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Home >> Porsche >> 2023 >> Taycan Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 126 (1X - Engine - General 4.0L Turbo Gas -- 971 - PANAMERA (971)) >> WM, 1X00IN Technical Values (V8 BITURBO) >> Group 10 - Engine - Crankcase, Suspension >> Tightening Sequence For Crankcase

Tightening Sequence For Crankcase

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Fig 1: Crankcase Screws Tightening Sequence - V8 Biturbo
G15824862Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Tightening sequence for crankcase - V8 biturbo

1-30  Tightening sequence for crankcase/bearing saddles

Tightening specifications for crankcase/bearing saddle 

Screw Steps Tightening torque
1-20 Step 1:/Fit  > Tightening torque 15 Nm (11 ftlb.) 
1-20 Step 2:  > Tightening torque 30 Nm (22 ftlb.) 
1-20 Step 3:  > Torque angle + 200° 
1-20 Step 4:/Loosen by 2  turns > Torque angle 720° 
1-20 Step 5:  > Tightening torque 30 Nm (22 ftlb.) 
1-20 Step 6:  > Torque angle 70° 
21-30 Step 7:  > Initial tightening 10 Nm (7.5 ftlb.)  > Final tightening + 50°