Valve cover — removal and installation

Special tool

Pliers for spark plug connectors 303-622 (21226)

Name	Specification
Silicone Grease	ESE-M1C171-AA
clamps

Withdrawal

1. Standard preparatory activities:

• Note the radio key code.
• Check the preset radio stations.

2.

CAUTION: Disconnect the ground wire from the battery.

Remove the cylinder head cover plate (in the presence of).

• 1. Release the fuel lines.
• 2.Disconnect the crankcase ventilation hose.
• 3.Remove the EVAP carbon filter vacuum line bracket.
• 4. Remove the bolts.

3.

CAUTION: When disconnecting the spark plug connector, do not pull on the wire. If necessary, remove the ignition coil to avoid bending the wire. Before disconnecting the spark plug connector, turn it slightly to loosen the seal.

CAUTION: Disconnect the spark plug connector using straight line force only.

CAUTION: Do not damage the cylinder head cover gasket as it cannot be replaced individually.

Remove the cylinder head cover by moving it straight up.

• 1. Disconnect the plug connector of the cylinder head temperature sensor (SNT).
• 2. Disconnect the high voltage wires from the spark plugs.
• Release the clip on the CHT sensor's plug connector.
• For angled spark plug connectors, use special tool 303-622.
• 3. Turn out three bolts of the top cover of a timing belt.
• 4. Loosen and remove the nuts.

Installation

1.

CAUTION: To avoid damage to the spark plug connector seal, use a blunt object to apply silicone grease (e.g. plastic clamp).

CAUTION: Attach the spark plug connector using a straight line force.

NOTE: Coat the inside of the spark plug connector with silicone grease to a depth of (5-10) mm.

Install the cylinder head cover.

• 1. Screw on the nuts.
• 2. Connect the plug connector of the SNT sensor.
• 3. Connect the spark plug connector.
• 4.Install the three bolts of the upper timing belt cover.

2. Install the cylinder head cover plate (if it was taken).

• 1. Screw in the bolts.
• 2. Connect the PCV hose.
• 3.Fix the EVAP carbon filter vacuum line bracket.
• 4.Fix the fuel lines.

3. Standard final operations:

• Connect ground wire to battery.
• If necessary, secure the wires using cable ties.
• Enter the radio key code.
• Program preset radio stations.
• Set your clock.
• Carry out a road test to allow the PCM to collect data.