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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (15 Engine - Cylinder Head, Valve Drive 3.0L (Eng Code MDK.KA) -- 992 - 911 CARRERA (992)) >> WM, 157019 Removing And Installing Cylinder Heads >> Technical Values

Technical Values

WARNING: This page is about a different variant/trim than selected.
Location Description Type Basic value Tolerance 1 Tolerance 2
Coolant regulator housing to crankcase External Torx, M6 x50 Tightening torque 13 Nm (9.5 ftlb.)    
Coolant collection unit to crankcase External Torx, M6 x25 Tightening torque 13 Nm (9.5 ftlb.)    
Cylinder head to crankcase External Torx, M6 x25 Tightening torque 13 Nm (9.5 ftlb.)    
Cylinder head to crankcase: Step 1 Internal Torx, M12 x 1.5 x 140 (6x)-External Torx, M12 x 1.5 x 140 (2x) Initial tightening 5 Nm (3.5 ftlb.)    
Cylinder head to crankcase: Step 2   Tightening torque 50 Nm (37 ftlb.)    
Cylinder head to crankcase: Step 3   Loosen all screws 0 Nm (0 ftlb.)    
Cylinder head to crankcase: Step 4   Initial tightening 4 Nm (3 ftlb.)    
Cylinder head to crankcase: Step 5   Subsequent tightening 12 Nm (9 ftlb.)    
Cylinder head to crankcase: Step 6 Screws 1 -4 as per tightening sequence - set threshold torque of 15 Nm (11 ftlb.) Torque angle 65 Grad    
Cylinder head to crankcase: Step 7 Screws 5-8 as per tightening sequence - set threshold torque of 15 Nm (11 ftlb.) Torque angle 60 Grad    
Cylinder head to crankcase: Step 8 Screws 1 -4 as per tightening sequence Final tightening torque angle 65 Grad    
Cylinder head to crankcase: Step 9 Screws 5-8 as per tightening sequence Final tightening torque angle 60 Grad    
Bearing pin for guide and tensioning rails M6 Tightening torque 10 Nm (7.5 ftlb.)    
Oil line to cylinder head Screw, M6x12-replace O-rings Tightening torque 10 Nm (7.5 ftlb.)    
Holder for turbocharger lines Screws, M6 Tightening torque 10 Nm (7.5 ftlb.)    
Holder for fuel lines Screws, M6 Tightening torque 13 Nm (9.5 ftlb.)    
Generator to crankcase/cylinder head External Torx screw, M8 x90 Tightening torque 15 Nm (11 ftlb.)    
Heat shield to cylinder head Item 2: M6 screw Tightening torque 10 Nm (7.5 ftlb.)    
G15485711Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Heat shield on directional-control valve