gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Intake Air Duct > < Idle/Throttle Speed Control Unit|Locations|Page 5062
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Idle/Throttle Speed Control Unit: Service and Repair

Throttle Body Assembly (Model 220)

REMOVAL:

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Remove the Idle Speed Control (ISC) Actuator and vacuum hose.

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Remove ISC Actuator.

INSTALLATION:

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Install the ISC actuator and screws.

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Connect vacuum hose.

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Set activated idle speed. Refer to Adjustment Procedures.

Intake Air Duct > < Idle/Throttle Speed Control Unit|Locations|Page 5062