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2003
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CTS Standard
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Remove, Overhaul & Install
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Engine Controls - Removal & Installation
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Air Induction Systems
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Intake Manifold Runner Control Valve
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Removal
Intake Manifold Runner Control Valve: Removal
Remove intake plenum. See
INTAKE PLENUM
. Disconnect vacuum hose from IMRC valve.
Remove IMRC valve bolts. See
Figure
. Remove IMRC valve and "O" ring seal from intake plenum. Discard the "O" ring seal.