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1960 Corvette: Service Update: Tachometer Erratic Operation

Subject:  Corvette Tachometer Erratic Operation
Model and Year: 1960 Corvette
Source: Chevrolet Service and Mechanical Department - Product Engineering Technical Information Product Data Book
Page: 2
Section:  XII, Group 2
Date: 3/23/60

In instances when Corvette tachometers operate erratic, the cable limit stack may be off, necessitating re-working as listed.

  1. Loosen and remove tach cable from the drive unit at rear of generator.
  2. Remove the two tach drive unit attaching screws from the commutator end frame.
  3. Rotate the drive unit 180o, and reinstall the attaching screws.
  4. Reinstall the tach cable to the drive unit.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.

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