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1964 Corvette: Service Bulletin: Excessive Hood Release Effort

Subject: Excessive Hood Release Effort
Model and Year: 1964 Corvette
Source: Chevrolet Technical Service Department - Field Service Engineering - 1964 Chevrolet Product Data Book
Number: Page 1, Section XI, Group 2
Date: Unknown

Complaints of excessive hood release effort on 1964 Corvette Models may be due to the hood catch bolts not being centered in the hood catch assemblies.  The resulting side loading of the catches may be relieved by providing horizontal adjustment of the catch assemblies as outlined below.

  1. Remove both attach assemblies from the firewall (See Figure 4, Page 1-5, 1963 Corvette Shop Manual).
  2. Elongate the three attaching screw holes in each catch assembly with a rat tail file to obtain a total horizontal movement of 3/16" or 3/32" each way.
  3. Reinstall the catch assemblies with new bolts, spring lock washers and flat washers as shown in the parts list.
  4. Adjust the catch assemblies for easy entry of the catch bolts and adjust the control cable as shown on page 1-5 of the 1963 Corvette Shop Manual.

PARTS DATA

PART NO.QUANTITYDESCRIPTION
180078 6 5/16 - 18 x 7/8 hex head machine screw
187119 6 5/16" Spring Lock Washer
813046 6 5/8" O.D. Plain Washer

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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