Hyundai Accent (HC): Engine Mechanical System / Cylinder Head Assembly

Contents:

Components and Components Location

- Components

1. Camshaft front bearing cap
2. Camshaft bearing cap
3. Exhaust camshaft
4. Exhaust CVVT assembly
5. Intake camshaft
6. Intake CVVT assembly
7. Cam carrier
8. Cylinder head
9. Swing arm
10. Hydraulic lash adjuster (HLA)
11. Cylinder head gasket
12. Retainer lock
13. Retainer
14. Valve spring
15. Valve stem seal
16. Valve spring seat
17. Valve


Cylinder Head Cover

- Components

1. Cylinder head cover
2. Cylider head cover gasket (Inner)
3. Cylider head cover gasket (Outer)


- Removal

1.Disconnect the battery negative terminal.

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

3.Disconnect the wiring connectors and harness clamps and remove the connector brackets around the cylinder head cover.

4.Disconnect the brake vacuum hose (A).

5.Disconnect the breather hose A (A) and than remove the vacuum pipe mounting bolts (B).

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

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

7.Remove the cylinder head cover (A).

8.Remove the cylinder head cover inner gaskets (A) and outer gasket (B).

- Installation

1.Install the cylinder head cover.

(1)Install the new inner gaskets (A) and outer gasket (B) to the cylinder head cover.

   

• Always use the new inner and outer cylinder head cover gaskets.

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

(3)Apply liquid gasket sealant to the marked area of the cam carrier and assemble within 5 minutes of application.

Width : 2 - 3 mm (0.0787 - 0.1181 in.)Specification : LOCTITE 5900H or above.

(4)Install the cylinder head cover by tightening the bolts, in several passes, in the sequence as shown.

Tightening torqueStep 1 : 3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb-ft)Step 2 : 7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 lb-ft)

   

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

2.Install the other parts in the reverse order of removal.

CVVT & Camshaft ➤

Cylinder Head ➤

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: Fluid

- Components Location 1. Intelligent Variable Transmission (IVT)2. Drain plug gasket3. Drain plug4. Intelligent Variable Transmission Fluid (IVTF) level check plug5. IVTF injection plug - Inspection     • Be sure to use the genuine IVTF (SP-IVT1). • When replacing with non-genuine IVTF, bad shift and vibration may occur, causing damage to the IVT.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Ambient Temperature Sensor

- Description The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.The sensor output will be used for discharge temperature control, temperature regulation door control, blower motor level control, mix mode control and in-car humidity control.

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