Here is the almost complete set of 1955 Service Technical Bulletins (STB's). I created the index below to make it easy to find the correct one. If you can fill in any of the missing ones please let me know.

55T-1, DEALER 1 - TORSION-LEVEL SUSPENSION - UNEVEN RIDING HEIGHT

55T-2, DEALER 2 - TORSION-LEVEL SUSPENSION - LIMIT SWITCH AND COMPENSATOR MOTOR

55T-3, DEALER 3 - 12 VOLT BATTERY CHARACTERISITCS

55T-4, DEALER 4 - TRANSMISSION UNIVERSAL JOINT FLANGE BOLT TWIN ULTRAMATIC

55T-5 - ZONE ONLY - CYLINDER HEAD OIL PASSAGE - 55TH SERIES

55T-6, DEALER 5 - TWIN ULTRAMATIC SHIFT PATTERN - 55TH SERIES

55T-7, DEALER 6 - DIRECT DRIVE CLUTCH ENGAGEMENT TWIN ULTRAMATIC - 55TH SERIES

55T-8, DEALER 7 - TORQUE SPECIFICATIONS

55T-9, DEALER 8 - FRONT UNDERSEAT HEATER FAN GUARD - 54TH SERIES

55T-10, DEALER 9 - WINDSHIELD WEATHERSTRIP AND MOUDLING RETAINERS - 55TH SERIES

55T-11 - ZONES ONLY - CHANGES IN TWIN ULTRAMATIC (CONFIDENTIAL)

55T-12, DEALER 10 - TORSION-LEVEL SUSPENSION WORM SHAFT LOCK RING

55T-13, DEALER 11 - TORSION-LEVEL SUSPENSION WIRE DISCONNECTED

55T-14, DEALER 12 - REAR CIGAR LIGHTERS - BODY TYPES 5582 AND 5587

55T-15, DEALER 13 - STORAGE BATTERIES

55T-16, DEALER 14 - ROCKER LEVER SHAFT HOLES - OIL CONTROL

55T-17, DEALER 15 - LOW RANGE BRAKE FUNCTIONS IMPROPERLY

55T-18, ZONE ONLY - TORSION LEVEL SUSPENSION REAR LOAD ARM LINKS

55T-19, DEALER 16 - OIL CONSUMPTION 55 Series

55T-20, DEALER 17 - TWIN ULTRAMATIC TRANSMISSION - CARIBBEAN (5588)

55T-21, DEALER 18 - INSTRUMENT PANEL PAINT SCHEME - 55TH SERIES

55T-22, ZONE ONLY - CHANGES IN TWIN-ULTRAMATIC - 55TH SERIES

55T-23, ZONE ONLY - ROUGH ENGINES - 55TH SERIES

55T-24, DEALER 19 - AC CARBURETOR AIR CLEANER - MODEL 5540

55T-25, ZONE ONLY - IGNITION CABLE SUPPORT BRACKET - CARIBBEAN (5588)

55T-26, ZONE ONLY (REVISED) - TWIN-ULTRAMATIC TRANSMISSION - CARIBBEAN (5588)

55T-27, DEALER 20 - FRAME REINFORCEMENT AND MODIFICATIONS TO HANDLE TRAILERS - 55TH SERIES PACAKRD

55T-28, ZONE ONLY - ESAMATIC POWER BRAKE - HARD PEDAL - 55TH SERIES

55T-29, ZONE ONLY - HYDRAULIC TAPPET LEAK-DOWN - 55TH SERIES

55T-30, DEALER 21 - STAINED HEADLINING - 55TH SERIES CLIPPERS

55T-31, DEALER 22 - CHROME PLATE PROTECTIVE COATING - 55TH SERIES

55T-32, DEALER 23 - ENGINE RUNAWAY - LOW TO HIGH SHIFTS - 55TH SERIES

55T-33, DEALER 24 - SERIVE ENGINES - 55TH SERIES

55T-34, DEALER 25 - WINDSHIELD WAETHERSTRIP RETAINER - 55TH SERIES

55T-35, DEALER 26 - ROCKER LEVER SHAFT OIL HOLES - 55TH SERIES

55T-36, DEALER 27 - TORSION-LEVEL SUSPENSION SWITCHES WATERPROOFED - 55TH SERIES

55T-37, DEALER 28 - TORSION-LEVEL SUSPENSION LOAD ARM SNAP - 55TH SERIES

55T-38, DEALER 29 - BINDING STEERING

55T-39, DEALER 30 - INCORRECT IGNITION TIMING - MODEL 5540

55T-40, DEALER 31 - TWIN ULTRAMATIC TRANSMISSION RATTLE

55T-41, DEALER 32 - GASOLINE FUMES - MODEL 5560-80

55T-42, DEALER 33 - SHOCK ABSORBERS - EXPORT - 55TH SERIES

55T-43, DEALER 34 - DIRECT SHIFT VALVE PISTON SPRINGS - TWIN ULTRAMATIC

55T-44, DEALER 35 - STAINED HEADLINING - 55TH SERIES CLIPPER

55T-45, DEALER 36 - AIR CONDITIONING KIT - PART NUMBER 6484302

55T-46, DEALER 37 - ULTRAMATIC PUSH BUTTON CONTROL

55T-47, DEALER 38 - UNTRAMATIC TRANSMISSION REAR OIL PUMP DRIVER

55T-48, DEALER 39 - SUGGESTED FLAT RATE TIME ALLOWANCES

55T-49, DEALER 40 - BATTERY - NEGATIVE TERMINAL GROUNDED - 56TH SERIES

55T-50, DEALER 41 - TORSION-LEVEL SUSPENSION SOLENOIDS - 56TH SERIES

55T-51, DEALER 42 - REAR WINDOW OUTSIDE TRIM PLATES - 56TH SERIES

55T-52, DEALER 43 - 1956 REVISIONS IN CHECKING REACTOR END PLAY PK-27 REACTOR CHECKING TOOL REVISIONS

55T-52, DEALER 43 - 1956 REVISIONS IN CHECKING REACTOR END PLAY PK-27 REACTOR CHECKING TOOL REVISIONS - CORRECTED COPY

55T-53, DEALER 44 - TORSION-LEVEL SUSPENSION CARS UNEVEN RIDING HEIGHT

55T-54, DEALER 45 - HEADLAMP DOOR WIND WHISTLE - 56TH SERIES CLIPPERS

55T-55, DEALER 46 - 1955 INDEX

55T-56, ZONES ONLY - INDEX - SERVICE TECHNICAL BULLETINS



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