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An Index to Service Information for 1935-37 Junior (120->115C) Packards

1935-37 Junior (120->115C) - FUEL & EXHAUST

SubjectApplicationDocument
Accelerator Pedal Spring
breakage- new grooved clevis
120
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, Conventional vs. Oil Bath
relative merits - when to wash
120
Air Cleaner, Oil Bath
cylinder block life
(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 - Oil Bath
Importance, Availability
120
Air Cleaners, Oil Bath
seasonal oil selection
(not specified)
Air Cleaners. Oil Bath
oil-fouled spark plugs - overfilled cleaner
(not specified)
Carburetor Gasket Equipment
complete gasket sets - now available
905-6
10th-14th
120-120B
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 Identification
exterior differences - illustrated
905-6
10th-14th
120-120B
Carburetor Settings
reference chart - illustrated
905-6
10th-14th
120-120B
Carburetor Settings
visual identification - reference chart
905-6
10th-14th
120-120C
115C
15th
Carburetor Stromberg Socket Wrenches - Special Tool
special sale pricing - tool description
905-6
10th-14th
120-120B
Carburetor: Carter Tools
new complete set - reference
120C
Carburetor: Choke
stalling, loading, flooding, cold weather operation - checks/adjustments, proper operation
(not specified)
Carburetor: Choke, Automatic
drain hole location clarified - now in production
115C
Carburetor: Choke, Automatic
low temperature, recalibration - spring wind-up, proper rod/link length
120B
Carburetor: Choke, Automatic
sticking on fast idle, overchoking - moisture/rust in choke chamber, add drain hole
115C
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: Economizer Valve Inspection Cover
new special tool - Chandler-Grove carburetors
115C,
1600
Carburetor: Float Level Adjusting
service procedure - recommended tool
120
Carburetor: Float Level Gauge
new special tool - instructions
1200;
1300;
1400;
120C;
115C;
1500
Carburetor: Fuel Level Gauge
special sale pricing - tool description
120
Carburetor: Gasket Equipment
complete gasket sets - now available
120-120B
Carburetor: Gasket Equipment
complete gasket sets - now available
905-6;
10th-14th;
120-120B
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: Identification
exterior differences - illustrated
905-6;
10th-14th;
120-120B
Carburetor: Main Discharge Nozzle Wrench
new special tool - access to jets for removal/cleaning
115C
Carburetor: Settings - Stromberg
model reference
120-138CD;
1601-2;
1701-2;
1801-1A;
1901-1A
Carburetor: Settings
reference chart - illustrated
905-6;
10th-14th;
120-120B
Carburetor: Settings
visual identification - reference chart
905-6;
10th-14th;
120-120C;
115C;
15th
Carburetor: Stromberg Socket Wrenches - Special Tool
special sale pricing - tool description
905-906;
10th-14th;
120-120B
Carburetor: Tightening
die-cast parts - air leaks
(all models)
Chandler Grove Carburetor Service
Information
115-C
Exhaust Noise
Bumper Guards
(Not Specified)
Fuel Economy, Notes on
carburetor adjustments, choke operation, heat control valve spring, octane
(not specified)
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 Screen
edge type - cleaning/inspection
(not specified)
Fuel Pump Shroud, New Type
revised installation - part reference
120-120B
(exc. RHD)
Fuel Pump, Combination
dual-action, oil consumption - new rocker arm oil seal, exchange pump service
120-120B
Fuel Pumps Loose
oil leaks, knock broken fuel line - new studs and castellated nuts
120C;
115C
Gas Consumption in Cold Weather
wartime rationing - shortening warm-up period
(all models)
Gas Line Clogged or Vapor Lock?
thorough cleaning required
120
Gas Mileage. Checking
handling complaints, gas-per-mile gauge
(all models)
Gas Tank - Now Available
had been difficult to procure
120-120BA
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
excessive consumption, overchoking - choke screen clogged
115C
Gasoline Mileage
fill-up variations, driving conditions - ignition timing
120
Gasoline Mileage
high speed consumption, Chandler Groves - new accelerator pump outlet valve
115C
Gasoline Mileage Testing
new special tool - installation/use, accuracy
(all models)
Gasoline Tank Gauge - Short Cuts on Service Operations
removal - without dropping tank
120
Gasoline Tanks
buckle noise, rough roads - wooden reinforcing strips
120
Gasoline, Gum in
vehicles in storage/shipment - draining/cleaning reiterated
(all models)
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)
Gasoline, Water in
water trap - installation clearance
(not specified)
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
slow warm-up, poor performance - check sticking valve, spring tension
120-120B
Heat Control Valve Spring
slow warming up, disconnected spring - rebend free end, proper wind-up
120C;
115C
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
Heat Control Valves
carbon formation, spring disengaged - production changes, field modifications
120-120C;
115C
Idle, Motor
poor quality - ignition/carburetor adjustments
120
Idle, Motor
revised spark plug gap - check idle speed
120
Knock, Fuel
hot weather, reduced octane - checks/adjustments
(not specified)
Muffler Backfire Stromberg, high speed deceleration - drill out idle tube, new vent hole
120C
Muffler Corrosion
condensation, short trips
(not specified)
Muffler Outlet Tube
auxiliary muffler eliminated - new plain tube
120C
Mufflers, No Credit On
shell is hammered/damaged - suggested removal
(not specified)
Scientific Equipment and Data in Diagnosing Service Complaints, Use of
over-all motor check-up - starting/charging, carburetion
(all models)
Starting, Cold
automatic choke engagement- proper procedure
115C
Starting, Hard
choke failing to close - bevel valve edges
115C
Vacuum Booster Diaphragm
replacement interval - excessive oil consumption
12th-14th;
120-120B
Vapor Lock - Fuel Pump Shroud
Installation
120
Vapor Lock - Percolation
Carburetor Changes, Larger Fan
120C, 115C
Vapor Lock
operating temp, seasonal gasoline grade, pump pressure - checks, remedies
(all models)
Vapor Lock
percolation - carburetor/parts modifications
115C
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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