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Cylinder Head 15 D (4 EC1), 15 DT (T4 EC1)
Cylinder head gasket Thickness Identification At piston projection:
New mm 1.35 1 notch 0.58 to 0.64 mm 1.40 2 notches 0.65 to 0.70 mm 1.45 3 notches 0.71 to 0.78
Permissible deviation mm 0.0 to 0.10 of plane surfaces
Peak to valley height mm 0.0 to 0.013 of sealing surfaces
Overall height of cylinder head mm 131.45 to 131.55 (sealing surface to sealing surface) min. 131.25
Permissible deviation of mm 0.0 to 0.20 plane surface of manifold contact surfaces
Indentation of valves to sealing surface Intake mm 0.5 to 1.0 Exhaust mm 0.5 to 1.0
Swirl chamber projection mm 0.00 to 0.03
Machining of Valve Seat
Valve seat: 45° Lower correction angle: 75° Upper correction angle: 15°
Valve seat width
Intake mm 1.2 to 1.5 (new valve seats) max. 2.0 (used valve seats) Exhaust mm 1.2 to 1.5 (new valve seats) max. 2.0 (used valve seats)
Valve stem play
Intake mm 0.02 to 0.20 Exhaust mm 0.03 to 0.25
Cylinder Head 15 D (4 EC1), 15 DT (T4 EC1)
Camshaft
Radial runout mm 0.03 to 0.10
End play mm 0.05 to 0.20
Cam stroke Intake mm 8.70
Exhaust mm 8.63
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