Installing
- Check the rubber and the spring inside. Replace if necessary.
- Check the spark gap: 0.7-0.8 mm.
- Install the spark plugs. Screw the spark plugs in until the gasket is pressed against the cylinder head. Tightening torque 25 Nm . Use special tool «9995702»(ref-403953-S02394441542011061500000) .
- Position the ignition coils. Press the ignition coils into place.
- Tighten the screw. Tightening torque 10 Nm .
- Connect the high tension cables.
- Reconnect the connectors. NOTE: The gray connector is for the left coil (cylinders 2 and 3), the blue connector is for the right coil (cylinders 1 and 4).
- Check the function.
- Install both engine covers.
Scheme 23
Remove
- the cover over the throttle cable.
- the idle air control (IAC) valve connector.
- the two screws.
- the idle air control (IAC) valve and the gasket from the intake manifold.
Always use a new gasket.
- Locate the new gasket. The tab must be pointing downwards to the right.
- Tighten the idle air control (IAC) valve. Tightening torque 10 Nm .
- Reconnect the connector.
- Check the function.
- Reinstall the cover over the throttle cable.
Start the engine. Read off any diagnostic trouble codes (DTCs).
Scheme 24
- Remove the clamp and the air intake hose. Use a twisting movement.
- Disconnect the connector.
- Remove the two Tx 25 screws.
- Remove the mass air flow (MAF) sensor.
- Remove the O-ring.
- Install a new O-ring.
- Position the mass air flow (MAF) sensor with the connector upward.
- Tighten the screws.
- Connect the connector.
- Clean the air intake hose. Press the air intake hose firmly into place on the mass air flow (MAF) sensor.
- Tighten the clamp.
- Check the function.
Scheme 25
Removing/disconnecting
- The connector.
- The turbocharger (TC) control valve from the air cleaner (ACL) housing.
- The clamps and hoses on the valve.
Note. Note how the hoses are connected.
HINT: If it is difficult to pull off the hose: Cut the hose along its length at the connection.
Installing/reconnecting
- The hoses in their original positions. The clamps. Red (on the intake pressure side) Yellow (to the boost pressure control (BPC) valve) White (to the by-pass valve)
- The valve to the air cleaner (ACL) housing
- The connector.
Scheme 26
Remove
- the upper timing cover.
Scheme 27
Remove
- the connector
- the screws
- the valve
- the gasket.
Note. Clean the area around the variable valve timing (VVT) valve thoroughly to avoid contaminated oil entering the ducts/the variable valve timing (VVT) valve.