Installation
Installation of cylinder head is described separately from removal.
Clean sealing faces of cylinder head and engine block; if necessary, remove traces of gasket with hardwood spatula. Make sure no gasket remnants drop into oil and cooling channels.
Check adapter sleeves for damage and correct installation position.
Scheme 78
Apply permanently elastic sealing compound Drei Bond 1209 to joints to timing case cover.
Replace cylinder head gasket.
Note. A cylinder head seal 0.3 mm thicker than usual can be obtained for machined (milled) cylinder heads.
Scheme 79
| CAUTION | Different cylinder head bolts for M52TU engine: M10x95 for engines with cast iron engine block. M10x110 for engines with aluminum engine block. |
Use cylinder head bolts only once.
There must be no oil in the tapped holes of the engine block and the timing case cover.
Risk of cracking and distorted tightening values.
Put the cylinder head on.
Apply a light coat of oil to washer contact area and thread of new cylinder head bolts.
Tighten down cylinder head bolts in sequence 1 to 14.
Tightening torque; Jointing torque 30 N.m and an additional 90° and an 90°.
Scheme 80
Note. Use special tool 00 9 120 for torsion angle tightening.
Install chain guide.
Scheme 81
Insert screws and tighten down screw connection between timing case cover and cylinder head.
Scheme 82
Install camshafts, refer to 11 31 001 REPLACING CAMSHAFT (M52TU / M54 / M56) .
Install double VANOS adjustment unit, refer to 11 36 010 REMOVING AND INSTALLING OR REPLACING DOUBLE VANOS ADJUSTMENT UNIT (M52TU / M54 / M56) .
Assemble engine.