Right Cylinder Head

Removal and Installation, Right Cylinder Head

(cylinder bank 1 to 4)

Preparation/Finishing
Remove right exhaust manifold. Right Side

Unfasten drain plug for coolant on right engine block.
Drain and dispose of coolant.

Installation:
Replace sealing ring.
Tightening Torque, refer to Engine, Specifications.
Top up coolant. Bleeding Cooling System

Remove both cylinder head covers. Service and Repair
Remove spark plugs. Service and Repair
Remove fan clutch with impeller. Service and Repair
Remove intake air manifold. Service and Repair
Remove coolant manifold. Thermostat Housing


Removal
Removal of cylinder head is described separately from installation.
Remove right camshaft adjustment unit. Right Camshaft Adjustment Unit





Pull special tool 11 2 300 back until flywheel is no longer secured in position.
Note: X5 (E53) uses special tool # 11 5 180.





Lift timing chain and hold under tension.

Note: Note marks.

Crank engine at central bolt against direction of rotation to 45° before TDC position.





Remove special tools 11 2 444 / 443 / 445 / 441.





Release cylinder head bolts in sequence 10 to 1.
Lift off cylinder head.

Installation:
Installation of cylinder head is described separately from removal.
Clean sealing faces of cylinder head and engine block, if necessary using wooden scraper to remove gasket debris. Ensure that no gasket debris drops into the oil and coolant ducts.
Threaded bores in engine block must be free of dirt and oil (danger of cracking).





Coat joint between engine block and timing case cover with Drei Bond 1209 (or equivalent).





Check that dowel sleeves are undamaged and correctly located.
Place new cylinder head gasket in position.





Put the cylinder head on. Install new cylinder head bolts. Do not wash off bolt coating.

Note: Use special tool 00 9 120 for torsion angle tightening.





Tighten down cylinder head bolts in sequence 1 to 10.
Tightening Torque, refer to Engine, Specifications.





Caution: Do not damage the cylinder head.

Rotate camshafts until camshaft markings face upwards.





Fit special tool 11 2 445 / 441 to camshafts on cylinder bank 1 to 4.





Caution: Do not damage the cylinder head.

Align camshafts with an open-end wrench so that special tools 11 2 441 / 445 rest without a gap on the cylinder head.





Fit special tool 11 2 443 to special tool 11 2 445 / 441 and secure with special tool 11 2 444 using the spark plug thread.





Lift timing chain and hold under tension.
Crank engine from the 45° before TDC position in direction of rotation up to TDC position.
Hold crankshaft in TDC position with special tool 11 2 300.

Caution: Remove special tool 11 2 300 before starting engine.
Note: X5 (E53) uses special tool # 11 5 180.

Install right camshaft adjustment unit.Right Camshaft Adjustment Unit

Assemble engine.