Miata Technical Service Bulletin

Category Applicable Model(s) Subject
Bulletin No. 005/93
Issued 6/16/93
J 1990-93 MX-5 1st and 2nd Gear Grind

Applicable Models/Vins

MX-5 Models

1990 - Vehicles with a VIN of JM1NA351*L0100001 through JM1NA351*L099999

1991 - Vehicles with a VIN of JM1NA351*M0200001 through JM1NA351*M099999

1992 - Vehicles with a VIN of JM1NA351*N0300001 through JM1NA351*N099999

1993 - Vehicles with a VIN of JM1NA351*P0400001 through JM1NA351*P0413073


A grinding noise may be heard and/or felt from inside the shift change lever when rapidly shifting from first to second gear. The noise may be caused by the shift change lever.

The lever has been modified to correct this condition.

Replacement Procedure

If grinding is felt and heard through the lever, replace it with a modified lever.

Parts Information

Part Number Description Quantity
New Old
M524 17 510C M524 17 510B Change Lever 1

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