Hyundai Palisade (LX2): Cylinder Head Assembly / Cylinder Head Cover

Hyundai Palisade (LX2) 2020-2025 Service Manual / Engine Mechanical System / Cylinder Head Assembly / Cylinder Head Cover

Components and components location

Components

Hyundai Palisade. Components and components location

1. LH cylinder head cover
2. LH cylinder head cover gasket

3. LH exhaust CVVT OCV cap
4. Camshaft position sensor (CMPS)

Hyundai Palisade. Components and components location

1. RH cylinder head cover
2. RH cylinder head cover gasket

3. RH exhaust CVVT OCV cap
4. Camshaft position sensor (CMPS)

Repair procedures

Removal

[LH Cylinder Head Cover]

1.	Remove the engine cover. (Refer to Engine And Transaxle Assembly - "Engine Cover")

2.	Remove the air cleaner assembly. (Refer to Intake And Exhaust System - "Air Cleaner")

3.	Disconnect the control wiring harness connectors and fasteners and remove the wiring harness protectors from the LH cylinder head cover.

4.	Remove the LH ignition coils. (Refer to Engine Electrical System - "Ignition Coil")

5.	Remove the high pressure fuel pump. (Refer to Engine Control / Fuel System - "High Pressure Fuel Pump")

6.	Remove the LH exhaust CVVT oil control valve cap (A).

7.	Remove the oil level gauge rod mounting bolt. (Refer to Lubrication System - "Oil Level Gauge & Pipe")

Remove the LH cylinder head cover (A) and gasket.

Hyundai Palisade. Repair procedures

•	Cover the cylinder head with a clean shop rag or vinyl cover to prevent foreign materials from entering.

[RH Cylinder Head Cover]

9.	Remove the engine cover. (Refer to Engine And Transmission Assembly - "Engine Cover")

10.	Remove the air cleaner assembly. (Refer to Intake And Exhaust System - "Air Cleaner")

11.	Disconnect the control wiring harness connectors and fasteners and remove the wiring harness protectors from the RH cylinder head cover.

12.	Remove the surge tank. (Refer to Intake And Exhaust System - "Surge Tank")

13.	Remove the RH ignition coils. (Refer to Engine Electrical System - "Ignition Coil")

14.	Remove the RH exhaust CVVT oil control valve cap (A).

15.

Remove the RH cylinder head cover (A) and gasket.

Hyundai Palisade. Repair procedures

•	Cover the cylinder head with a clean shop rag or vinyl cover to prevent foreign materials from entering.

Installation

[LH Cylinder Head Cover]

1.	Install the new cylinder head cover gasket (A) and high pressure fuel pump gasket (B).

Install the LH cylinder head cover.

•	Install the cylinder head cover with the exhaust OCV cap removed.

•	To prevent engine oil leakage, install a new exhaust OCV cap after installing the cylinder head cover.

(1)	The hardening sealant on the upper area between timing chain cover and cylinder head should be removed before assembling cylinder head cover.

(2)

Assemble within 5 minutes of applying the THREE BOND 1217H sealant.

Bead width : 4.5 mm (0.2 in.)

Hyundai Palisade. Repair procedures

(3)	The firing and / or blow out test should not be performed within 30 minutes of assembling the cylinder head cover.

(4)

Install the LH cylinder head cover bolts in the following method.

Tightening torque

1st step : 4.9 - 5.9 N.m (0.5 - 0.6 kgf.m, 3.6 - 4.3 lb.ft)

2nd step : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

Hyundai Palisade. Repair procedures

•	Do not reuse cylinder head cover gasket.

Install the LH exhaust CVVT oil control valve cap (A).

Tightening torque :

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

Hyundai Palisade. Repair procedures

•	Install the cylinder head cover when the exhaust OCV cap is removed.

•	To prevent engine oil leakage, install a new exhaust OCV cap after installing the cylinder head cover.

•	If the seal is damaged in the removal and installation procedures, replace the exhaust OCV cap with a new one.

4.	Install in the reverse order of removal.

[RH Cylinder Head Cover]

1.	Install the new cylinder head cover gasket (A).

Install the RH cylinder head cover.

•	Install the cylinder head cover with the exhaust OCV cap removed.

•	To prevent engine oil leakage, install a new exhaust OCV cap after installing the cylinder head cover.

(1)	The hardening sealant on the upper area between timing chain cover and cylinder head should be removed before assembling cylinder head cover.

(2)

Assemble within 5 minutes of applying the THREE BOND 1217H sealant.

Bead width : 4.5 mm (0.2 in.)

Hyundai Palisade. Repair procedures

(3)	The firing and/or blow out test should not be performed within 30 minutes of assembling the cylinder head cover.

(4)

Install the RH cylinder head cover bolts in the following method.

Tightening torque :

1st step: 4.9 - 5.9 N.m (0.5 - 0.6 kgf.m, 3.6 - 4.3 lb.ft)

2nd step: 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

Hyundai Palisade. Repair procedures

•	Do not reuse cylinder head cover gasket.

Install the RH exhaust CVVT oil control valve cap (A).

Tightening torque :

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

Hyundai Palisade. Repair procedures

•	Install the cylinder head cover with the exhaust OCV cap removed.

•	To prevent engine oil leakage, install a new exhaust OCV cap after installing the cylinder head cover.

•	If the seal is damaged in the removal and installation procedures, replace the exhaust OCV cap with a new one.

4.	Install in the reverse order of removal.

❮Valve clearance adjustment

Valve Clearance Inspection and Adjustment (MLA) • Inspect and adjust the valve clearance with engine cold (engine coolant temperature : 20°C (68°F)) and cylinder head installed to the cylinder block.

CVVT & Camshaft❯

Components and components location Components 1. RH exhaust CVVT 2. RH intake CVVT 3. LH intake CVVT 4. LH exhaust CVVT Repair procedures Removal • Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.

Other information:

Hyundai Palisade (LX2) 2020-2025 Service Manual: General safety information and caution

Instructions (R-134a) When Handling Refrigerant 1. R-134a liquid refrigerant is highly volatile. A drop on the skin of your hand could result in localized frostbite. When handling the refrigerant, be sure to wear gloves.

Hyundai Palisade (LX2) 2020-2025 Service Manual: Schematic diagrams

System Block Diagram Component Parts And Function Outline Component part Function Vehicle-speed sensor, ESP/ABS Control Module Converts vehicle speed to pulse. ECM Receives signals from sensor and control switches.

Hyundai Palisade (LX2): Cylinder Head Assembly / Cylinder Head Cover

Components and components location

Repair procedures

Other information:

Hyundai Palisade (LX2) 2020-2025 Service Manual: General safety information and caution

Hyundai Palisade (LX2) 2020-2025 Service Manual: Schematic diagrams

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