Hyundai Elantra MD/UD: Installation - CVVT Oil Control Valve (OCV). Repair 
procedures - Engine Control System - Fuel System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra MD/UD: Installation

Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
Apply engine oil to the valve O-ring.
1.
Installation is reverse of removal.

CVVT oil control valve installation bolt:
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)


Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the CVVT oil control valve connector (A). ...

Variable Intake Solenoid (VIS) Valve. Description and Operation
Description Variable Intake manifold Solenoid (VIS) valve is installed on the intake manifold. The VIS valve controls the vacuum modulator which activates a valve in the intake manifold. The ...