Remove crankcase vent from cylinder head cover (1).
Disconnect hose between intake pipe and intake manifold (2).
Unbolt charge air pipe from intake manifold (3).
Unbolt bracket for intake pipe and charge air pipe from cylinder head (see illus.).
Remove oil dipstick guide tube from cylinder block.
Unbolt intake pipe from bracket on charge air pipe.
Remove, Disconnect
Detach charge air pipe hose clamp from turbocharger and remove charge air pipe from engine compartment (see illus. I).
Remove coolant hoses between oil cooler and thermostat housing or connection on cylinder head completely (see illus. II).
Collect escaping coolant.
Unscrew connection from cylinder head (see illus. III).
Clean
Clean sealing surfaces at cylinder head.
Install, Connect
Screw connection with new gasket to cylinder head (see illus. III).
Tighten (Torque)
Connection to cylinder head - 30 Nm / 22 lbf. ft.
Install, Connect
Install coolant hoses.
Install oil dipstick guide tube with new seal ring. Screw charge air pipe with new gasket to intake manifold. Tighten hose clamp to turbocharger. Screw bracket for intake pipe to cylinder head.
Tighten (Torque)
Charge air pipe to intake manifold - 20 Nm / 15 lbf. ft.
Install, Connect
Install hose between intake pipe and intake manifold. Connect crankcase vent.
Top up coolant via compensation tank. Ensure that anti-freeze is adequate down to - 30 ° C/- 22 ° F. Cooling system bleeds automatically during engine warm-up phase.
Inspect
Allow engine to cool. Check coolant level, correct if necessary.
Remove, Disconnect 
Clean 
Install, Connect 
Tighten (Torque) 
Inspect 