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An Index to Service Information for 1941-47 Clipper (19th->21st Series) Packards

1941-47 Clipper (19th->21st Series) - ENGINE

SubjectApplicationDocument
Bearing Clearance, Main and Rod
noise, vibrations - identification, measurement
(not specified)
Bearing Shells, Main and Connecting Rod - Lead Base Babbitt
wartime shortage, tin discontinued - characteristic appearance
20th
Bearing Shells, Note on
rod/main bright or dull - no effect
(not specified)
Bearings Measured Quickly, Rod and Main
new Plastigage Kit - proper use
(not specified)
Bearings, New Rod and Main
composite-type - identification, characteristics
21st
Bearings, Undersize Crankshaft
material shortage - crankshaft regrinding
(not specified)
Carbon Rattle
piston carbon deposits striking head - use of additional head gasket
(not specified)
Connecting Rod and Cap Assembly
assembly orientation - crankshaft position
120C-138CD;
115C;
1600-1-1A-1D;
1700-1-1A-2;
18th-20th
Crankshaft Journal Sizes
bearing selection - exact dimensions
18th-21st
Cylinder and Piston Assemblies Available
short block less crankshaft - back in stock
1203-4-5;
1403-4-5;
120-138CD;
115C;
1600-1-1A-1D-2;
1700-1-1A-2;
18th-21st
Cylinder Bores, Oversize
material shortages - identification
21st
Cylinder Head Gaskets
wartime shortage - re-use, precautions
(all models)
Cylinder Head Studs - New Type
rolled threads, reduce water leaks - larger diameter, not interchangeable
21st-22nd
Cylinder Heads, Return Bolts Shipped with
bundled for shipping - steel shortage
(not specified)
Cylinder Repairs
small holes/cracks - repair compounds
(all models)
Engine and Adapter Kit, Six Cylinder Replacement
now in-stock for Electromatic and prior to 19th - new crankcase ventilator kits
115C;
1600; 1700; 1800; 1900;
2000-10-20-30;
2100-30
Engine Front Insulator - Parts Book Correction
part number correction
1951;
2000-01-10-11;
2100-01-11-30
Engine Installation Precautions
dirt in hydraulic lifters - clean and replace oil filter
2003-06;
2103-06-26;
2206-13-26-33
Engine Replacement (U-Joint)
Henney models - new shorter, front drive shaft available
1701A;
1801A;
1901A;
2001A
Engine Replacement, Six Cylinder - Correction
standard passenger cars - engine part number
115C;
1600; 1700; 1800; 1900;
2000-10-20;
2100
Engine Replacement, Six Cylinder
new improved design services all models - alterations required
115C;
1600; 1700; 1800; 1900;
2000-10-20-30;
2100-30
Engine Stand and Dolly
new tools - six/eight-cylinder
(not specified)
Engine Stand Price
supplier increase
(not specified)
Engine, Improved Packard Six
internal changes - preliminary parts list
2100-30
Engine, Prelubricate Replacement
oiling cylinder walls - break-in
(all models)
Engine, Service Replacement - Part Number Correction
see SC Vol. 27, No. 9 - fan blade spacer screw
2003-06;
2103-06-26;
2206-13-26-33;
2313
Engine, Service Replacement - Supplement
see SC Vol. 27, No. 7 - additional parts, modifications
2003-06;
2103-06-26;
2206-13-26-33;
2313
Engine, Service Replacement
Custom Eight 356-cid no longer available - 327-cid installation, part number reference
2003-06;
2103-06-26;
2206-13-26-33;
2313
Engines, Installing Replacement
gear shift lever support required - fabricate clutch power cylinder bracket
1951
Flat Rate Manual 1941-49, Changes and Corrections in
select operations
19th-23rd
Flywheel Housing Covers
cast design replaces stamped steel
120-138CD;
115C;
1600-1-1A-1D-2;
1700-1-1A-2;
1800-1-1A;
1900-1-1A;
1951;
2000-01-11-10-20-21-30;
2100-01-11-30
Hard Starting of Hot Engines
anti-percolator valve adjustment - choke unloader, float
21st
Heat Control Valve, Manifold - see:
FUEL & EXHAUST
--
--
Hydraulic Tappet Checking Tool
new special tool - cleaning, testing
1803-3A-4-5-6-7-8;
1903-3A-4-5-6-7-8;
2003-04-05-06-07-08-23-30-55;
2103-06-26;
2206-13-26-33;
2306-13-33
Hydraulic Tappets - Super Eights
operation, diagnosis, service - new high-volume oil pump
1803-3A-4-5-6-7-8;
1903-3A-4-5-6-7-8;
2003-04-05-06-07-08-23-30-55;
2103-06-26
Hydraulic Valve Lifter Tester
new special tool - checking leak-down
1803-3A-4-5-6-7-8;
1903-3A-4-5-6-7-8;
2003-04-05-06-07-08-23-30-55;
2103-06-26;
2206-13-26-33;
(2306-13-33)
Low Speed Roughness
manifold leaks, float level - redrill by-pass plugs
2103-06-26
Manifold Gasket Failures
chafing - chamfer manifold edges
(all models)
Manifold Gasket Leaks, Intake
rough idle - improper tightening, detection
(all models)
Motor Period
torsional disturbance, clutch/transmission jazz
(not specified)
Motors in Cars in Storage, Lubrication of
new vehicles - rust inhibitor
20th
Oil Additives, Use of
not endorsed - low viscosity, inadequate lubrication
(all models)
Oil Consumption, Fuel Pump May Cause High
rough idle - fractured booster diaphragm
(not specified)
Oil Consumption, Taxicab
low speed/temperature operation - piston ring plugging, prevention
2130
Oil Filler Pipe, Motor
sticky valves - new longer design, improved crankcase ventilation
19th
Oil Filter Cartridge - Change Period Revised
high-detergents oils - reduced
120-138CD;
115C;
16th?-54th
Oil Filter Cartridge Change Period Revised
high detergent oil - reduced interval
120-138CD;
115C;
16th?-54th
Oil Filter Connections, Purolator
loose bracket - leaky unions, pipe failure
(not specified)
Oil Filter Equipment
tubes not interchangeable - part number reference
2000-01-10-11;
2100-01-11
Oil Filter Installation, Purolator (What is Wrong with This Picture)
wrong tube/cap - crankcase ventilation, vehicle storage
19th
Oil Filter, New Type
Super Eight equipment available as accessory - identification, installation, replacement parts
2100-01-10-11
Oil Filter: Purolator Filter Facts
micronic filtration, pleated paper - benefits, replacement period
(NOTE: page missing from archived document)
(not specified)
Oil for Sub-Zero Operation, Winter Engine
new 5-W oil - issues, limited availability/use
(all models)
STB 49T-40 (Zones only)
Oil Leaks, Front Cover
excessive oil consumption - checks/corrections/precautions
(not specified)
Oil Pan - Now Available
previously difficult to procure
2001-11;
2101-11
Oil Pan Gasket Sets
replace RH-LH, together - available in sets
120-138CD;
115C;
1600-1-1A-1D-2;
1700-1-1A-2;
18th-22nd;
(23rd54th)
Oil Pressure, Low
idling, worn/sticking regulator valve - new spring-loaded type
1803-3A-4-5-6-7-8;
1903-3A-4-5-6-7-8;
2003-04-05-06-07-08-23-30-55;
2103-06-26
Oil Pressure, Low
pan sludge, clogged pickup - cleaning procedure
(not specified)
Oil Pump Camshaft Gear
sheared drive gear pin, rust - use of thicker drive spring
120-138CD;
115C;
1600-1;
1700-1-2;
18th-20th
Oil Pump Cover Kit, Motor
new repair kit available - Super Eight
1803-3A-4-5-6-7-8;
1903-3A-4-5-6-7-8;
2003-04-05-07-08-23-55
Oil Pump, New Super Eight
increased flow and pressure - worn pump or opening up of bearing clearances
1803-3A-4-5-6-7-8;
1903-3A-4-5-6-7-8;
2003-04-05-06-07-08-23-30-55;
2103-06-26
Oil Seal, Gear Cover
burned, leaking - graphite grease
120-138CD;
115C;
16th-54th
Oil Seal, Rear Main Bearing
leaks - preventative measures
120-138CD;
115C;
16th-18th (exc. 1703-3A-5);
1951;
2000-01-03-06-10-11;
21st-24th;
(25th-54th)
Oil Seal, Rear Main Bearing
leaks - undersize
120-138CD;
115C;
16th-18th (exc. 1703-3A-5);
1951;
2000-01-03-06-10-11;
21st-54th
Oil Seal, Rear Main Bearing
leaks, bearing distortion - new cork type, installation
120-138CD;
115C;
16th-18th (exc. 1703-3A-5);
1951;
2000-01-03-06-10-11;
21st-54th
Oil, Rust Inhibiting
motors in storage - limited availability, alternate sourcing
20th
Piston - Standard Sizes and Adjustments Changes
skirt clearance - range reduced
2000-01-10-11-20-21-30
Piston and Rings, Replacement
latest type used for earlier models - check replacement chart for rings only
9th-14th;
120-138CD;
115C;
15th-20th
Piston Pin Bushings
two-piece, split-type - oil groove, burnishing procedure
120-138CD;
115C;
1600-1-1A-1D-2-3-4-5;
1700-1-1A-2-3-3A-5;
18th-20th
Piston Ring Sets
Perfect Circle - ordering
(all models)
Piston Rings
clarification of pistons/rings used in production - aluminum/cast-iron, specifications
20th
Piston Rings and Expanders
ample supply for spring season repairs
(not specified)
Piston Rings, Carbonized
oil consumption, low speed, cold weather - oil changes, cleaning procedure
(all models)
Piston Rings, Selling and Installing Perfect Circle
ring groove combinations - selection chart
9th-14th;
120-138CD;
115C;
15th-20th
Pistons
cast iron to replace aluminum in production - specifications correction
20th
Pistons, Cast Iron
engine suffix C or higher - skirt clearance, installation
20th
Sludge, Crankcase
reduced driving, condensation, bearing trouble - operating temperatures, oil changes
(all models)
Valve Seats, Checking
run-out, uneven wear - use of dial indicator
(all models)
Valve Spring Load
reduced by cutting seats - shimming, precautions
(not specified)
Valve Springs, Weak
sticking valves - shimming
(not specified)
Valve Timing
specifications reference
900-1-2-3-4;
10th-14th (exc. Twelves);
120-138CD;
115C;
15th-19th;
2000-1-3-3A-4-5-6-7-8-20-21-23
Valves, Sticking
carbon, gum, rust, mechanical causes/remedies
(not specified)
Valves, Sticking...in New Cars
rust, gum - proper storage, cleaning
(all models)
Valves, Sticky
exhaust valves, rust - proper storage
(all models)
Valves, Sticky
valve guide rust - new filler, cap and duct increase crankcase ventilation, check for gum/varnish/carbon
19th
Valves, Sticky
valves/guides - valve spring tension
(all models)
Vibration Damper Assembly Kit
superseded - modifications
1900-1-1A; 1951;
2000-01-11;
2100-01-11-30;
2200-11-02-20- 22-33-40;
2302-22-33
Wrist Pins, Loose
low mileage, bushing black/corroded - insufficient oil changes
(not specified)

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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