Engine Mechanical System
Cylinder Head Cover Repair Procedures
In this manual: Engine Mechanical System
19steps
~114min
4/5difficulty
Done 0 of 19
DEPOSIT
- Disconnect the negative battery cable.
- Remove the air duct and air cleaner assembly. (Refer to Intake and Exhaust System - "Air Cleaner")
- Drain the engine coolant. (Refer to Cooling System - "Coolant")
- Disconnect the wiring connectors and harness clamps, and remove the wiring protector around the intake manifold and cylinder head cover.

- Disconnect the vacuum hoses (A) from the brake booster.

- Disconnect the positive crankcase ventilation (PCV) hose (A), then remove the brake vacuum tube (B).

- Remove the heated oxygen sensor (HO2S). (Refer to Fuel System/Engine Control - "Heated Oxygen Sensor (HO2S)")
- Disconnect the coolant hose (A).

- Remove the heat shield from the turbocharger intake manifold module (A).
Tightening torque: 9.8–11.8 N·m
- Remove the turbocharger water hose (B). Tightening Torque Water pipe mounting bolt: 9.8–11.8 N·m Eye bolt: 26.5 ~ 32 N·m

- Remove the heat shield (A) and the engine mount (B).
Tightening torque: 18.6~24 N·m

- Remove the high-pressure fuel pump. (Refer to Engine Control and Fuel Supply System - "High Pressure Fuel Pump")
- Remove the ignition coil. (Refer to Engine Electrical System - "Ignition Coil")
- Remove the oil pan (A) from the cylinder head together with the gaskets.

REMEDY
- Remove the hardened sealant located at the upper joint between the timing chain cover and the cylinder head before installing the cylinder head cover.
- Install within 5 minutes after applying the sealant.
Bead width: 2.0 ~ 3.0 mm (0.08 ~ 0.12 in.)

- Install the cylinder head cover (A) with a new cylinder head cover support.

- Install the cylinder head cover bolts in two steps. Tightening Torque Step 1: 3.9~5.9 N·m Step 2: 7.8–9.8 N·m

- Install the remaining parts in the reverse order of removal.
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