Engine Mechanical System

Cylinder Head Cover Repair Procedures

10steps
~60min
3/5difficulty
010203040505.94N·mlb·ft
Tightening torque found on this page
Done 0 of 10

Removal

  • Use fender covers to avoid damaging painted surfaces.
  • To avoid damage, carefully disconnect the wiring connectors by holding the connector body.
  • Label all wires and hoses to avoid incorrect connection.
  1. Remove the engine cover. (Refer to Engine and Transaxle Assembly - "Engine Cover")
  2. Disconnect the negative battery cable.
  3. Disconnect the wiring connectors and wiring harness clips, and remove the connector brackets around the cylinder head cover.
  4. Remove the air duct and air cleaner assembly. (Refer to Intake and Exhaust System - "Air Cleaner")
  5. Remove the ignition coils. (Refer to Engine Electrical System - "Ignition Coil")
  6. Remove the engine oil level sensor. (Refer to Lubrication System - "Oil Level Gauge and Tube")
  7. Disconnect the positive crankcase ventilation (PCV) hose (A).
  8. Remove the cylinder head cover (A).
    • Loosen the bolts in the sequence shown.

Installation

  1. Install the cylinder head cover.
    1. 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.
    2. Apply engine oil to the seal lip on the cover and to the outer surface of the spark plug tubes.
    3. 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.
    4. 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.
  2. 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.