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Home >> Porsche >> 2009 >> Boxster S (987) F6-3.4L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Cylinder Block Assembly >> Specifications
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Cylinder Block Assembly: Specifications

Cylinder head height





Standard dimension -X- 142.0 ± 0.05 mm

Permissible unevenness
Permissible unevenness of parting surface for used cylinder head 0.05 mm

Permissible unevenness after machining 0.03 mm

Permissible roughness profile (can be measured with contact stylus procedure) 15pt14

Permissible surface depth from standard dimension 0.15 ± 0.05 mm

Bore
Bore 93 mm

Crankshaft axial play





Gear Carrier
Position 14 M9 x 127 thrust-bearing screws manually. Pre-tighten screws to the required tightening torque in accordance with the tightening sequence. Then tighten to the required torque angle.

Initial tightening 15 Nm (11 ftlb.)
Torque angle 120°





Tightening sequence for gear carrier

Connecting rod bolt





Piston





Piston markings

Marking X appears as a large colored stamp in the middle of the piston crown, small as an engraved feature -1-.

Marking + or - appears as a large colored stamp in the middle of the piston crown, small as an engraved feature -2-.





Belt pulley
Tightening torque 37 ftlb.
Torque angle 90°
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