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1959 - 1961 Corvette: Service Bulletin: Front and Rear Coil Spring Heights

Subject: Front and Rear Coil Spring Heights
Model and Year: 1959-1961 Passenger Cars
Source: Chevrolet Technical Service Bulletin
Bulletin Number: DR #437, Section III
Date: June 30, 1961

In the event a side-to-side or front-to-rear out-of-trim condition is noted on 1959-61, Passenger Cars, Spring Spacers are now available from Service Parts Stock to correct this problem.  These spacers eliminate the necessity of replacing springs to correct an out-of-trim condition.

PARTS DATA
Part No.Description
3789664 Spacer-Special (3/8" Thick)
3789665 Spacer-Special (9/16" Thick)

Spacers may be used where trim heights vary more than 1/2" from side to side measured from the front of each body rocker panel to a level floor.  When checking front-to-rear trim heights, the measurements are made from the front and rear ends of each rocker panel to the floor.  The dimension at the rear should not exceed that at the front by more than 1-1/2".

These parts are of a polyethylene and rubber compound and may be inserted at either top or bottom of the spring.

NOTE:  These spacers may be of particular help on units with Accessory Installed Air Conditioning.

JCP:dz

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.

© Copyright General Motors Corporation. All Rights Reserved

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