Cylinder Head, Valvetrain

Intake Manifold Upper Section

Special tools, testers and auxiliary items required

• Spring-type clip pliers (VAS 5024 A)

Removing

• During installation, re-install all heat insulation sleeves at the same locations.

• All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.

- Carefully pull the engine cover at the rear and middle upward and off - arrows 1 -.





- Then, pull the engine cover forward and off from intake manifold - arrows 2 -.

- Disconnect hose - 1 - from air duct hose.





- Remove left air duct hose - arrows -.

- Disconnect vacuum hose - arrow - to Leak Detection Pump (LDP) (V144) from intake manifold.





- Disconnect electrical connection - 7 - at throttle valve control module 2 (J544).





- Separate vacuum lines - 3 - and - 5 -.

- Pull off hoses - 2 - and - 6 - for the crankcase breather.

• Ignore - 1 - and - 4 -

- Separate electrical connector - 1 - for mass air flow (MAF) sensor (G70).





- Disconnect air duct hose - 4 - at intake manifold.

- Unhook retainer for connections - 2 - and - 3 - at upper part of air filter housing.

- Remove bolts - arrows -.

- Remove upper part of right air filter housing.

- Disconnect electrical connection - 6 - at throttle valve control module (J338).





- Disconnect vacuum hose - 1 -.

- Pull off hoses for crankcase breather - 4 - and - 5 -.

• Ignore - 2 - and - 3 -.

- Pull off vacuum hose - 4 - from Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80).





• Ignore items - 1 to 3 -.

- Remove bolts - arrows -.





- Remove bolts - 1 - and - 2 - and remove intake manifold upper-section.

• Plug the intake ports of the cylinder head with clean rags.

Installing

Installation is in reverse order of removal, note the following:

• Replace gaskets and O-rings.

• During installation, protective heat boots must be re-installed at the same location.

• Secure all hose connections using hose clamps appropriate for the model type.

• During installation, all cable ties must be re-installed at the same location.

Tightening Specifications





* Observe different bolt lengths.

* Replace bolts.

* 180° corresponds to a half turn.