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 hose connections with standard production clamps. Refer to the Parts Information.
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 grinding 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 the top dead center position and then turn the crankshaft back again slightly.
-- Position the cylinder head.
-- Insert cylinder head bolts and tighten by hand.
-- Cylinder head tightening sequence. Refer to Figure.
It is not necessary to retighten the cylinder head bolts after repairs.
-- Rotate the vibration damper using the : T10355 into the "TDC" position.
- The notch on the vibration damper and the marking on the lower cover for timing chain must be opposite one another -arrow-.
Installation is performed in reverse order of removal, while noting the following:
-- Install the camshafts. Refer to CAMSHAFT, REMOVING AND INSTALLING .
-- Change the engine oil. Refer to ENGINE OIL, DRAINING OR EXTRACTING; REPLACING OIL FILTER AND FILLING ENGINE OIL .
-- Change the coolant. Refer to COOLANT, DRAINING AND FILLING .
-- Install the front exhaust pipe with the catalytic converter. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .