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MGB
Workshop manual
MG MGB Workshop Manual
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Table Of Contents
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Contents
Table of Contents
Bookmarks
Table of Contents
Contents
General Data
18G, 18Ga
18Gb
The Engine
Table of Contents
General Description
Oil Pressure
Lubrication
Engine Oil Filter
Oil Pressure Relief Valve
Water Pump
Rocker Assembly
Manifolds
Cylinder Head Assembly
Refitting Rocker Bushes
The Cylinder Head Components
Key to the Cylinder Head Components
Valve Gear and Valves
Refitting the Cylinder Head
Removing and Replacing Valves
Removing and Replacing Valve Guides
Grinding and Testing Valves and Seatings
Checking Valve Timing
Adjusting Valve Rocker Clearances
The Cylinder Block Components
Tappets
Decarbonizing
Timing Chain Cover
Timing Chain
Timing Chain Tensioner
The Chain Tensioner Components
Sump and Strainer
Oil Pump
Main and Big-End Bearings
Big—End Bearings
Main Bearings
Pistons and Connecting Rods
Pistons and Gudgeon Pins (18G/18GA)
Piston Rings
The Engine Internal Components
Examination
Piston Sizes and Cylinder Bored
Checking the Piston Ring to Groove Clearance
Checking a Piston Ring Gap
Renewing the Camshaft Bearings
Removing the Front and Rear Liners
Removing the Centre Liner
Replacing the Front and Rear Liners
Replacing the Centre Liner
Reaming the Liners
Reaming the Centre Liner
Reaming the Front and Rear Liners
Removing and Replacing the Crankshaft
Removing and Replacing the Flywheel
Fitting Flywheel Starter Rings
Removing and Refitting the Engine and Power Unit
The Engine Mountings
Key to the Engine Mountings
Engine Controls
Removing the Power Unit
Exhaust System
Closed-Circuit Breathing System
Distributor Driving Spindle
Piston and Connecting Rod
Pistons and Connecting Rods
18Gb
Press Fit Gudgeon Pin
Valve Seat Inserts
Ignition Timing Indicator
Valve Seat Machining Dimensions
Valve Gear
Front Cover and Oil Seal
Later Engines
Single Valve Spring
Timing Chain and Tensioner
Timing Chain Tensioner Assembly
Engine Restraint
The Ignition System
Distributor
Cam Bearing
Cam
Automatic Timing Control
Servicing the Distributor
Contact Breaker Points
Vacuum Advance
Centrifugal Advance
Removing and Replacing the Distributor
Dismantling the Distributor
The Distributor Components
Examining the Distributor
Assembling the Distributor
Static Ignition Timing
Tassembling
Texamining
High-Tension Cables
The Vernier Adjustment Nut
The Correct Method of Connecting High-Tension Leads
Ignition Coil
Sparking Plugs
Locating the Cause of Uneven Firing
Testing the Low-Tension Circuit
Locating a Low-Tension Circuit Fault
Renewing Contact Breaker Points
Removing a Contact Breaker Set—Lucas 45D4
Contact Breaker Gap—Checking—Adjusting
Distributor Cap
Distributor Dwell Angle
Refitting the Drive Dog (Lucas Type 45D4)
Refitting the Base Plate (Early Cars)(Lucas Type 45D4)
The Cooling System
Thermostat
Temperature Gauge
Draining, Flushing and Refilling the Cooling System
Removing the Filler Cap
The Fan and Water Pump Component
Key to the Fan and Water Pump Components
Fan Belt
Radiator and Diaphragm
Filling the Cooling System
Cold Weather Precautions
Pump with Later-Type Seal,Thrower Deleted
Draining and Refilling the Cooling System
Radiator
Fan Motor
Fan Motor Test
Radiator Fan Motor Components
The Fuel System
The auf 300 and HP Fuel Pump Components
Body and Valves
Type HP
Pedestal and Rocker
Diaphragm Assembly
Body Components
Contact Blade
Contact Gap Settings
Modified Rocker Assemblies
Earlier-Type Rocker Assemblies
Priming
Air Leak Check
Valve Seat Check
Delivery Check
Faulty Diaphragm Action
Noisy Pump
Pump Operates Without Delivering Fuel
The Carburetor Components
Key to the Carburetor Components
Carbuterrors
Slow-Running Adjustments and Synchronization
Checking the Nylon Float Level
Jet-Centring
Float-Chamber
Float-Chamber Flooding
Float Needle Sticking
Air Cleaners
Needles
Piston Sticking
Filter Replacement
Carburetter Tuning (S.U. HIF4)
Carburetter Installation (S.U. HIF4)
Suction Chamber Timing Check (S.U. H11)
The S.U. Type HIF Carburetter Components
Throttle Pedal
Throttle Cable
Fuel Pump
Fuel Tank
Vapour Separator Tank
Leak Testing
The Clutch
The Clutch Components
Clutch Assembly
A Section through the Clutch
Servicing the Clutch
Master Cylinder
Tolerances
Condition of Clutch Facings in Service
Slave Cylinder
The Clutch Control Components
Key to the Clutch Control Components
Bleeding the Clutch System
Bleeding the Clutch Hydraulic System at the Slavecylinder
The Gearbox
The Gearbox Components
Key to the Gearbox Components
Removing the Gearbox
Dismantling the Gearbox
Dismantling and Assembling the Control Timer
Dismantling and Assembling the Rear Extension
Dismantling and Assembling the First Motion Shaft
Dismantling and Assembling the Laygear
Dismantling the Third Motion Shaft
Examination of Components
Assembling the Third Motion Shaft
Assembling the Gearbox
Fitting Replacement Bushes
Reverse Gear
Clutch Withdrawal Fork
Fitting the Gearbox Front Cover
Third Motion Shaft Bushes
The Overdrive
The Overdrive Components
Key to the Overdrive Components
Direct Drive
Overdrive Engaged
Guide to Service Diagnosis
Hydraulic System—Direct Drive
Hydraulic System —Overdrive
Pump Non-Return Valve
Relief Valve
Hydraulic Lever Setting
Overdrive Does Not Release
Operating Valve
Testing Oil Pressure
Reassembling the Unit
Drive Shaft Bearings and Seal
Overdrive Relay System
Cable Colour Code
Gearbox Assembly
Rear Extension
Front Cover
Selector Rods and Forks
First Motion Shaft
Reverse Idler Gear
Third Motion Shaft
Fault Diagnosis
Overdrive Does Not Engage
Overdrive Does Not Disengage
Overdrive Slips When Engaged
Filters
Relief and Low Pressure Valve
Solenoid Valve
Pump and Non-Return Valve
Overdrive Assembly
Overdrive Unit
Overdrive Adaptor
Using the Bridge-Pieces to Remove the Thrust Rods
Fitting the Rear Bearing Using Tool 18G 186
The
Fitting the Rear Oil Sealusing Tool 18G 177
Using Tool 18G 185 to Align the Splines
The Automatic Gearbox
Selector
The Selector Rod Adjuster
Dipstick and Filler Tube
Road Test Procedure
Topping up Fluid
Refilling after Draining
Towing for Recovery
Converter Fault Diagnosis
Stall Test
Air Pressure Test
Down-Shift and Throttle Valve Cable
Front Clutch and Governor Feed
Front Brake Band
Transmission Assembly
Torque Converter
Governor Assembly and Speedometer Drive
Rear Clutch
Valve Bodies Assembly
Governor and Speedometer Drive Gear
The Governor Components
The Valve Bodies Separated
The Check Valves in the Lower Valve Body
Location of the Oil Tubes
The Lower Valve Body
Location of the Pump and Converter Oil Tubes
Front Servo
Rear Servo
The Upper Valve Body
Pump
Withdrawing the Pump Assembly
Using Tool 18G 674 to Check the Gear Train End-Float
Front Clutch
Fitting Order for the Thrust Washer Sand Front Clutch
The Rear Clutch Components
Centre Support and Planet Gears
Forward Sun Gear Components
Using Tool 18G 702 to Refit the Rear Clutch Piston
Fitting the Rear Clutch and Forward Sun Gear
Driven Shaft and Ring Gear
The Gear Train Components
The Drive Shaft
Manual Valve Shaft and Lever
The Propeller Shaft
The Propeller Shaft Components
Key to the Propeller Shaft Components
Removing and Replacing the Propeller Shaft
Dismantling the Propeller Shaft
Examining the Propeller Shaft
Assembling the Propeller Shaft
Propeller Shaft - Sealed Type
The Rear Axle and Suspension
The Rear Axle Components
Key to the Rear Axle Components
Removing and Replacing a Brake-Drum and Axle Shaft
Removing and Replacing a Hub
Renewing the Pinion Oil Seal
Removing the Differential Pinions
Replacing the Differential Pinions
Dismantling the Crown Wheel and Pinion
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General Data
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Table of Contents
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MW
Workshop
Manual
Publication Part No. AKD 3259 (14th Edition)
@
Leyland
Cars—service
Cowley,
Oxford
OX4
2PG,
England
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