Kia Optima DL3 Quiz
Engine Mechanical System

Intake Manifold

In this manual: Engine Mechanical System
General Information — 8Advanced Driver Assistance System (ADAS) — 21Maintenance — 27Engine Mechanical System — 45Engine Electrical System — 11Emission Control System — 11Engine Control System/Fuel System — 25Automatic Transmission — 20Drive Shaft and Axle — 7Suspension System — 22Steering — 7Restraints — 11Brake System — 22Body (Interior and Exterior) — 116Body Electrical System — 90Heating, Ventilation, and Air Conditioning — 32
11steps
~66min
3/5difficulty
Done 0 of 11

Components and Component Location

Components

1. Intake Manifold Assembly
2. Intake Manifold Gasket		 3. Electronic Throttle Body
4. Intake Manifold Support

Repair Procedures

Removal and Installation

  1. Remove the engine cover.

    (See Engine and Transaxle Assembly - Engine Cover)

  2. Disconnect the negative battery cable.

  3. Remove the air cleaner assembly.

    (See Intake and Exhaust System - Air Cleaner)

  4. Remove the engine room cover.

    (See Engine and Transaxle Assembly - Under Hood)

  5. Disconnect the wiring connectors and clips, and remove the wiring protector around the intake manifold.

  6. Disconnect the positive crankcase ventilation (PCV) hose (A).

  7. Disconnect the vacuum hose (A) and the purge control solenoid valve (PCSV) hose (B).

  8. Loosen the electronic throttle control (ETC) module mounting bolts.

    (See Engine Controls/Fuel System - "ETC (Electronic Throttle Control) System")

  9. Remove the intake manifold support (A).

    Tightening torque: 18.6–23.5 N·m (1.9–2.4 kgf·m, 13.7–17.4 ft-lbf)

  10. Remove the intake manifold (A) with the gasket.

    Tightening torque: 18.6–23.5 N·m (1.9–2.4 kgf·m, 13.7–17.4 ft-lbf)

  11. Install in the reverse order of removal.

Test yourself

A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.