Technical Service Bulletin Index

Bulletin # Subject Model(s) Document
T-60-1 Triumph Accesory List Dec. 1960
T-61-1 Brake Lights TR3
T-61-2 Rear Axle Shaft Flinger Herald
T-61-3 General Service Hints TR3
T-61-4
T-61-5 Waranty and Free Service Booklet
T-61-6 Axle Shafts Herald
T-61-7 Maintenance Voucher Books
T-61-8 Front Seats Herald
T-61-9 Cracking of TR3 Windscreen TR3
T-61-10 Axle Shaft Universal Joints Herald
T-61-11 Oil Consumption Herald
T-61-12 Electric Horns Herald
T-61-13 Moulded Carpets Herald
T-61-14 Tie Rod Inner Ball Joint Assembly Herald
T-61-15 Piston Grades Herald
T-61-16 Gear Lever Rattle Herald
T-61-17 Rack and Pinion Steering Assembly Herald
T-61-18 Door Sealing Herald
T-61-19 Fitting Overdrive as an Accessory TR3
T-61-20
T-61-21
T-61-22 Axle Shaft Grease Seals Herald
T-61-23 Key Cutting Code for "FP" Key Series
T-61-24 Dunlop Tire Road Hazard Guarantee
T-61-25 Smiths Instruments Warranty
T-61-26 Road Spring Herald
T-61-27 Valence Panels Herald
T-61-28 Front Suspension Herald
T-61-29 Rear Wheel Brake Cylinders Herald 1200
T-61-30 Rack and Pinion Steering Assembly Herald
T-61-31 Model Identification
T-61-32 Dash Panels Herald
T-61-33 Rear Hub Removal Herald
T-61-34 Bendix Radio Service TR4
T-61-35 Inner Axle Shaft Herald
T-61-36 Radiator Replacement Herald
T-61-37 Soft Top TR4
T-61-38 Gas Line Rattle TR4
T-61-39 Speedometer TR4
T-61-40 Rinshed-Mason Color Code- Velasquez Cream
T-62-1 Instruments TR4
T-62-2 Starting Handle Kit TR4
T-62-3
T-62-4 Spot-In Paint Repair TR4
T-62-5 Horn Failure TR4
T-62-6 Horns Herald
T-62-7 Carburetor Herald 1200
T-62-8 Special Tools
T-62-9 Anti-Sway Bar Kit TR4
T-62-10 Rack and Pinion Plunger Retainer Herald
T-62-11 Rear axle Housing Modification Herald
T-62-12 Underside Body Panel TR4
T-62-13 Starting System TR4, Herald
T-62-14 Screen Demister Deflector Plates TR4
T-62-15 Steering Knock Herald
T-62-16 Vertical Link Herald
T-62-17
T-62-18 Soft Top Parts TR4
T-62-19 Rebuit Engine Exchange Program TR3A/TR4
T-62-20
T-62-21
T-62-22
T-62-23 Seat Belts
T-62-24 Flywheel Bolts
T-62-25 Door Locks Herald
T-62-26 Jumping Out of Reverse Herald
T-62-27 Road Wheels
T-62-28 Door Ventilator Rubber Herald
T-62-29 B30PSEL Solex Carburetor Herald
T-62-30 Speedometer Equipment Repair
T-62-31
T-62-32 Lubrication Interval TR3/TR4
T-62-33 Hood Assembly Herald
T-62-34 Carburetor Setting Herald 1200
T-62-35 Gudgeon Pin Fit Herald, Sports 6
T-62-36 Gearbox Tolerences TR4
T-62-37 Road Springs and Dampers TR4
T-62-38 Sedan Roof Panels Herald
T-62-39 Rear Seats Herald
T-62-40 Speedometer Failure TR4
T-62-41 Vibration TR4
T-62-42 Bump Control Strap TR3B/TR4
T-62-43
T-62-44 Propeller Shaft TR4
T-62-45 Bump Control Strap TR4
Rack and Pinion Herald
Front Suspension Specification Change TR4
Front Suspension Specification Change TR4
Carburetor Setting Sports 6
Bump Control Strap Campaing TR3
Filters Herald
Goodyear Tires Waranty
Front Suspension Dismantling Herald, Sports 6
Igniton Test Data TR4, Herald, Sports 6
Overseas Service Allowance
Window Regulators TR4
Vybak Plastic Windows
T-63-1
T-63-2
T-63-3
T-63-4
T-63-5
T-63-6
T-63-7 Lucas RB340 Control Box Spitfire, Sports 6
T-63-8 Vibration TR4
T-63-9
T-63-10
T-63-11
T-63-12
T-63-13
T-63-14
T-63-15
T-63-16
T-63-17 Jumping Out of Reverse Herald 1200, Sports 6
T-63-18 Front Vertical Links Herald 1200
T-63-19
T-63-20 Jacking Points Spitfire
T-63-21
T-63-22
T-63-23 Water Shields Spitfire
T-63-24
T-63-25 Front Wheel Bearings Spitfire, Sports 6
T-63-26
T-63-27
T-63-28
T-63-29
T-63-30
T-63-31 Paint Formula: Triumph Racing Green
T-63-32
T-63-33
T-63-34
T-63-35 Location of Spare Keys TR4, Herald/Spit, Sports6
T-63-36 Transmission Issues TR4
T-63-37
T-63-38 B.30 PSEI Carburetor Herald 1200
T-63-39 Distributor Points Settings
T-63-40 Lighting Switch Spitfire, Sports 6
T-63-41
T-63-42 Brake Squeak Herald/Spit, Sports 6
T-63-43
T-63-44 Frame Rationalization Herald 1200
T-63-45 Hood Adjustments Herald 1200, Sports 6
T-63-46 Distributor Tuning Data Spitfire
T-63-47 B.32 PIH carburetor Sports 6
T-63-48 Paint Formulas
T-63-49 Stromberg Carburetors TR4
T-63-50 Rear Road Spring Spitfire
T-63-51
T-63-52 Overheating TR4
T-63-53 HS2 Carburetors Spitfire
T-63-54 Brake Hose and Connections Herald/Spit, Sports 6
T-63-55 Heater Hoses Spitfire
T-63-56 Litchfield Green Revised Dupot Spec
T-63-57 Frictionless Propellor Shafts Spitfire
T-63-58 Timing Cover Oil Seal Sports 6
T-63-59
T-63-59A Generator Reinforcing Bracket Herald/Spit
T-63-60 D-Type Overdrive Solenoids Sports 6
T-63-61
T-63-62 Disc Brake Warranty
T-63-63 Disc Brake Parts Information TR4
T-63-64 Clutch Replacements TR4
T-63-65 Chassis Frames Herald
T-63-66 Differential Drain Plug Herald/Spit, Sports 6
T-63-67 Rear Suspension TR4
T-63-68 Smog Control Component List TR4, Herald/Spit, Sports 6
T-63-69 Lichfield Green Paint Revised Color Match
T-63-70 Vendor Item Warranty
T-63-71 Defective Generators
T-63-72 Hood Locating Pins and Brackets Herald 1200, Sports 6
T-63-73 Vertical Link Herald/Spit
T-63-74 Rear Road Springs TR4
T-64-1 Speedometer Cable Run Spitfire
T-64-2
T-64-3 Laycock Overdrives TR4, Herald/Spit, Sports 6
T-64-4 Disc Brake Warranty Procedure
T-64-5
T-64-6 Warranty Claims
T-64-7 Rear End Knock Herald/Spit
T-64-8
T-64-9 Decimal Times on Warranty Claims
T-64-10 Warranty Claims
T-64-11 Paint Color Coding TR4, Herald/Spit, Sports 6
T-64-12 Warranty Claims and Allowances
T-64-13 Bendix Push Button Radio
T-64-14
T-64-15 Master Cylinder Seals Herald/Spit, Sports 6
T-64-16 Valve Springs Herald/Spit, Sports 6
T-64-17 Exhaust System Spitfire
T-64-18 Tire Equipment TR4
T-64-19 Hardtop Sealing Spitfire
T-64-20 Body Water Leaks Spitfire
T-64-21 Maintenance Perdiods TR4, Spitfire
T-64-22
T-64-23 Wire Wheel Conversion TR4
T-64-24 Rear Road Springs Spitfire
T-64-25 Propeller Shafts Herald/Spit
T-64-26 Clutch Slip Herald 1200
T-64-27 Flat Time Schedule Corrections TR4, Herald/Spit
T-64-28 Oil In Speedometers TR4, Herald/Spit, Sports 6
T-64-29 Front Suspension TR4
T-64-30 Distributor Timing Spitfire
T-64-31 Brake Warranty
T-64-32 Starter Solenoids TR4
T-64-33 Goodyear Grand Prix Tires
T-64-34 Time Schedule Adjustment TR4, Herald/Spit, Sports 6
T-64-35 Triumph-Aire Warranty
T-64-36 Lucas Sealed Beam Units
T-64-37 Leaking Heater Radiator Cores TR4, Herald/Spit, Sports 6
T-64-38 Temperature Transmitters TR4, Herald/Spit, Sports 6
T-64-39 Convertible Top Stiching Sealer TR4, Herald/Spit, Sports 6
T-64-40 Clutch Release Bearings TR4, Herald/Spit
T-64-41 Window Winder Regulator TR4
T-64-42 Brake Hose Assemblies TR4, Herald/Spit, Sports 6
T-64-43 Stromberg Carburetors TR4
T-65-1 Transient Free Service
T-65-2 Warranty Claim Numbering Sequence
T-65-3 Convertible Top Warranty Claims TR4, Herald/Spit, Sports 6
T-65-4 Color Coding
T-65-5 Crankcase Breather Service TR4, Spitfire, Sports 6
T-65-6 B.30 BSEI Carburtor Herald
T-65-7 Speedometer Equipment TR4, Herald/Spit, Sports 6
T-65-8 Gudgeon Pin Fit
T-65-9 Front Suspension Specification Change TR4
T-65-10 Rear Spring Data Herald/Spit, Sports 6
T-65-11
T-65-12 Thermostat TR4/TR4A
T-65-13
T-65-14 Wire Wheel Conversion TR4
T-65-15 Negative Ground Vehicle System TR4A
T-65-16 Closed Circuit Breathing TR4/TR4A, Herald/Spit
T-65-17 Tire Pressures TR4A
T-65-18 New Tools TR4A
T-65-19 Soft Top Proceedure TR4A
T-65-20 Radios TR4A
T-65-21 Rear Shock Absorbers TR4A
T-65-22 Steering TR4A
T-65-23 Main and Big End Bearings Herald/Spit
T-65-24 Clutch Assemblies Herald/Spit
T-66-1
T-66-2
T-66-3
T-66-4
T-66-5
T-66-6
T-66-7
T-66-8
T-66-9
T-66-10
T-66-11
T-66-12
T-66-13
T-66-14
T-66-15
T-66-16
T-66-17
T-66-18
T-66-19
T-66-20
T-66-21
T-66-22
T-66-23
T-66-24
T-66-25
T-66-26
T-66-27
T-66-28
T-66-29
T-66-30
T-66-31
T-66-32
T-66-33
T-66-34
T-66-35
T-66-36
T-66-37
T-66-38
T-66-39
T-66-40
T-66-41
T-66-42
T-66-43
T-66-44
T-66-45
T-66-46
T-66-47
T-66-48
T-66-49
T-66-50
T-66-51
T-66-52
T-66-53
T-66-54
T-66-55
T-67-1 Spitfire Speedometer Cable Run Spitfire
T-67-2 Laycock Overdrive TR4, Spitfire
T-67-3 Claims on Gearbox and Rear Axle
T-67-4 Disc Brake Warranty Procedure
T-67-5 GT6 Battery terminal GT6
T-67-6 Warrenty Claims
T-67-7 Paint Color Coding
T-67-8 Spitfire Hardtop Sealing Spitfire
T-67-9 Spitfire Rear Road Springs Spitfire
T-67-11 Piston Grading
T-67-12 Generators and Control Boxes
T-67-13 Gearbox Noise GT6
T-67-14 Gear Lever Rattle TR4/4a
T-67-15 Caliper and Brake Pads T2000
T-67-17 Tire Pressure Reccomendations GT6, TR4a, Spitfire, T2000
1-A-1 Ignition Timing GT6, TR250, Spitfire
1-A-2 13lb cooling sytem Spitfire
1-A-3 Cylinder Head Torque GT6+
1-A-4 Engine Sealing Block GT6+, TR250/TR6, Spitfire
1-A-5 Oil Pump Screen GT6+, TR250/TR6
1-A-6 Accelerator Linkage GT6+
1-A-7 Exhaust Flange Nuts Spitfire mk3
1-A-8 Distributor TR6
1-A-9 Single Stromberg Carburetor Spitfire mk3
1-A-10 Piston Grading GT6, TR6
1-B-1 Windshield Wiper Arm Mounting TR6
1-B-2 Battery Cable TR6
1-C-1 Door Glass
1-C-2 Window Winder Handle TR250
1-C-3 Seat Slide Lever
1-C-4 Soft Top Spitfire mk3
1-C-5 Gas Cap Recall GT6+, TR250/TR6
1-C-6 Rear Reflex Reflector Campaign TR6
1-C-7 Heated Back Door Glass GT6+
1-D-1 Rear Gearbox Oil Seals
1-D-2 Clutch Assemblies GT6/GT6+
1-D-3 Mainshaft Thrust Washers GT6+, Spitfire mk3
1-D-4 D-Type Overdrive GT6+, Spitfire mk3
1-D-5 Gearbox 3rd Speed Gear GT6/GT6+
1-D-6 Notchy Gear Selection TR6
1-D-7 Countershaft Gear 1st/Reverse TR4/4a/250/6, T2000
1-D-8 Gearbox Selector Rail Modification GT6+, Spitfire
1-D-9 Rear Axle U-Joint TR6
1-D-10 Constant Pinion & Mainshafts TR6
1-D-11 Tapered Dog Teeth GT6+, TR6
1-D-12 Gearbox Mainshaft Circlip GT6+, Spitfire
1-D-13 Magnetic Drain Plug
1-F-1 Wire Wheels GT6, TR4a/TR250
1-F-2 Revised Tire Pressure GT6+
1-F-3 Disc Brakes GT6, Spitfire
1-F-4 Stop Light Switches GT6+, Spitfire mk3
1-F-5 Dunlop Service Equipment
1-F-6 Front Brake Calipers GT6/GT6+, TR4a/250/6
1-F-7 Suspension Geometry Data
1-G-1 Transient Free Service
1-G-2 Riveting Tool for Soft Tops Spitfire, TR4a/TR250
1-G-3 Recall Campaign – Tire Markings Spit/GT6
1-G-4 Warrenty Registration
1-G-5 Athorized Service Sign
1-G-6 Workshop Manual Error Spit/GT6+
1-G-7 Revised Warranty Claim Form
1-G-8 Triumph Passport to Service
1-G-9 Steering Column Lock Failure
1-G-10 Missing Owner I.D. Plates
1-G-11 Triumph Tool Board
1-G-12 Emissions Test Equipment
1-G-13 Policy and Procedure Manual
1-G-14 Product Problem Early Warning System
71-A-11 Fuel Pump Inertia Cutout Stag
71-A-12 Cooling System Stag
71-A-13 Crankshaft Main Bearing Cap Bolts GT6 mk3, TR6, Spitfire mk4
71-A-14 Valve Springs Stag
71-A-15 Engine Oil Pressure Switch P/N 121138 GT6 mk3, TR6, Spitfire mk4
71-A-16 Engine Number Location Stag
71-B-3 Alternator/Regulator Repairs GT6 mk3, TR6, Spitfire mk4
71-B-4 Wiring Diagram Color Code Stag
71-B-5 Alternators
71-B-6 Distributor Contact Gap Stag
71-C-10 Soft Top Operation Stag
71-C-11 Headlamp Center Recall TR6
71-C-12 Headlamp Center Recall TR6
71-C-13 US safety Weave Seat Belt Recall GT6, TR250/TR6, Spitfire
71-C-8 Safety Recall Campaign – #Z100 Shoulder Harness GT6
71-C-9 Soft Top Stag
71-E-1 Paint Rectification
71-E-2 New Vehicle Dewaxing
72-A-1 Cylinder Head Gaskets
72-A-2 Carburetor Float Chamber Vent Valve Stag, TR6
72-A-3 Inlet Valve Spitfire mk4
72-A-4 Oil Filter Element Stag
72-A-5 Stromberg Carburetor Breakage Spitfire mk4
72-A-5 Anti Run-On Valve
72-A-6 Flywheel Bolts Spitfire
72-A-7 Exhaust Manifold Gaskets TR6
72-A-7A Correction to 72-A-7
72-B-2 Alternator Mounting Spacer Spitfire mk4
72-B-3 Lucas ACR Alternators
72-B-4 Alternator TR6
72-B-5 16RA Alternator Control Relay Stag
72-B-6 ACR Alternators
72-B-7 Batteries
72-B-8 Lucas Wiper Motors
72-B-9 Surge Protection on ACR Alternators
72-C-1 Hood Catch Release Stag
72-C-2 Replacement Door Glass P/N V038 TR6
72-D-1 Clutch Slave Push Rod Clevis Pin Stag, TR6
72-D-2 Clutch Driven Plate Spitfire mk4
72-D-3 Borg Warner Transmission Fluid Level Stag
72-D-4 Inhibitor Switch Stag
72-F-1 Brake Squeal TR6
72-F-2 Lower Steering Swivel Lubrication
72-F-3 Tire Service Request Form
72-F-4 Rear Exhaust Hanger TR6
72-G-1 Special Service Tool Requirments GT6 mk3, Stag, TR6, Spitfire mk4
72-G-10 Repair Time Schedule GT6 mk3, Stag, TR6, Spitfire mk4
72-G-11 Sun Automotive Equipment GT6 mk3, Stag, TR6, Spitfire mk4
72-G-12 Repair Time Schedule GT6 mk3, Stag, TR6, Spitfire mk4
72-G-13 Passport To Service GT6 mk3, Stag, TR6, Spitfire mk4
72-G-14 Service Manual Spitfire mk4
72-G-2 Triumph Tool Availability GT6 mk3, Stag, TR6, Spitfire mk4
72-G-3 Passport To Service GT6 mk3, Stag, TR6, Spitfire mk4
72-G-4 Spare Key Location GT6 mk3, Spitfire mk4
72-G-5 Seat Belt Warning System GT6 mk3, Stag, TR6, Spitfire mk4
72-G-6
72-G-7 Unified Warranty Policy and Procedures GT6 mk3, Stag, TR6, Spitfire mk4
72-G-8 Metric Threaded Units GT6 mk3, TR6
72-G-9 Inertia Reel Seat Belts GT6 mk3, Stag, TR6, Spitfire mk4
72-Z-1 Recall Campaign A.417 Stag
72-Z-2 Recall Campaign A.414 TR6
72-Z-3 Recall Campaign A.418 GT6 mk3
72-Z-4 Modification Code B.401 Stag
72-Z-5 Recall Campaign A.418 GT6 mk3
72-Z-6 Recall Campaign A.421 GT6 mk3
72-Z-7 Recall Campaign A.422 Spitfire mk4
73-D-10 Rear Axle and Gearbox
73-D-8 Clutch Pedal Lubrication
73-G-1 Dealer Service Equipment GT6 mk3, Stag, TR6, Spitfire mk4
73-G-11 Warranty Policy and Proceedure GT6 mk3, Stag, TR6, Spitfire mk4
73-Z-1 Modification Code A.423 Spitfire mk4
73-Z-2 Recall Campaign Closing GT6, Stag
74-A-4 Carburettor Vent Valve Adjustment
74-H-1 Anti-Freeze GT6 mk3, Stag, TR6, Spitfire mk4
75-A-1 Pistons Stag, TR6, Spitfire mk4
75-A-2 Cylinder Head Torque TR7
75-A-2A Cylinder Head Torque TR7
75-A-3 Change of Spark Plugs TR7
75-C-3 Elimination of Facia Squeaks TR7
75-C-5 Hood Release TR6
75-D-2 Gearbox Modifications TR6
75-D-5A EGR Service Indicator Drive Cable Failure Spitfire 1500
75-D-6 Selector Shaft Yoke Bushing TR7, Spitfire 1500
75-F-1 Rear Wheel Camber TR6
75-F-2 Front Suspension Blocks TR7
76-A-1 Coolant Loss TR7
76-B-10C Servicing Electronic Distributor Modules TR7, Spitfire 1500
77-A-1 Crankshaft Spigot Bust Squeal TR7
77-A-3 Cylinder Head Gasket TR7
77-A-6 Exhaust Downpipe and Flange Failures Spitfire
77-D-1 Reverse Gear Set TR7
77-D-2 Reverse Gear Ratio TR7
Sports/8/R Eight/10/R August 1955 Don't twist the rubber brake hoses when installing them
EIGHT/12/B EIGHT/12/B September 1957 Champion changing spark plug numbers: Normal use L10S becomes L7, race/rally use L11S becomes L5.
EIGHT/21/E EIGHT/21/E December 1957 Failure of unidirectional switch allows overdrive to be engaged in reverse causing overdrive failure
EIGHT/9/B EIGHT/9/B June 1957 Ignition timing by the trace detonation method
Sports/1/B Sports/1/B April 1954 Deals with high tach failure rates and specifys a way to route the tach cable.
Sports/1/C Sports/1C June 1955 Original TR2 thermostat housing and radiator replaced starting commission number TS1201
Sports/1/D Sports/1/D June 1954 Switch to up rated clutch shaft pin starting with commission number TS411
Sports/1/E Sports/1/E March 1954 Sealing overdrive solenoid to protect from water damage
Sports/1/F Sports/1/F May 1954 Deals with rear hubs working loose under competition.
Sports/1/G Sports/1/G May 1954 Announces introduction of front hub upgrade.
Sports/1/H Sports/1/H February 1955 Rear spring rates altered to help handling on high speed cornering on rough surfaces. Went into production starting with commission # TS3175
Sports/1/J Sports/1/J July 1954 Announces availability of skid plate for rally work. Provides fully dimensioned set of drawings.
Sports/1/L Sports/1/L April 1954 Wheels should be balanced whenever changes made.
Sports/1/M Eight/2/M January 1954 deals with noise suppressors to meet new regulations regarding radio interference.
Sports/1/N Eight /4/M January 1954 Provides list of new fire resistant adhesives approved for use by service departments
Sports/1/P Sports/1/P August 1954 Proper adjustment and maintenance of the S.U. H4
Sports/1/R Sports/1/R April 1954 New rear brake attachment bolts for added strength starting commission TS740
Sports/1/S Sports/1/S May 1954 Too many people complained about the TR having a loud muffler. Resonator added behind muffler.
Sports/10/B Sports/10/B August 1955 Mentions customer complaints from engine knocking in the 1500 to 2000 RPM range., how the knock is cured and that the cure went into production engines starting with TS7713E
Sports/10/E Sports/10/E February 1955. How-to convert a gear box with early over drive to new overdrive that works in second and third gears.
Sports/10/F Rear Axle Lubricants
Sports/10/N SPORTS/10/N July 1957 Metal strap added to inside hard top to help keep the headliner in place.
Sports/10/R SPORTS/10/R October 1956 Front disk brakes introduced. NEW METHOD TO SET FRONT BEARING FREE PLAY
Sports/10/R SPORTS/ 10/R October 1956 Discussed tin can style hydraulic fluid reservoir.
Sports/11/B Sports/11/B September 1955 How to recondition that camshaft bearing housing in an engine block
Sports/11/F VANGUARD III/2/F & VANGUARD III/2/F January 1957 both deal with making the washer on the pinion shaft thicker. Flange nut torque is 85-100 Lbs Ft.
Sports/11/R SPORTS/11/R September 1957 Restrictor valve added to brake circuit as cure to loosing brake pressure on disk brake models after a hard corner. Added on TS20320 and newer.
Sports/12/B Sports/12/B September 1955 The factory decided to raise oil pressure to 70 lbs pressure at 2000 RPM, 70 degrees C. Asked dealer to make that adjustment.
Sports/12/R SPORTS/12/R December 1957 There is an aftermarket wheel finisher that may cause damage to disk brake bridge pipe .
Sports/13/B Sports/13/B December 1955 The factory changed harness specifications on cylinder head nuts because of reported failures. The change was rolled into production starting with engine TS8937E
Sports/13/E EIGHT/17/E May 1957 Cause for oil entering speedometer
Sports/13/R SPORTS/13/R December 1957 Incorrect adjustment of the brake pedal top stop may cause disk brake binding on cars equipped with a restrictor.
Sports/14/B sports/14/B December 1955, different spark plugs specified for cars shipped to countries with low octane fuels (these cars were also factory fitted with 7:1 heads).
Sports/15/B Cylinder Liner Gasket
Sports/17/B SPORTS/17/B February 1956 Reduces spark gap in factory recommended Champion L10S spark plugs to 0.025 inches for better cleaning under long stop and go traffic conditions
Sports/19/B SPORTS/19/B may 1956 New big end rod bearings designed to better handle competition. The new bearing was introduced into production with engine TS11427E.
Sports/2/B Sports/2/B April 1954 Crank case breather throws too much oil at sustained high revs. Modified crank case breather fitted starting engine TS972E
Sports/2/C Radiator Thermometer
Sports/2/E Sports/2/E April 1954 Deals with problem of jumping out of second gear on overrun.
Sports/2/F Sports/2/F June 1954 Deals with upgrade to rear crown wheel attachment
Sports/2/G Sports/2/G June 1954 Add an additional steering wheel brace starting commission number TS1390
Sports/2/H SPORTS/2/H March 1956 Softer front shocks introduced into production starting at TS10132. Change was to answer customer complaints. Stiffer front shocks become a dealer option for competition use.
Sports/2/J Sports/2/J November 1954 Rear shock mounts break under competition conditions. Improvements fold into assembly with TS4699
Sports/2/L Sports/2/L May 1954 Lug nuts being commonly over torqued. Introduction of stronger larger lug nut Starting commission TS1634
Sports/2/M Sports/2/M February 1954 Flasher units reoriented from horizontal to vertical because of failures in horizontal position.
Sports/2/N Sports/2/N October 1954 Sealing stitching to eliminate leaks.
Sports/2/P Sports/2/P February 1955 Some rally cars have had rocks thrown up break the glass fuel sediment bowl. This service bulletin provides drawings and dimensions for a self made rock shield that can be fitted to rally cars.
Sports/2/Q Sports/2/Q November 1954 lists the special tools for maintenance of a Triumph providing Churchill part numbers.
Sports/2/S SPORTS/ 2/S May 1956 Deals with exhaust pipe vibration
Sports/20/B SPORTS/20/B October 1956 New full flow oil filter introduced into production starting with engine TS12650E.
Sports/25/B SPORTS/25/B September 1957 Redesign of big end rod bearing to allow more oil flow starting with engine TS20780E
Sports/3/A Sports/3/A July 1954 Provides updated list of TR2 torque specs. Note this a a very comprehensive list of torque specs
Sports/3/B Sports/3/B June 1954 First TR2 cams flexing a lot. Cam stiffened starting engine TS1636E. Also push rods shortened from 10.37 inches to 10.34 inches to compensate for new cam.
Sports/3/E Sports/3/E April 1954 Deals with jumping out of reverse gear.
Sports/3/F Sports/3/F August 1954 Churchill is designing a new tool for assembly rear hubs.
Sports/3/G Sports/3/G July 1954 Goes into the correct method for fitting felt seals to front hubs (drum brake)
Sports/3/J Sports/3/J March 1955 strengthened jack introduced, Added to tool kits starting with commission # TS5469. Jack pint on car also modified to allow jack to fit.
Sports/3/L Sports/3/L January 1955 maintenance of spoke wheels (Should be carried out every 5000 miles)
Sports/3/M Sports/3/M June 1954 Wiper spindle attachments moved starting TS995
Sports/3/N Sports/3/N December 1954 Battery drain tube added starting commission TS3288 Drawings show proper routing of drain.
Sports/3/P SPORTS/3/P February 1956 Modifies accelerator pedal stop limit arrangement on LHD cars.
Sports/4/E Sports/4/E April 1954 Deals with accidental engagement of reverse gear
Sports/4/F Sports/4/F November 1954 High rate of rear bearing failure due to incorrect assembly
Sports/4/G Sports/4/G August 1954 Reports of fractures in trunnion from incorrect fitting. Goes over proper fitting method.
Sports/4/L India Tyre Tubes
Sports/4/M Sport/4/M December 1954 Tach cable is fouling over drive cable so new clamp added to tach cable to help secure it in place.
Sports/4/N Sports/4/N January 1955 Additional water seals added to side doors.
Sports/4/P SPORTS/4/P February 1956 Introduces new SU needle into production starting with engine TS10037E. New needle slightly richens up low RPMs.
Sports/5/B Sports/5/B November 1954 Provides extensive list of engine part dimensions and clearances.
Sports/5/E Sports/5/E October 1954 revisits water getting into overdrive solenoid.
Sports/5/F Sports/5F December 1954 Announces additional changes to rear crown wheel attachment bolts.
Sports/5/G Sports/5/G March 1955 Additional bracing for steering column.
Sports/5/L SPORTS/5/L January 1957 New wire wheel hubs introduced for TR3s with disk brakes. Adapter nuts to be torqued to 65 lbs FT then RETORQUED after about 10 miles of use. New hubs introduced after TS13000.
Sports/5/M Starter Motor
Sports/5/P SPORTS/5/P June 1957 Carburettor float support bolt grommet deteriorates with prolonged contact with some types of gas. A spare set of four grommets were added to the tool kit after approx. TS18800.
Sports/5/R Sports/5/R March 1955 Deals with master cylinder fluid leakage by telling the shops not to overfill he reservoirs and suggesting that the cap breather holes should be 90 degrees to the return fluid flow path.
Sports/6/B Sports/6/B December 1954 Pistons extensively used in rally work cracking crowns. The piston design was modified to add webbing at the crown. The new piston was folded into production with engine TS4882E.
Sports/6/F Sports/6/F March 1955 Rear axle seals still leak under racing conditions. Provides a fix for racers with leaks.
Sports/6/G Sports/6/G December 1955 Bushings for front suspension bottom inner fulcrum bearings changed from rubber o Nylon stating with commission TS9121. This was for increased seal life.
Sports/6/N Eight/19/N December 1955 Lists manufacturer's paint codes for paints used on1955 Triumphs
Sports/6/R Sports/6/R March 1955 Original 9 inch brake drums supplied on rears of TR2 replaced with 10 inch drum. They used up old stock so the implementation started out in groups: TS5442 toTS5449, TS5454 to TS5465 then TS5481 and newer.
Sports/7/B Sports/7/B June 1955 Use of sealing compound at the joint between the oil filter flange and cylinder block
Sports/7/F Sports/7/F September 1955 Strengthened rear axle nuts allows torque setting to be increased from from 110-120 lb .ft. to 125-140 lb. ft. Change folded into assembly. line at rear axle TS8039, approx commission # TS7700.
Sports/7/N Paint Thinners
Sports/8/B Sorts/8/B June 1955 Mentions the factory got a shipment of bad cork valve cover gaskets that leak
Sports/8/E Sports/8/E February 1955 Rubber gearbox grommet up rated because of damage. Change folder into assembly with car TS5352
Sports/8/F Sports/8/F September 1955 Blocked rear axle breathers causing oil to be forced out front pinion seal Suggests breathers be checked for blockage more frequently.
Sports/8/N SPORTS/8/N April 1957 New hole added to frame to allow a socket wrench to be used when R&Ring the rear shocks.
Sports/9/B Sports/9/B June 1955 Mentions that rocker shaft pedestal suds have been breaking under race conditions and that the factory is uprating the studs starting with Engine TS6238E, Commission TS5849
Sports/9/E Sports/9/E June 1955 Parts changes made to eliminate gear shift lever rattling noise. Changes folded into factory assembly starting with car TS2579
Sports/9/F Sports/9/F November 1955. leaking rear hub seals continue to plague thee factory. Rear hubs and seal sizes are changed. Both changes wee folded into assembly by axle number TS8801, commission # 8269.
Sports/9/R SPORTS/9/R March 1956 Moved grease nipple on trunnion to make it easier to get to. Bridge pipe assembly modified. This was introduced with car TS10341
VANGAURD III/3/B VANGAURD III/3/B February 1956 strengthened filter to engine block flange to reduced distortion leakage, starting engine TS9952E
VANGUARD III/5/B VANGUARD III/5/B March 1956 Rear generator mount strengthened starting TS10345E
VANGUARD III/5/B VANGUARD III/5/B March 1956 modified generator front mount adjustment. Specified torque setting now 16-18 pounds.
Vanguard III/9/B Vanguard III/9/B March 1957 1/8th inch dia hole added to rear camshaft journal to prevent oil build up between rear of camshaft and plug. Change incorporated starting with engine TS13476E.

Bulletins Not Yet Located

The following bulletin numbers are known to have existed but a copy has not yet been located. If you have one of these in your files, please contact us.

Bulletin # Subject Model(s)
71-B-1
71-B-2
71-C-1
71-C-2
71-C-3
71-C-4
71-C-5
71-C-6
71-C-7
71-G-19 Safety Recall Campaign – #A407 Filler Hose Stag
71-G-20 Safety Recall Campaign – #A408 Vacuum Lines Stag
71-G-23 Safety Recall Campaign – #A405 Windhield Washer Valve
71-G-24 Coolaire Air Conditioning Kits TR6
72-B-5A 16RA Alternator Control Relay Stag
72-G-15+
72-G-6
73-A-1
73-A-2
73-A-3 Cylinder Gaskets Stag
73-A-4
73-A-5 High Idle Condition
73-A-6 Cylinder Head Torque Stag
73-A-7
73-A-8 Oil Filter Removal TR6
73-B-1 Ballast Resistor Stag
73-C-1 Vyback Rear Windows Creasing
73-C-2 1974 Seatbelt Interlock System
73-D-1 Gearbox Thrust Washer GT6, Stag, TR6
73-D-2 J Typd OD Incorperation GT6, Stag, TR6
73-D-1A Gearbox Thrust Washer
73-D-3 Gearbox Helix Angle 35 to 40 Stag, TR6 #CC89817
73-D-4
73-D-5 Revised First Gear Ratio 33/16 to 32/17 TR6 #CC89817
73-D-6
73-D-7 Gear Lever Rattle, spring change Stag, TR6 #CC91683
73-D-8 Clutch Pedal Lubrication
73-D-9
73-D-10 Axle/gearbox overfilling
73-F-1 Steering Lock Stop Stag
73-G-2+
73-G-9 Gas Analyzing Equipment
74-A-1 Exhaust Gas Recirculation (E.G.R.) System
74-A-2 Operation No. 12-29-11 (Sect. F) Cylinder Head Remove & Refit, Spitfire 1500
74-A-3 Oil Filter Sealing Ring Stag
74-A-4 Carburettor Vent Valve Adjustment
74-A-5 Twin Contact Breaker Ignition Distributor Noise Stag
74-A-6 Cylinder Head Tappet Bores Stag
74-B-1 Windscreen Wiper Arm Setting Procedure Spitfire, TR6
74-F-1 Rear Halfshaft Hub Attachment Nut Change TR6
74-G-1 Operation Repair Time Change Spitfire
74-G-4 Owner's Identification Plate
74-G-5 Seat BeltInterlock Test Unit Type SBM-1X (Pektron) Part #BLT.5006
74-G-All
75-A-1
75-A-2
75-A-2A
75-A-3
75-C-1 Front Number Plate Mounting Position
75-C-3 Elimination of Facia Squeaks TR7
75-C-4 Windshield Removal/Replacement TR7
75-C-5
75-C-6
75-C-7 Hood Stay Modifications TR7
75-C-8
75-C-9
75-C-10
75-C-11 Heater Air Intake Aperature TR7
75-D-3 Gearbox Oil Leaks
75-D-5A
75-D-6 Selector Shaft Yoke Bushing Spitfire, TR7
75-D-6A Selector Shaft Yoke Bushing Spitfire, TR7
75-D-6B Selector Shaft Yoke Bushing Spitfire, TR7
75-F-1 Rear Wheel Camber TR6
75-F-2
76-A-1
76-B-10C
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