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Service Tools

for use in the MG Series Y

 

Various special tools were specified for servicing the MG Y Type. Some of these were common to the MG Y, the Y/T and the YB, while others were specifically only required on one model. Unless otherwise specified, these were common to all. Most, but not all of these are documented in Section S of the workshop manuals.

Part number are confusing. The T. part numbers are the Nuffield Group part numbers prior to the 1953 merger into the BMC group. In some cases, with the introduction of the MG YB in 1952 these were revised to full numeric numbers only (no alpha characters. The 18G. part numbers here are the BMC part number codes post merger. Actual engineering drawings for certain of these tools can be found in both the MG Y and Y/T Workshop Manual and the MG YB Workshop Manual enabling them to be remanufactured by a competent tool maker. Both of these workshop manuals are available in electronic form on CD along with many other useful manuals and service books (as well as Let there be Ys by David Lawrence and MG Y Saloons and Tourers by John Lawson) from YZ Publications.

Valve Seat Narrowing Cutter - Top

included in 301075

18G.25B

Valve Seat Narrowing Cutter - Bottom

included in 301075

18G.25C

Valve Seat Cutter Handle

included in 301075

18G.27A

Bevel Pinion Flange Wrench

T.115

18G.34A

Piston Ring Compressor

18G.55

Clutch Assembly Gauging Fixture

18G.99A

Bevel Pinion Bearing Outer Race Remover - Basic Tool

18G.264D

Bevel Pinion Bearing Outer Race Remover Adaptor

18G.264E

Bevel Pinion Bearing Outer Race Remover Adaptor

18G.264F

Partitioned Fibre Box

18G.264K

Valve Spring Compressor

18G.271

Valve Spring Compressor Foot

18G.271A

Clutch Plate Centraliser

T.124

18G.279

Bevel Pinion Checking Fixture

68829

18G.281

Bevel Pinion Bearing Pre-Load Gauge

68839

18G.283

Bevel Pinion Bearing Pre-Load Gauge Adapter

18G.283A

Impulse Extractor U.N.F.

68823

18G.284

YB only

For axles are fitted with ANF threads - use Tool 301203

Bevel Pinion, Inner Race Remover and Replacer

301224

18G.285

YB only

Rear Hub Nut Spanner

T.106

18G.301A

YA Y/T only

Differential Gear Crank Handle

T.121

18G.302

YA Y/T only

Front and Rear Hub Plate Remover - Basic Tool

68822

18G.304

YB only

Bolt Adaptor - 1/2 in U.N.F.

301209

18G.304A

From YB 0286 onwards

Bolt Adaptor - 1/2 in B.S.F.

18G.304D

YB 0251 - YB 0285only

Body Jack

18G.308

Body Jack Metal Case

18G.308A

Steering Wheel Remover

68827

18G.310

Steering Tie-Rod Spanner

T.122

18G.312

Steering Tie-Rod "C" Spanner

T.114

18G.313

300813 for three slot type

Steering Rack Bearing Pinion Reamer

T.112

18G.314

Steering Ball Housing Pin Spanner

T.113

18G.315

Synchromesh Assembly Ring

T.109

18G.325

Gudgeon Pin Clamp Screw Spanner

68832

18G.327

Valve Suction Grinder

66893

18G.328

Oil Pump Bush Reamer

68828

18G.329

Cylinder Head Nut Spanner

68830

18G.330

Front Camshaft Bearing Reamer

T.111

18G.351

Crank Shaft and Cam Shaft Gear Remover

T.123

18G.352

Lockheed Bleeder Screw Wrench

46746

18G.353

Front Hub Locking Ring Base and Spanner

T.107

18G.361

Front Cross-Member Alignment Checking Gauge

T.120

18G.366

YA Y/T only

Front Cross-Member Alignment Checking Gauge

T.125

18G.367

YB only

Torque Wrench

T.110

18G.372

Valve Seat Finishing Cutter

included in 301075

18G.376

Valve Seat Cutter Pilot

included in 301075

18G.376A