Engine Mechanical System
Cylinder Head Cover Repair Procedures
In this manual: Engine Mechanical System
10steps
~60min
3/5difficulty
Done 0 of 10
Removal
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- Remove the engine cover. (Refer to Engine and Transaxle Assembly - "Engine Cover")
- Disconnect the negative battery cable.
- Disconnect the wiring connectors and wiring harness clips, and remove the connector brackets around the cylinder head cover.

- Remove the air duct and air cleaner assembly. (Refer to Intake and Exhaust System - "Air Cleaner")
- Remove the ignition coils. (Refer to Engine Electrical System - "Ignition Coil")
- Remove the engine oil level sensor. (Refer to Lubrication System - "Oil Level Gauge and Tube")
- Disconnect the positive crankcase ventilation (PCV) hose (A).

- Remove the cylinder head cover (A).


- Loosen the bolts in the sequence shown.

Installation
- Install the cylinder head cover.
- Remove the hardened sealant on the cylinder head cover and the gap between the timing chain cover and the camshaft holder before installing the cylinder head cover.
- Apply engine oil to the seal lip on the cover and to the outer surface of the spark plug tubes.
- After applying sealant to the gap between the timing chain cover and the camshaft holder, assemble within 5 minutes. Bead width: 2.0 ~ 3.0 mm (0.08 ~ 0.12 in). Sealant: Threebond 1217H or equivalent.

- Install the cylinder head cover, tightening the bolts in several passes in the sequence shown. Tightening torque: Step 1: 3.9 ~ 5.9 N·m Step 2: 7.8 ~ 9.8 N·m


- Do not reuse the cylinder head cover gasket.
- Before installing the cylinder head cover, make sure the cover gasket is seated in the gasket groove of the cover.
- Do not start the engine or perform a leak test within 30 minutes after installing the cylinder head cover.
- Install the remaining parts in the reverse order of removal.
Test yourself
A quick Hyundai Elantra AD quiz: every answer comes with an explanation and a link to the manual page.
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