Technical Information

DISCLAIMER

All articles, advice on technical matters and contributory material appearing on our Website and our Face Book Group are the personal opinions of the authors concerned and not the MG Y Type Register of the MGCC. Its Directors, Officers, Employees or individuals cannot be held responsible in any way for information posted or published therein.

Member or readers wishing to carry out any tasks outlined in Technical Advice and Support articles should ensure they have the necessary skills and equipment to do so safely. The MGCC Y Type Register accepts no responsibility for any injury or damage, however caused, in the process of following guidance offered in good faith in these articles and posts.

Always seek advice from a competent person before doing anything that could affect the safety of your car.


Technical Questions & Answers

Your questions answered by our Technical Advisor

If you have a technical problem it will be worth checking through previous answers to see if your problem has come up before. All the previous questions and answers are recorded under this title.

CLICK HERE for hundreds of previous Q&As in 16 easy to find categories.


The Classic Y magazine Index 

Researchers may wish to search through past copies of the “The Classic Y Magazine” 


Data Sheets 
The following Data Sheets are now a free download. Other various Publications, Restoration Items and Regalia that the Register produce and market can be found in the Y register shop.
Data Sheet 1- Steering Column Electrics Data Sheet 2- Fitting a Heat Shield YA/B
Data Sheet 3- Fitting Flashing Indicators (by Jack Murray) Data Sheet 4 – Fitting Flashing Indicators (by Neil Cairns)
Data Sheet 5- The Y Type Pedal Box Data Sheet 6 – The Y Type Service Data
Data Sheet 7 – The Smiths Jackall System Data Sheet 8 – Trafficator Semaphore Arms
Data Sheet 9 – Fitting an Alternator Data Sheet 10 – Fitting a Heat Shield YT
Introduction & Buyers’ Guides
An Introduction to the MG Y Series The DNA of an MG Y Type
So you want to buy a ‘Y’ Type YA or YB, That is the Question
Original Y-Type Brochure Registration Information
No Microchips Here Y Ledger Records
Brakes
YA/YT & YB Brakes ( In Old Age ) YA & YB Hand Brakes
Fitting Disc Brakes to a Y Type Relining Y Type Brake Shoes
Y Type Brake Hoses Brake and Clutch Pedal Box
Data Sheet 5- The Y Type Pedal Box Removing Pedal Box Chassis Bushes
Suspension and Steering 
The Anti-Roll Bar Rear Suspension-Leaf Springs
Telescopic Dampers on a Y Type A Guide to Servicing the Anti Roll Bar on a YB
MGA – MGB – Y Type Suspension (front) Nuffield Steering Rack.
Jackall Repairs
Jackall Repairs Original Jackall Drawings
Jackall Data Sheets Fitting a Jackall ram seal
Fitting Jackall pump seals Jackall Tube Nuts Threads and Sizes
Leaking Jackall Ram Seal Data Sheet 7 – The Smiths Jackall System
Electrics and Ignition
Fitting a Battery Y-Type Trafficator Switch
Help Sheets – Fitting Modern LED indicators Diagram of the distances various lights,
flashers and reflectors need to be on a car
Y Type Starter Motors Spark Plugs
Y Wiring Diagrams Electronic Ignition
Data Sheet 1- Steering Column Electrics Data Sheet 3- Fitting Flashing Indicators (by Jack Murray)
Data Sheet 9 – Fitting an Alternator Data Sheet 4 – Fitting Flashing Indicators (by Neil Cairns)
Data Sheet 8 – Trafficator Semaphore Arms Short or Long Reach Spark Plugs
Semaphore Trafficators
Back Axle
The Big Nut on a YB – Rear Axle  YA & T Differentials
Bodywork and Trim
The Y Type Achilles Heel – Windscreen pillars Fitting a New Windscreen Seal
Fitting New Door Draught Excluder Refurbishing Door Cards
Y Type Bonnet Catches Sunroof Seal
Fitting the MG Y Type Bonnet  Y Type Window Winding cable – repair
Fitting Coverdale Carpets
Servicing
Greasing a Y Type Y Type Servicing Sheets
DIY Servicing, Greasing the Car Classic car oil
Data Sheet 6 – The Y Type Service Data
Miscellaneous
Threads British Cars 1950 – Specifications
Alternative Parts Listing Fitting an XPAW Engine
A Simple Carburettor Bowl Repair Annoying MG Noises
A List of Negatives in the Cowley Archives – Update Miss-Fuelling (Putting in the wrong fuel).
MOT Exempt, All you need to know Data Sheet 2- Fitting a Heat Shield
Enthanol Proof Fuel Pipe specification SAE J30 R9 Laycock Overdrive
The XPAG Files
Manchester XPAG Project – Update  A Cheap XPAG Leak Fix
Cooling
XPAG Engine Temperatures and Cooling XPAG Overheating
XPAG Overheating or Vaporisation? XPAG Water Flow-Cooling
Data
The ‘X’ Factor-Origins of the XPAG XPAG (And other Nuffield) Gearbox & Axle Ratios
XPAG Casting Numbers XPAG Technical Data and Modifications List with Torque Wrench settings and Casting numbers
XPAG Warming Up Times
Engine
The XPAG Oil System Drip, Drip, Drip (The “70 year” old XPAG)
XPAG Cam-followers XPAG Questions – Piston Speed
XPAG Camshaft Checking XPAG Valve Stem Seals
XPAG Clatter XPAG – Round or Oval Holes in Head Gasket?
Fuel Additives and More Problems – Ethanol MG Engines History by Neil Cairns
XPAG Steady Bar
Rebuilds and Restorations
Engine Rebuilds  Restorations
Gearbox Rebuild
Neil’s Jottings: Facebook Updates