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An Index to Service Information for 1948-50 (22nd->23rd Series) Packards

1948-50 (22nd->23rd Series) - RADIATOR & COOLING

SubjectApplicationDocument
Anti-Freeze Leakage at Heater Hose Connections
alcohol-type, fire hazard - new type clamp
22nd
Anti-Freeze Solutions, Re-Use of
contamination - system cleaning
(all models)
Anti-Freeze Tester, New Type
for new Prestone type - specific gravity changed
(all models)
Bearings, Care of Ball and Roller
installation/removal damage - proper support
(all models)
Cooling System, Care of the
operation - maintenance
(all models)
Cooling, Low Speed
gauge/sender calibration/defects - new 9-lb cap, heavy-duty fan
2301-02
STB 50T-29 (Zones only)
Fan Belt Installation
larger 40A generator, less travel - proper installation
22nd
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)
Flat Rate Manual, Corrections in 1948
power flush time
2201-02-06-13-22-26-40
Radiator Cooler Tube Failure - Ultramatic
excessive pressure - check valve eliminated
23rd
Radiator Cooler Tube Failure - Ultramatic
excessive pressure, sticking check valve - check valve torque, inspect free play
23rd
Radiator Core Bottom Tank and Oil Cooler Assembly
cooler tube failure - new service part
2301-02-06-13
Radiator Cores for Ultramatic Drive Equipped Cars
standard ordered in error, lacks cooler - part number reference
23rd
Rust Preventative, Soluble Oil in Cooling System and Packard
now factory-fill - rust inhibitor, water pump lubricant
23rd
Rust Preventive Treatment for New Cars
corrosion prevention - water pump lubrication
(all models)
Thermostats and Overheating
checking
22nd-25th;(26th-54th)
Warm-Up, Loose Thermostats Cause Slow
low temperature - retainer modification
22nd
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 Outlet Flange - Parts Book Correction
additional applications, clarification
2201-02-20-22-32-40
Winter Driving, Preparing Cars for
cooling system checks and maintenance
(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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