Hyundai Accent: Engine Mechanical System / Cylinder Head Assembly
Components and Components Location
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
1. Cylinder head cover
2. Cylider head cover gasket (Inner)
3. Cylider head cover gasket (Outer)
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).
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: Troubleshooting
Standard Flow of Diagnostic Troubleshooting Notes With Regard To Diagnosis The phenomena listed in the following table are not abnormal.ConditionExplanation System check soundWhen starting the engine, a thudding sound can sometimes be heard coming from inside the engine compartment. This is because the system operation check is being performed. - Replacement and Air Bleeding • Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the radiator. • When pouring engine coolant, be sure to shut the relay box lid and not to let coolant spill on the electrical parts or the paint.
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