K 3500 Truck 4WD V8-454 7.4L VIN N TBI (1995)
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.
