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 duct pipes and hoses must be free of oil and grease before installing.
Secure all hose connections with standard production hose clamps.
Spray the bolts on the used clamps with rust remover before installing.
-- Only unpack the new cylinder head gasket immediately prior to installation. The silicon layer and the cylinder head gasket recessed area must not be damaged.
-- Carefully remove the sealant residue from cylinder head and cylinder block. Make sure that no long grooves or scratches result. Carefully remove all lapping and sanding residue.
-- Clean the cylinder head bolt blind holes. If necessary blow out with compressed air.
-- Position the cylinder head gasket.
- Pay attention to centering pins in cylinder block -arrows-.
- Pay attention to the cylinder head gasket installation position: the part number must be readable from the intake side.
-- If the crankshaft was turned in the meantime, bring the piston for cylinder 1 to TDC and then turn the crankshaft back again slightly. Take care not to damage the timing chain in the process.
-- Position the cylinder head.
-- 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 Camshafts, Installing .
-- Support the engine in its installed position again. Refer to ENGINE, SUPPORTING IN INSTALLATION POSITION .
-- Remove the engine mount and the engine support.
-- Now install the camshaft timing chain. Refer to Install the Camshaft Timing Chain
Further assembly is performed in the reverse order of removal, but observe the following:
-- Replace the engine oil. Refer to Procedure Descriptions; Engine Oil, Draining or Extracting, Changing Oil Filter and Filling Oil.
-- Fill with new coolant. Refer to COOLANT, DRAINING AND FILLING .