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1984 - 1989 Corvette: Service Bulletin: Revised Procedure - Install or Connect Intake Manifold

Source: Chevrolet Dealer Service Update Bulletin
Number: 89-138-6A
Section: 6A
Date: April, 1989
Subject: Revised Procedure - Install or Connect Intake Manifold
Model Year: 1984-1989 Y-Car

TO: ALL CHEVROLET DEALERS

This revises information under "Install or Connect Intake Manifold" found on page 6A1-5 of the 1984-1989 Corvette Service Manuals.

When installing intake manifold gaskets on the cylinder heads, the coolant passage restrictors (blocked openings) should be positioned at the rear of the engine with the tabs on the intake manifold gaskets being positioned at the front of the engine.

COPYRIGHT 1989
CHEVROLET MOTOR DIVISION
GENERAL MOTORS CORPORATION
ALL RIGHTS RESERVED
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