not specified) | |
Muffler Outlet Tube, Exhaust - Now Available had been difficult to procure | 1700-1 | |
Muffler, Exhaust - Now Available previously difficult to procure | 2000-10; 2100-30 | |
Muffler, Exhaust front tube now attached - part reference | 1500-1-2-7-8; 1603-4-5-7-8 | |
Vapor Lock operating temp, seasonal gasoline grade, pump pressure - checks, remedies | (all models) | |
Vapor Lock warm weather - reiterated | (all models) | |
Winter Driving, Preparing Cars for fuel system checks and maintenance | (all models) | |
Winter Motor Temperatures slower driving, shorter trips, fuel economy - radiator/grille covers, higher temperature thermostat | (all models) |
SC = Service Counselor | SL = Service Letter | STB = Service Technical Bulletin | SSB = Studebaker Service Bulletin |
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