Cylinder Head, Removing And Installing: Installing
Replace the bolts that were tightened with an additional turn.
Replace the gaskets, seals and self-locking nuts.
The hose supports, air guide pipes and hoses must be free of oil and grease before installing.
Secure hose connections with standard production clamps.
The screws on the used clamps must be sprayed with a rust remover before installing.
-- Only unpack new cylinder head gasket immediately prior to installation. The silicon layer and the cylinder head seal recessed area must not be damaged.
-- Carefully remove sealant residue from cylinder head and cylinder block. Make sure that no long scrapes or scratches result. Carefully remove all grinding and sanding residue.
-- Clean the cylinder head bolt blind holes. If necessary with compressed air.
-- Set cylinder head gasket in place.
- Pay attention to centering pins in cylinder block -arrows-.
- Cylinder head gasket installed position: the part number must be readable from the intake side.
-- If the crankshaft was turned in the meanwhile: bring the piston for cylinder 1 to Top Dead Center (TDC) and then turn the crankshaft back just a little. Take care not to damage the timing chain in the process.
-- Set cylinder head in place.
-- Install and tighten the cylinder head bolt. Tightening sequence. Refer to Figure
-- Install the camshaft but the camshaft timing chain is not installed yet. Refer to CAMSHAFT, REMOVING AND INSTALLING .
-- Support the engine in its installed position again. Refer to ENGINE, SUPPORTING IN INSTALLED POSITION .
-- Remove the engine mount and the engine support. Refer to ENGINE SUPPORT, REMOVING AND INSTALLING .
-- Now install the camshaft timing chain. Refer to CAMSHAFT, REMOVING AND INSTALLING .
Further assembly is performed in the reverse order of removal, there by observing the following:
-- Replace the engine oil. Refer to appropriate service information.
-- Fill with new coolant. Refer to COOLANT, DRAINING AND FILLING .