Intake Manifold - Removal

INTAKE MANIFOLD - COMPONENTS
REMOVAL

1. Remove the engine cover.
2. Disconnect the intake air hose from the throttle body.
3. Disconnect the accelerator pedal cable.
4. Disconnect the positive crankcase ventilation (PCV) hose and the brake booster vacuum hose.

5. Disconnect the vacuum hoses, the idle speed control servo wiring harness connector, and the throttle position sensor wiring harness connector.
6. Before disconnecting the high-pressure fuel hose from the fuel rail, relieve the residual pressure from the high-pressure fuel lines to prevent fuel spray.
7. Remove the intake manifold bracket.
8. Remove the intake manifold assembly and gasket.
9. Disconnect the fuel injector wiring harness connector.

10. Remove the fuel rail together with the injectors.
Be careful not to drop the injectors when removing the fuel rail.
Test yourself
A quick Hyundai Elantra CN7 quiz: every answer comes with an explanation and a link to the manual page.