Kia Cadenza YG: Intake And Exhaust System / Intake Manifold Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Engine Mechanical System / Intake And Exhaust System / Intake Manifold Repair procedures

Removal and Installation
1.
Remove the surge tank.
(Refer to Intake And Exhaust System - "Surge Tank")
2.
Remove the low pressure fule line.
(Refer to Fuel System - "Fuel Line")
3.
Remove the intake manifold (A).

   
•
Cover the cylinder head intake port with a clean woven stuff or vinyl cover to prevent foreign materials from entering.
•
Make sure the engine and radiator are cool to the touch.
•
Remove radiator cap.
•
Loosen the drain plug and drain the coolant.
•
Tighten the radiator drain plug securely.
   
Drain the engine coolant before removing the intake maniford.
Otherwise, engine coolant may enter into the intake port from the vent holes of the clylinder head and this can cause problems in the engine combustion chambers.
4.
Install in the reverse order of removal.
   
Tighten the intake manifold bolts and nuts, in several passes as below.
Tightening torque
Step 1: 3.9 ~ 5.9N.m (0.4 ~ 0.6kgf.m, 2.9 ~ 4.3lb-ft)
Step 2: 26.5 ~ 31.4N.m (2.7~3.2kgf.m, 19.5~23.1lb-ft)
Step 3: Repeat 2nd step twice or more.

   
Fill the engine coolant after installing intake maniford and check coolant level.

    Components 1. Intake manifold

    Components 1. LH Exhaust manifold gasket2. LH Exhaust manifold3. LH Heat protector4. LH Exhaust manifold stay5. RH Exhaust manifold gasket6. RH Exhaust manifold7.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Height Sensor Repair procedures

    Removal Height Sensor 1. Disconnect the negative (-) battery terminal. 2. Remove the height sensor linkage (A) installed on the front axle and rear axle. [Front] [Rear] Installation Height Sensor 1. Install the height sensor assembly after connecting the connector.

    Kia Cadenza YG 2016-2021 Service Manual: Intake Actuator Repair procedures

    Inspection 1. Ignition "OFF". 2. Disconnect the intake actuator connector. 3. Verify that the actuator operates to the recirculation position when connecting 12V to the terminal 3 and grounding terminal 7. 4. Verify that the intake actuator operates to the fresh position when connecting in the reverse.

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