Kia Optima: Engine Mechanical System / Cylinder Head Assembly

Kia Optima DL3 2019-2025 Service and Repair Manual / Engine Mechanical System / Cylinder Head Assembly

Components and components location

Components

1. Camshaft bearing cap
2. Camshaft front bearing cap
3. Exhaust camshaft
4. Intake camshaft
5. Exhaust CVVT assembly
6. Intake CVVT assembly

7. Cam carrier
8. Cylinder head
9. Cylinder head gasket
10. Retainer lock
11. Retainer
12. Valve spring

13. Valve stem seal
14. Valve
15. Swing arm
16. Hydraulic lash adjuster (HLA)

Cylinder Block

Repair procedures Disassembly • Use fender covers to avoid damaging painted surfaces. ...

Cylinder Head Cover

Components and components location Components 1. Cylinder head cover 2. Cylinder head cover gasket Repair procedures Removal ...

Other information:

Kia Optima DL3 2019-2025 Service and Repair Manual: Air Cleaner Filter

Repair procedures Inspection 1. Remove the air cleaner element. 2. Check if the air filter is excessively dirty. If so, replace the air cleaner element. 3. If the air cleaner element needs to be cleaned, blow compre ...

Kia Optima DL3 2019-2025 Owner's Manual: Maintenance Under Severe Usage Conditions - Non Turbo Models

The following items must be serviced more frequently on cars normally used under severe driving conditions. Refer to the chart below for the appropriate maintenance intervals. R : Replace I : Inspect and, after inspection, clean, adjust, repair or replace if necessary Severe driving condi ...