Sierra Denali AWD V8-6.2L (2008)
Idle Speed/Throttle Actuator - Electronic: Service Precautions
Handling Idle Air Control Valve Notice
Notice: If the IAC valve has been in service: DO NOT push or pull on the IAC valve pintle. The force required to move the pintle may damage the
threads on the worm drive. Also, DO NOT soak the IAC valve in any liquid cleaner or solvent, as damage may result.