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An Index to Service Information for 1937-42 (15th->20th Series) Packards

1937-42 (15th->20th Series) - RADIATOR & COOLING

SubjectApplicationDocument
Anti-Freeze
production mix - future shortages, alternate product
20th
Anti-Freeze Restriction
(all models)
Anti-Freeze Solution
acceptable types/brands - characteristics
(all models)
Anti-Freeze Solution, Care of
expected shortage - rust inhibitor
(all models)
Anti-Freeze Solution, Injurious
limitation order - damaging products
(all models)
Anti-Freeze Solutions
re-use of saved ethylene glycol permitted - strengthening, reinhibitor
(all models)
Anti-Freeze Solutions, Care
wartime shortage - use, testing, renewing, storing
(all models)
Anti-Freeze Solutions, Care of
future availability, saving - follow supplier recommendation
(all models)
Anti-Freeze Tester, New Type
for new Prestone type - specific gravity changed
(all models)
Anti-Freeze, Alcohol as an
ethylene glycol replacement - thermostat, leaks, non-pressure cap for 19th-20th
(all models)
Anti-Freeze, Draining
future availability, discarding - rust inhibitor additive for water
(all models)
Antifreeze in Factory Car Shipments
Prestone shortage, shipped with alcohol - high reading thermostats, heater equipment
120C;
115C;
15th
Bearings, Care of Ball and Roller
installation/removal damage - proper support
(all models)
Cleaning Water Systems
scale/rust, overheating - chemical cleaner, rust inhibitor
(all models)
Cleaning Water Systems
scale/rust, overheating - chemical cleaner, rust inhibitor
(all models)
Cleaning Water Systems
scale/rust, overheating, delayed cleaning - chemical cleaner
(all models)
Cooling System, Care of the
hot spots, detonation - inspection/flushing, rust inhibitor
(all models)
Cradle Assembly, Radiator Core - Parts Book Correction
specified number not serviced - alternate
(not specified)
Fan Belt Renewal
shorter belt life - inspection
(all models)
Fans, Heavy Duty
low speed cooling - applications expanded
1700-1-1A-7;
1800-1-1A;
1900-1-1A;
1951;
2000-01-11;
2100-01-11-30
STB 49T-14 (Zones only)
Fans, Service
severe use - new extra-capacity, oversize fan
1600-1
Hose Cutter, Rubber
new special tool - bulk hose
(NOTE: page missing from archived document)
(all models)
Hose, Radiator Inlet (Upper)
molded hose not available - new bendable straight hose
19th-20th
Hose, Radiator Upper (Inlet)
split, collapsed - sealed systems cap failures
18th-20th
Leaks, Repairing Cooling System
Wonderweld utility item - proper use
All Models
Overheating
Prestone anti-freeze - use of higher concentration
All Models
Radiator Caps, Pressure
for use with special pressure radiators - function, checks
1800-1 (w/ AC);
1803-3A-4-5-6-7-8
Radiator Drain Cock
location change - more accessible
1600-1-2
Radiator Shutter Thermostats
low-temperature application expanded - revised specifications
(NOTE: page missing from archived document)
16th
Radiator Shutter Thermostats
lower temperature for 1600-1, alcohol antifreeze - part reference
(NOTE: page missing from archived document)
16th
Radiator Shutter Thermostats
specifications, identification - part reference
6th-14th;
120CD-138CD;
15th-16th
Radiator Shutter Whistle
partly open - quicker thermostat, new blade assemblies
(NOTE: page missing from archived document)
1500-1-2-6-7-8
Radiator Whistle
road speed - not shutters, insert screen
1500-1-2-6-7-8
Radiators and Cooling Systems, Rustproofing
expired cooling solutions - cleaning/flushing, anti-freeze
(all models)
Rust Preventative
amount, period - directions
(NOTE: page missing from archived document)
(all models)
Rust, Preventing
formation, cooling system damage - rust inhibiting agent
(all models)
Shop Manual Corrections (1938-1939)
cooling system capacity
1601-1A-2;
1701-1A-2
Warm Weather Service
engine/cooling system - inspection/maintenance
(all models)
Water Distributing Tube (Manifold)
persistent overheating - function, inspection, corrosion
120-138CD;
115C;
1600-1-1A-2;
1700-1-1A-2;
18th-20th;
(21st-54th)
Water Pump Body, Refacing
impeller relationship, new type seals - rebuilding procedure
1600-1-1A-2;
1700-1-1A-2;
18th-21st
Water Pump Leaks
seal thrust washer vs. repair kit - housing refacing tool
16th-20th
Water Pump Leaks
thrust washer blisters - hot/cold water refilling
16th-20th
Water Pump Seal, New
new seal assembly, thrust washer - proper installation
16th-20th
Water Pump Seat Refacer
new special tool - overhaul, smooth/true cutting
1600-1-1A-2;
1700-1-1A-2;
18th
Water Pump Shaft
bore wear - set screw required
1600-1-2
Water Pump Shaft
superseded to 17th Series - additional modifications
1600-1-2
Winter Driving, Preparing Cars for
cooling 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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Disclosures & Disclaimers

Though previously published elsewhere, this work is provided with my full permission for display on the PackardInfo.com website and the personal use of visitors to that site. Any other unauthorized use, however, is expressly prohibited and may be subject to prosecution. Also, because this index was compiled from documents published by the factory, neither the author nor PackardInfo.com are responsible for errors in content arising from source information.

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