Service Bulletins

BL Technical Service Bulletins 1970s Section B

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Published: Thursday, 04 February 2021 01:52
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Technical Service Bulletins

Index 1970s

Section B Electrical

Bulletin Number Date Model Range Subject
3-B-1 1 February 1970 Austin America Deflector Shield – HAC 657
3-B-2 1 February 1970 Austin America Distributor Waterproofing
3-B-3 1 March 1970 MGB and MGB/GT Starter Motor Water Ingress
3-B-4 1 March 1970 All 1970 Models Wiring Diagrams
3-B-5 1 March 1970 Austin America Hard Starting
3-B-6 May, 1970 All Models Horn Maintenance
71-B-7 January, 1971 MGB, MG Mdiget Ignition Locks
71-B-8 January, 1971 All Models Battery Claims
71-B-8_issue2 7 April 1971 Austin – MG Battery Service
71-B-9 April, 1971 Austin America, MGB Alternator/Regulator Repairs
71-B-10 June, 1971 MGB Battery Equipment
71-B-11 September, 1971 Austin America (Air Conditioned) Lucas Alternators
71-B-12 November, 1971 Austin America Fresh Air Heater Controls Outer Cable Retention
72-B-1 March, 1972 MGB and Midget – January 1972 Productoin and Onwards Wiring Diagram – Seat Belt Warning System
72-B-2     Lucas ACR Alternators
72-B-3 November, 1972 All Batteries
72-B-4 November, 1972 All Models Lucas Wiper Motors
72-B-5 January, 1973 All Models Surge Protection Device for 15, 16, 17 & 18 ACR Alternators
73-B-1 July, 1973 All Alternators
76-B-1      
76-B-2 June, 1976 MGB & Midget, 1975/76 – Catalyst Equipped Elimination of Catalyst Service Warning Light
76-B-3 August, 1976 All Models Windtone Horn Adjustment
76-B-4 October, 1976 Midget 1500, MGB Servicing of Electronic Modules for In-Built Electronic Distributors

BL Technical Service Bulletins 1970s Section A

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Category: Service Bulletins
Published: Thursday, 04 February 2021 01:51
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Technical Service Bulletins

Index 1970s

Section A Engine

Bulletin Number Date Model Range Subject
3_A_1 2nd issue 1 February 1970 Austin America Crankshaft Connecting Rod Journal Diameters
3_A_2 1 February 1970 All “A” Series Engines Equipped with Manual Transmission Crankshaft Primary Gear Oil Leakage
3_A_3 1 March 1970 All 1275cc Engines Valve Stem Seals
3_A_4 1 March 1970 Austin America Radiator Shroud Rubber
3_A_5 1 March 1970 Sprite and Midget Accelerator Sticking
3_A_6 May, 1970 Series A Engines Loose Manifolds
3_A_7 May, 1970 Austin America Cooling System Expansion
3_A_8 July, 1970 Austin America Automatics Equipped with Air Conditioning Oil Filter Replacement
3_A_9 24 October 1970 MG and Austin America Gulp Valves
71-A-10 May, 1971 Austin America Choke Setting
71-A-11 July, 1971 Austin America Choke Cable Failure
71-A-12 July, 1971 All Models Gulp Valves
71-A-13 July, 1971 All Austin Americas Correct Operation of Choke Control
71-A-14 August, 1971 MGB Valve Rocker Gear Lubrication
71-A-15 August, 1971 Austin America, Automatic Oil Pump Driveshafts and Couplings
71-A-16   MGB Connection Rod Nuts
72-A-1 March, 1972 MGB and MGB/GT 18 V Engines Tappets & Push Rods
72-A-2 April, 1972 MGB H.I.F. Carburetor
72-A-3 April, 1972 1972 MGB and MGB/GT Choke ‘O’ Ring H.I.F. Carburetor
72-A-4   All Oil Consumption
72-A-5     Anti Run-On Valve
72-A-6 January, 1973 MGB Engine Oil Capacity
72-A-7      
72-A-8      
72-A-9   All 1973 Models Anti Run-On Valve
73-A-1 January, 1973 MGB & GT Steel Engine Fan Replaced by Plastic Fan
73-A-1A August, 1973 MGB & GT Steel Engine Fan Replaced by Plastic Fan
73-A-2     Gulp Valves
73-A-2A January, 1973 All Models Amendment to 73-A-2 – Gulp Valves
73-A-3 March, 1973 All Models Carburetors
73-A-4     Connecting Rods
73-A-5 March, 1973 MGB & MGB/GT Throttle Cable
73-A-6 May, 1973 Marina Starter Ring Gear
73-A-7 May, 1973 MGB & MGB/GT Spin-on Engine Oil Filter Deluxe Oil Filter
73-A-8 June, 1973 Marina Fuel Tank Slow Filling
73-A-9 June, 1973 Marina Fuel Pump Heat Shield Oil Seepage
73-A-10 July, 1973 Marina (air conditioned only) Engine Restraint Cable
73-A-11 November, 1973 All 1974 Models Seat Belt / Starter Interlock System
73-A-12 November, 1973 All Models Lubrication Specifications
73-A-13   All Oil Filters
75-A-1      
75-A-2      
75-A-3      
75-A-4      
75-A-5      
75-A-6 August, 1975 Midget 1500 CC Midget 1500 CC Overheating
       
76-A-1      
76-A-2      
76-A-3      
76-A-4 June, 1976 All Cross Reference European to U.S. Wire Sizes
76-A-5      
76-A-6 October, 1976 Marina and MGB Engine Oil Starvation
76-A-7 October, 1976 MGB Automatic Choke Assembly

 

BL Technical Service Bulletins 1967-68-69 Section G

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Category: Service Bulletins
Published: Thursday, 04 February 2021 01:50
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Technical Service Bulletins

Index 1967-68-69

Section G Miscellaneous

Bulletin Number Date Model Range Subject
2_G_1 30 January 1967   Warranty Credits for Lubricants
2_G_2 30 January 1967   Customer Identification Plates
2_G_3 30 January 1967   Technical Service Bulletin Binders Index for 1966
2_G_4 14 March 1967   Passport-to-Service
2_G_5 28 April 1967 All Models Recommended Lubricants
2_G_6 28 April 1967   Maintenance of Wet Charged Batteries on New Vehicles
2_G_7     BMC Tool Board
2_G_8     Claim Submitted for 1000-Mile Services
2_G_9   Austin Healey Sprite MK IV, MG Midget III Owners Handbooks – AKD 4850 and AKD 4849
2_G_10   MGB Optional Fan Part #CA 3231 with Coolaire Air Conditioning
2_G_11     Vehicle Serial Number Suffix
2_G_12   Mini and 1100 Range Inner Drive Coupling and ‘U’ Bolts
2_G_13     Warranty Customer Identification Plate
2_G_14   1100 Automatic Service Tools
2_G_15   1100 Automatic Service Tools
2_G_16   Part Number HAC 60 BMC Special Tool Synchro-Check All Dual Carburetter Models
2_G_17 15 January 1968   HAC 61, SU Carburetter Piston Loading Tool for Exhaust Emission Control Tuning
2_G_18 15 January 1968   BMC Approved Performance Test Equipment, Marquette Corporation
2_G_19 15 January 1968 1968 Vehicles Customer I.D. Plate Holder
2_G_20 1 March 1968   Passport-to-Service
2_G_21 1 March 1968   Exhaust Emission Manual AKD 4957
2_G_22 1 May 1968 MGB, MGB/GT, Austin America from 1968 on Commission Numbers
2_G_23 1 April 1968 Austin America Warranty Policy and Procedures Extended Warranty
2_G_24 1 April 1968 Austin Healey Sprite, MG Midget and Austin America 18G 1002 Piston Wrist Pin Remover and Replacer Tool
2_G_25 3 June 1968   Warranty Registration Cards Zip Coded
2_G_26   MGB, MGB/GT, Sprite, Midget, Austin America Schedule of Repair Times
2_G_27   All Models BMC Special Tools, Minimum Tool Requirements
2_G_28 16 October 1968 All Models Additional BMH Special Tools Available
2_G_29     Tool 18G 579 – Transverse Transmission First/Third Motion Shaft Bearing Replacer
2_G_30 16 October 1968 MGC, MGC GT Technical Data
2_G_31 1 February 1969 All Models Operational Time Change Request Form
2_G_32 1 February 1969 Austin/MG Division Re-Designed Bulletin Paper
2_G_33   Austin/MG Division 1,000 Mile Inspection Allowance
2_G_34   Austin America 3rd to 4th Gear Slip or Flare-Up – Automatic Transmission
2_G_35 1 May 1969 Austin America Extended Warranty
2_G_36 1 July 1969 Austin America 3rd to 4th Gear Slip or Flare-Up – Automatic Transmission
2_G_37 20 August 1969 Austin America Remover/Replacer – Oil Seal – Primary Gear
2_G_38 20 August 1969 MGC Shop Manual
2_G_39 20 August 1969 All Models Schedule of Repair Times HAC 38 (Revised Edition)
2_G_40 1 October 1969 All Models Austin/MG Special Service Tools, Minimum Tool Requirements
2_G_41 1 October 1969 All Models Additional Austin/MG Special Service Tools
2_G_42 1 December 1969 All Models Austin/MG Special Service Tools, Minimum Tool Requirements
2_G_43 1 December 1969 All Models Austin/MG Tool Board, Existing and Additional Section DID 13 and DID 13/3

 

BL Technical Service Bulletins 1967-68-69 Section F

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Category: Service Bulletins
Published: Thursday, 04 February 2021 01:50
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Technical Service Bulletins

Index 1967-68-69

Section F Body

Bulletin Number Date Model Range Subject
2_F_1 30 January 1967 1100 Range Improved Sealing – Rear Radius Arm Pivots
2_F_2 30 January 1967 Mini Cooper ‘S’ Lower Wishbone Bushes
2_F_3 30 January 1967 Mini Cooper ‘S’ Rear Hub Bearings
2_F_4   Mini Range, 1100 Range Foot Brake – Replacement of Pressure Regulating Valve End Plug and Aluminum Gasket
2_F_5   Mini Range, 1100 Range Steering Rack Assembly
2_F_6   Hydrolastic Mini Range Trim Heights
2_F_7   MGB, MG Midget, Austin Healey Sprite Shock Absorbers
2_F_8   1100 Range Exhaust Mountings
2_F_9 29 September 1967 All Models Brake Disc Re-Grinding
2_F_10 29 September 1967 Hydrolastic Equipped Vehicles Tracing Hydrolastic Suspension Leakage
2_F_11 29 September 1967 General Selectaride Adjustable Shock Absorbers
2_F_12 29 September 1967   Bearing Lubrication – Non-Drive Hubs
2_F_13 29 September 1967 MGB and MGB/GT Handbrake
2_F_14 29 September 1967 All Models Tire Pressures
2_F_15   Mini Range, 1100 Range Steering Column to Steering Pinion Alignment
2_F_16   1100 Range Steering Rack Rattles
2_F_17   MGB and MGB/GT Radial Ply Tires
2_F_18 1 March 1968 MGB and MGB/GT Prior to 1968 Models Reduced Braking Efficientcy in Wet Weather
2_F_19 1 April 1968 All BMC Vehicles with Disc Brakes Brake Fluid
2_F_20 3 June 1968   Hydrolastic Sspension Pressures
2_F_21   All Models Lashing Brackets
2_F_22   All Models Radial Ply Tires – Dunlop Type SP 68
2_F_23   Austin America Left Hand Front Displacer Unit
2_F_24   Mini Cooper and Cooper ‘S’, 1100 and Austin America, Sprite/Mdiget, MGB, MGC Steering/Suspension Angles and Tolerances
2_F_25     Hydrolastic Sspension Pressures
2_F_26   Austin America Stiff Steering
2_F_27 15 November 1968 Austin America Front Suspension Tie Rod
2_F_28 17 March 1969 Austin America Exhaust Pipe Mountings
2_F_29 revised 17 March 1969 Austin America Fitting New Down Pipe to Existing Muffler
2_F_30 3 April 1969 MG Midget, MGB (Wire Wheels), MGB/GT Recall Campaing – Tire Markings
2_F_31   Sports Cars Wire Wheels
2_F_32 20 August 1969 All Models Fitted with Hydrolastic Suspension Trim Heights
2_F_33 1 December 1969 Austin America Steering Wheel Center Motif ‘Popping Out’
2_F_34 1 December 1969 MGB & MGC Rear Hub Oil Leaks