Repair procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Disconnect the variable intake solenoid valve connector (A) and Vacuum hose (B).

Fig 1: Disconnecting Variable Intake Solenoid Valve Connector
Courtesy of KIA MOTORS AMERICA, INC.
Remove the VIS valve mounting bolts (A).
Variable intake solenoid valve bracket mounting bolt:

9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

Fig 2: Removing VIS Valve Mounting Bolts
Courtesy of KIA MOTORS AMERICA, INC.
Remove the VIS valve (A) after loosening the rod (B).

Fig 3: Removing VIS Valve
Courtesy of KIA MOTORS AMERICA, INC.