Here are some of the 1950 Service Techincal Bulletins (STB's). Hopefully the missing ones will fill in over time. I created the index below to make it easy to find the correct one.

50T-2, Dealer 1 - PUMP CHECK VALVE CLATTER ON ULTRAMATIC DRIVE CARS

50T-3, Dealer 2 - DISCONTINUATION OF ULTRAMATIC DRIVE OIL CHANGE AT 1000 MILE INSPECTION DURING WARRANTY PERIOD

50T-4, Dealer 3 - SUPER EIGHT ENGINE PARTS FOR ENGINES WITH SUFFIX LETTER "F"

50T-6, Dealer 4 - NEW TYPE ULTRAMATIC CONTROL VALVE LEVER AND LINK ASSEMBLY

50T-7, Dealer 5 - REVISED EDITION OF CURRENT FLAT RATE MANUAL

50T-8, Dealer 6 - SOLUBLE OIL IN COOLING SYSTEM AND PACKARD RUST PREVENTIVE

50T-9, Dealer 7 - HEARSE AND AMBULANCE BRAKES - MODELS 2213-2313

50T-10, Dealer 8 - 14MM SPARK PLUGS -23RD SERIES

50T-12, Dealer 9 - ULTRAMATIC DRIVE OIL PUMPS

50T-13, Dealer 10 - UTRAMATIC DRIVE GOVERNOR REPLACEMENT

50T-14, Dealer 11 - ULTRAMATIC CONTROL VALVE BODY SERARATOR KIT

50T-15, Dealer 12 - ULTRAMATIC DRIVE OIL FILLER CAP CAMPAIGN

50T-16, Dealer 13 - STICKING THROTTLE LINKAGE - ULTRAMATIC DRIVE

50T-18, Dealer 14 - OIL HOLE IN UNIVERSAL JOINT FLANGE - ULTRAMATIC DRIVE

50T-20, Dealer 15 - ULTRAMATIC FLAT RATE TIMES REVISION

50T-21, Dealer 16 - HYDRAULIC DISTURBANCE IN ULTRAMATIC DRIVE UNITS

50T-22, Dealer 17 - REPLACEMENT ULTRAMATIC GOVERNOR ASSEMBLIES

50T-23, Dealer 18 - HUB SHEEL COVER RATLES

50T-24, Dealer 19 - DIRECT DRIVE CLUTCH FAILS TO DISENGAGE - ULTRAMATIC DRIVE

50T-25, Dealer 20 - MISSING

50T-26, Dealer 21 - GROOVED DRIECT DRIVE CLUTCH PLATES (ULTRAMATIC DRIVE) - CORRECTED

50T-27, Dealer 22 - TIGHTENING REAR SPRING U-BOLTS - ALL MODELS

50T-31, Dealer 23 - LATE DESIGN INPUT SHAFT ASSEMBLY - ULTRAMATIC DRIVE

50T-32, Dealer 24 - CORRECTIONS ON EARLY 24TH SERIES VEHICLES

50T-33, Dealer 25 - ULTRAMATIC LINAGE ADJUSTMENTS -- 24TH SERIES

50T-34, Dealer 26 - REAR QUARTER WATER LEAKS - 24TH SERIES CLUB SEDANS BODY MODELS 2465-95

50T-35, Dealer 27 - WATER IN FRONT PARKING LIGHTS - 24TH SERIES

50T-36, Dealer 28 - LOSS OR OIL THROUGHT BREATHER - 24TH SERIES ULTRAMATIC - MODEL 200

50T-37, Dealer 29 - DOOR HANDLE REPLACEMENT - 24TH SERIES

50T-38, Dealer 30 - BATTERY CABLE CAMPAIGN - 24TH SERIES

50T-61, Dealer 31 - INDEX 1949-1950 SERVICE TECHINCAL BULLETINS

50T-41, Dealer 32 - RAISING CAR AT X-MEMBER - 24TH SERIES

50T-43, Dealer 33 - TIGHT BONNET HINGES AND BONNET VIBRATION - 24TH SERIES

50T-45, Dealer 34 - RADIATOR COOLER TUBE FAILURE - 23RD SERIES ULTRAMATIC

50T-46, Dealer 35 - HEATER HOSES REVERSED - 24TH SERIES

50T-49, Dealer 36 - STEERING GEAR OIL LEVEL - 24TH SERIES

50T-50, Dealer 37 - UPHOLSTERY COVER SPOTS

50T-51, Dealer 38 - BRAKE SHOES AND LININGS -24TH SERIES AND PREVIOUS MODELS

50T-52, Dealer 39 - ENGINE OIL PRESSURE WITH OIL FILTER EQUIPMENT - 24TH SERIES

50T-53, Dealer 40 - HYDRAULIC TAPPET EQUIPMENT AND GAUGE SET - MODEL "200" (2401)

50T-54, Dealer 41 - LOOSE REAR ENGINE SUPPORT - 24TH SERIES

50T-55, Dealer 42 - RETAINING SCREWS CHANGES - ULTRAMATIC DRIVE

50T-56, Dealer 43 - FROZEN DOOR LOCKS -24TH SERIES

50T-57, Dealer 44 - ULTRAMATIC DRIVE AND OVERDRIVE HOUSINGS AND BUSHINGS

50T-58, Dealer 45 - GASOLINE TANK VENT WHISTLE ELIMINATED - 24TH SERIES

50T-59, Dealer 46 - ULTRAMATIC DRIVE FLUID DRAIN PERIOD REVISED - ALL MODELS

50T-61, Dealer 47 - CHECKING ULTRAMATIC DRIVE FLUID LEVEL - ALL MODELS




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