G 3500 1 Ton Van V8-454 7.4L VIN N TBI (1995)
Engine Speed Governor System: Service and Repair
Throttle Body Assembly (Model 220)
REMOVAL
1. Remove the Idle Speed Control (ISC) Actuator and vacuum hose.
2. Remove ISC Actuator.
INSTALLATION
1. Install the ISC actuator and screws.
2. Connect vacuum hose.
3. Set activated idle speed. Refer to Adjustments.
