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Home >> Porsche >> 2016 >> Panamera Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (10 - Engine - Crankcase, Suspension 4.8L Turbo -- 970 - PANAMERA (970)) >> WM, 1001IN Tightening Torques, Tightening Sequences And Assembly Overviews >> 10, Crankcase

10, Crankcase

WARNING: This page is about a different variant/trim than selected.
Fig 1: Upper Part Of Crankcase Components Location With Torque Specification
G15197497Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Upper part of crankcase

1  Upper part of crankcase
2  Lid
3  Sealing ring
4  Screw plug for upper cart of crankcase > Tightening torque 30 Nm (22 ftlb.)  and > Torque angle 60° 
5  Dowel sleeve
6  Oil spray jet
7  Screw, M6 x 16 > Tightening torque 10 Nm (7.5 ftlb.) 
A  Direction of travel
Fig 2: Lower Part Of Crankcase V8 2WD Components Location With Torque Specification
G15197498Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Lower part of crankcase V8 2WD

1  Lower part of crankcase
2  Straight pin, 6 x 18
3  Sealing ring
4  Sealant application - Doboseal 224N (999.915.573.43, status 09/08)
5  Thrust-bearing screw, M11; tighten screws within 5 minutes; observe tightening sequence. > Initial tightening 30 Nm (22 ftlb.)  > Torque angle 90° 
Information 
  • The main bearing screws (4WD) for the fourth main bearing (feeding through all-wheel cross tube) are shorter than those for the 2WD engine. 
  • Do not confuse main bearing screws! 
6  Thrust-bearing screw, M10; tighten screws within 5 minutes; observe tightening sequence. > Initial tightening 22 Nm (16 ftlb.)  > Torque angle 60° 
Information 
  • The main bearing screws (4WD) for the fourth main bearing (feeding through all-wheel cross tube) are shorter than those for the 2WD engine. 
  • Do not confuse main bearing screws! 
7  Aluminium screw  , M8 x 70; (cross bolt connection); always use new aluminium screws; > Initial tightening 10 Nm (7.5 ftlb.)  and > Final tightening 90° 
8  Screw, M8 x 35 > Tightening torque 23 Nm (17 ftlb.) 
9  Screw, M8 x 50 > Tightening torque 23 Nm (17 ftlb.) 
10  Dowel sleeve
A  Direction of travel
Fig 3: Lower Part Of Crankcase V8 4WD Components Location With Torque Specification
G15197499Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Lower part of crankcase V8 4WD

1  Lower part of crankcase
2  Straight pin, 6 x 18
3  Dowel sleeve
4  Seal
5  Sealing flange
6  Screw, M6 x 20 > Tightening torque 13 Nm (9.5 ftlb.) 
7  Screw, M8 x 35 > Tightening torque 23 Nm (17 ftlb.) 
8  Screw, M8 x 50 > Tightening torque 23 Nm (17 ftlb.) 
9  Sealing rings for sealing flange/cross tube
10  Cross tube for all-wheel drive cross shaft
11  Aluminium screw  , M8 x 70; (cross bolt connection); always use new aluminium screws; > Initial tightening 10 Nm (7.5 ftlb.)  and > Final tightening 90° 
12  Thrust-bearing screw, M10; tighten screws within 5 minutes; observe tightening sequence. > Initial tightening 22 Nm (16 ftlb.)  > Torque angle 60° 
Information 
  • The main bearing screws (4WD) for the fourth main bearing (feeding through all-wheel cross tube) are shorter than those for the 2WD engine. 
  • Do not confuse main bearing screws! 
13  Thrust-bearing screw, M11; tighten screws within 5 minutes; observe tightening sequence. > Initial tightening 30 Nm (22 ftlb.)  > Torque angle 90° 
Information 
  • The main bearing screws (4WD) for the fourth main bearing (feeding through all-wheel cross tube) are shorter than those for the 2WD engine. 
  • Do not confuse main bearing screws! 
14  Sealing ring
-  Sealant application - Doboseal 224N (999.915.573.43, status 09/08)
G15197500Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Sealant application

1  Wipe off sealant residues after fitting
A  Direction of travel
Fig 4: Thrust-Bearing Screws Tightening Sequence
G15197501Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Tightening sequence for thrust-bearing screws

1 to 20  Tightening sequence for M11 and M10 screws => Observe different torques!
A  Direction of travel
Fig 5: Lower Part Of Crankcase To Upper Part Of Crankcase Screws Tightening Sequence
G15197502Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Tightening sequence for securing lower part of crankcase to upper part of crankcase (cross bolt connection)

Fig 6: Left Bracket For Auxiliary Units And 2WD Engine Mounting Components Location With Torque Specification
G15197503Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Left bracket for auxiliary units and 2WD engine mounting

1  Bracket for auxiliary units
2  Screw, M10 x 45 > Tightening torque 65 Nm (48 ftlb.) 
3  Dowel sleeve
4  Engine carrier
5  Hydraulic mount, left
6  Nut, M12 > Tightening torque 120 Nm (89 ftlb.) 
Fig 7: Left Bracket For Auxiliary Units And 4WD Engine Mounting Components Location With Torque Specification
G15197504Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Left bracket for auxiliary units and 4WD engine mounting

1  Bracket for auxiliary units
2  Screw, M10 x 45 > Tightening torque 65 Nm (48 ftlb.) 
3  Dowel sleeve
4  Engine carrier/cross-shaft engine carrier
5  Hydraulic mount, left
6  Nut. M12 > Tightening torque 120 Nm (89 ftlb.) 
Fig 8: Left Bracket For Auxiliary Units And 4WD Turbo Engine Mounting Components Location With Torque Specification
G15197505Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Left bracket for auxiliary units and 4WD turbo engine mounting

1  Bracket for auxiliary units
2  Screw, M10 x 45 > Tightening torque 65 Nm (48 ftlb.) 
3  Dowel sleeve
4  Engine carrier/cross-shaft engine carrier
5  Hydraulic mount, left
6  Nut. M12 > Tightening torque 120 Nm (89 ftlb.) 
7  Heat shield
8  Screw, M6 x 12 > Tightening torque 13 Nm (9.5 ftlb.) 
Fig 9: Right Engine Mounting Components Location With Torque Specification
G15197506Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Right engine mounting

1  Engine carrier
2  Screw, M10 x 45 > Tightening torque 65 Nm (48 ftlb.) 
3  Nut, M12 x 1.5 > Tightening torque 120 Nm (84 ftlb.) 
4  Hydraulic mount, right
5  Installation view of screw-on points for engine carrier on crankcase

For tightening specifications for the 4WD front-axle final drive, see >  WM 398819 REMOVING AND INSTALLING FOUR-WHEEL FINAL DRIVE (PANAMERA 4, PANAMERA 4S, PANAMERA TURBO, PANAMERA 4 S EXECUTIVE, PANAMERA TURBO EXECUTIVE, PANAMERA TURBO S, PANAMERA TURBO S EXECUTIVE, PANAMERA GTS) 

Fig 10: Oil Mist Separator Components Location With Torque Specification
G15197507Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Oil mist separator

1  Engine ventilation/oil mist separator
2  Moulded seal
3  Moulded seal
4  Screw elements, M6 > Tightening torque 10 Nm (7.5 ftlb.) 
Fig 11: Ventilation Components Location (Naturally Aspirated Engines)
G15197508Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Ventilation, naturally aspirated engines

1  Engine ventilation line
2  Line for oil mist separator to intake-air distributor
3  Tank ventilation
4  Aluminium holder
5  Aluminium screw (holder); see Timing-case cover
Fig 12: Ventilation Components Location (Turbo Engines)
G15197509Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Ventilation, turbo engines

1  Engine ventilation line
2  Check valve for full-load ventilation with secured lines
3  Tank ventilation
4  Aluminium holder
5  Aluminium screw (holder); see Timing-case cover
6  Belt tensioner
7  Holder
8  Fastening screw; see Belt drive
Fig 13: Positive Crankcase Ventilation (PCV) Components Location With Torque Specification (Turbo)
G15197510Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Positive crankcase ventilation (PCV), turbo

1  Ventilation pipe with sealing ring (to lower part of crankcase)
2  Screw M6; ventilation pipe to lower cart of crankcase > Tightening torque 10 Nm (7.5 ftlb.)  and ventilation pipe to cylinder head > Tightening torque 10 Nm (7.5 ftlb.) 
-  Installation view of cylinder head
Fig 14: Engine Design Cover Components Location With Torque Specification
G15197511Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Engine design cover

1  Design cover for cylinder bank 1 to 4
2  Design cover for cylinder bank 5 to 8
3  Screw; design cover to bar ignition module > Tightening torque 4.4 Nm (3.5 ftlb.) 
4  Mounting points (rubber ball elements)