Factory Service Index - Packard Motor Car Information

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

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

MAIN SERVICE INDEX -> 1941-47 CLIPPER (19TH->21ST SERIES) -> ENGINE

Subject	Application	Document
Air Cleaner - see: FUEL & EXHAUST
Bearing Clearance, Main and Rod noise, vibrations - identification, measurement	(not specified)	SC Vol. 25, No. 6, p. 22
Bearing Shells, Main and Connecting Rod - Lead Base Babbitt wartime shortage, tin discontinued - characteristic appearance	20th	SC Vol. 18, No. 7
Bearing Shells, Note on rod/main bright or dull - no effect	(not specified)	SC Vol. 23, No. 4, p. 19
Bearings Measured Quickly, Rod and Main new Plastigage Kit - proper use	(not specified)	SC Vol. 22, No. 8, p. 31
Bearings, New Rod and Main composite-type - identification, characteristics	21st	SC Vol. 21, No. 1, p. 4
Bearings, Undersize Crankshaft material shortage - crankshaft regrinding	(not specified)	SC Vol. 18, No. 6
Carbon Rattle piston carbon deposits striking head - use of additional head gasket	(not specified)	SL Vol. 17, No. 18
Carburetor - see: FUEL & EXHAUST
Connecting Rod and Cap Assembly assembly orientation - crankshaft position	120C-138CD; 115C; 1600-1-1A-1D; 1700-1-1A-2; 18th-20th	SC Vol. 19, No. 2
Crankshaft Journal Sizes bearing selection - exact dimensions	18th-21st	SC Vol. 20, No. 8
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	SC Vol. 21, No. 14, p. 68
Cylinder Bores, Oversize material shortages - identification	21st	SC Vol. 20, No. 11
Cylinder Head Gaskets wartime shortage - re-use, precautions	(all models)	SL Vol. 16, No. 11
Cylinder Head Studs - New Type rolled threads, reduce water leaks - larger diameter, not interchangeable	21st-22nd	SC Vol. 21, No. 21, p. 101
Cylinder Heads, Return Bolts Shipped with bundled for shipping - steel shortage	(not specified)	SC Vol. 21, No. 7, p. 30
Cylinder Repairs small holes/cracks - repair compounds	(all models)	SC Vol. 25, No. 4, p. 16
Distributor - see: ELECTRICAL
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	SC Vol. 22, No. 3, p. 11
Engine Front Insulator - Parts Book Correction part number correction	1951; 2000-01-10-11; 2100-01-11-30	SC Vol. 21, No. 8, p. 36
Engine Installation Precautions dirt in hydraulic lifters - clean and replace oil filter	2003-06; 2103-06-26; 2206-13-26-33	SC Vol. 23, No. 1, p. 2
Engine Replacement (U-Joint) Henney models - new shorter, front drive shaft available	1701A; 1801A; 1901A; 2001A	SC Vol. 23, No. 3, p. 15
Engine Replacement - Right-Hand Drive Retrofitting a 288 into Clippers and 1601	1601, Clippers	GSL 49-74
Engine Replacement Kits 288 Engine Retrofits for 1938-1942 cars	2001, 1951, 1601, 1701, 1801, 1901	PAB 48P-33
Engine Replacement Kits Engine Retrofits for 1938-1942 cars - Updated	2001, 1951, 1601, 1701, 1801, 1901	PAB 50P-36
Engine Replacement Kits Engine Retrofits for 1938-1942 cars	1601, 1701, 1801, 1901, 1951, 2001, 2101	PAB 49P-22
Engine Replacement, Six Cylinder - Correction standard passenger cars - engine part number	115C; 1600; 1700; 1800; 1900; 2000-10-20; 2100	SC Vol. 21, No. 17, p. 82
Engine Replacement, Six Cylinder new improved design services all models - alterations required	115C; 1600; 1700; 1800; 1900; 2000-10-20-30; 2100-30	SC Vol. 21, No. 13, p. 63
Engine Stand and Dolly new tools - six/eight-cylinder	(not specified)	SC Vol. 19, No. 5
Engine Stand Price supplier increase	(not specified)	SC Vol. 21, No. 7, p. 32
Engine Vibration Different Causes of Vibration	(not specified)	SL Vol. 2, No. 8
Engine, Improved Packard Six internal changes - preliminary parts list	2100-30	SC Vol. 21, No. 9, p. 43
Engine, Prelubricate Replacement oiling cylinder walls - break-in	(all models)	SC Vol. 20, No. 8
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	SC Vol. 28, No. 9, p. 55
Engine, Service Replacement - Supplement see SC Vol. 27, No. 7 - additional parts, modifications	2003-06; 2103-06-26; 2206-13-26-33; 2313	SC Vol. 27, No. 9, p. 42
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	SC Vol. 27, No. 7, p. 31
Engines, Installing Replacement gear shift lever support required - fabricate clutch power cylinder bracket	1951	SC Vol. 20, No. 6
Factory Replacment Engines Update, Modfications	110, 115-C, 120	PAB 45P-8
Fan Belt - see: RADIATOR & COOLING
Flat Rate Manual 1941-49, Changes and Corrections in select operations	19th-23rd	STB 49T-24, Dealer 19
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	SC Vol. 21, No. 7, p. 30
Generator - see: ELECTRICAL
Hard Starting of Hot Engines anti-percolator valve adjustment - choke unloader, float	21st	SC Vol. 20, No. 10
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	SC Vol. 23, No. 4, p. 18
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	SC Vol. 21, No. 2, p. 7
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)	SC Vol. 21, No. 21, p. 101
Ignition - see: ELECTRICAL
Low Speed Roughness manifold leaks, float level - redrill by-pass plugs	2103-06-26	SC Vol. 20, No. 11
Manifold Gasket Failures chafing - chamfer manifold edges	(all models)	SC Vol. 25, No. 12, p. 47
Manifold Gasket Leaks, Intake rough idle - improper tightening, detection	(all models)	SC Vol. 23, No. 7, p. 39
Motor Oil New Recommendations	(Not Specified)	SL Vol.7, No. 18
Motor Period torsional disturbance, clutch/transmission jazz	(not specified)	SC Vol. 18, No. 3
Motors in Cars in Storage, Lubrication of new vehicles - rust inhibitor	20th	SL Vol. 16, No. 18
Oil Additives, Use of not endorsed - low viscosity, inadequate lubrication	(all models)	STB 47T-37 (Dealer)
Oil Consumption, Fuel Pump May Cause High rough idle - fractured booster diaphragm	(not specified)	SC Vol. 23, No. 7, p. 40
Oil Consumption, Taxicab low speed/temperature operation - piston ring plugging, prevention	2130	STB 47T-2 (Dealer)
Oil Filler Pipe, Motor sticky valves - new longer design, improved crankcase ventilation	19th	SL Vol. 16, No. 7
Oil Filter Cartridge - Change Period Revised high-detergents oils - reduced	120-138CD; 115C; 16th?-54th	STB 54T-12, Dealer 7
Oil Filter Cartridge Change Period Revised high detergent oil - reduced interval	120-138CD; 115C; 16th?-54th	SC Vol. 28, No. 10, p. 60
Oil Filter Connections, Purolator loose bracket - leaky unions, pipe failure	(not specified)	SL Vol. 16, No. 13
Oil Filter Equipment tubes not interchangeable - part number reference	2000-01-10-11; 2100-01-11	SC Vol. 20, No. 7
Oil Filter Installation, Purolator (What is Wrong with This Picture) wrong tube/cap - crankcase ventilation, vehicle storage	19th	SL Vol. 16, No. 14
Oil Filter, New Type Super Eight equipment available as accessory - identification, installation, replacement parts	2100-01-10-11	SC Vol. 21, No. 9, p. 42
Oil Filter: Purolator Filter Facts micronic filtration, pleated paper - benefits, replacement period	(not specified)	SC Vol. 24, No. 7, p. 27
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)	SL Vol. 16, No. 11
Oil Pan - Now Available previously difficult to procure	2001-11; 2101-11	SC Vol. 21, No. 5, p. 18
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)	SC Vol. 22, No. 7, p. 26
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	SC Vol. 20, No. 1
Oil Pressure, Low pan sludge, clogged pickup - cleaning procedure	(not specified)	SC Vol. 18, No. 7
Oil Pump Camshaft Gear sheared drive gear pin, rust - use of thicker drive spring	120-138CD; 115C; 1600-1; 1700-1-2; 18th-20th	SC Vol. 18, No. 10
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	SC Vol. 19, No. 11
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	SC Vol. 21, No. 2, p. 6
Oil Seal, Gear Cover burned, leaking - graphite grease	120-138CD; 115C; 16th-54th	SC Vol. 25, No. 9, p. 35
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)	SC Vol. 25, No. 9, p. 36
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	SC Vol. 28, No. 1, p. 3
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	SC Vol. 28, No. 9, p. 55
Oil, Rust Inhibiting motors in storage - limited availability, alternate sourcing	20th	SL Vol. 16, No. 19
Piston - Standard Sizes and Adjustments Changes skirt clearance - range reduced	2000-01-10-11-20-21-30	SL Vol. 15, No. 20
Piston and Rings, Replacement latest type used for earlier models - check replacement chart for rings only	9th-14th; 120-138CD; 115C; 15th-20th	SC Vol. 21, No. 1, p. 3
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	SC Vol. 20, No. 1
Piston Ring Sets Perfect Circle - ordering	(all models)	SC Vol. 19, No. 6
Piston Rings clarification of pistons/rings used in production - aluminum/cast-iron, specifications	20th	SL Vol. 16, No. 18
Piston Rings and Expanders ample supply for spring season repairs	(not specified)	SC Vol. 21, No. 7, p. 32
Piston Rings, Carbonized oil consumption, low speed, cold weather - oil changes, cleaning procedure	(all models)	SC Vol. 18, No. 2
Piston Rings, Selling and Installing Perfect Circle ring groove combinations - selection chart	9th-14th; 120-138CD; 115C; 15th-20th	SC Vol. 19, No. 7
Pistons cast iron to replace aluminum in production - specifications correction	20th	SL Vol. 15, No. 18
Pistons, Cast Iron engine suffix C or higher - skirt clearance, installation	20th	SL Vol. 16, No. 1
Sludge, Crankcase reduced driving, condensation, bearing trouble - operating temperatures, oil changes	(all models)	SL Vol. 17, No. 19
Starter - see: ELECTRICAL
Starting - Cold Weather Proper Procedure	(Not Specified)	SL Vol.8, No. 24
Valve Seats, Checking run-out, uneven wear - use of dial indicator	(all models)	SC Vol. 22, No. 10, p. 39
Valve Spring Load reduced by cutting seats - shimming, precautions	(not specified)	SL Vol. 17, No. 9
Valve Springs, Weak sticking valves - shimming	(not specified)	SL Vol. 15, No. 9
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	SL Vol. 16, No. 7
Valves, Sticking carbon, gum, rust, mechanical causes/remedies	(not specified)	SL Vol. 17, No. 14
Valves, Sticking...in New Cars rust, gum - proper storage, cleaning	(all models)	SC Vol. 20, No. 4
Valves, Sticky exhaust valves, rust - proper storage	(all models)	SL Vol. 15, No. 24
Valves, Sticky valve guide rust - new filler, cap and duct increase crankcase ventilation, check for gum/varnish/carbon	19th	SL Vol. 15, No. 3
Valves, Sticky valves/guides - valve spring tension	(all models)	SL Vol. 16, No. 4
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	SC Vol. 27, No. 11, p. 49
Water Pump - see: RADIATOR & COOLING
Wrist Pins, Loose low mileage, bushing black/corroded - insufficient oil changes	(not specified)	SL Vol. 16, No. 8

SC = Service Counselor

SL = Service Letter

STB = Service Technical Bulletin

SSB = Studebaker Service Bulletin

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