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Home >> Porsche >> 2013 >> 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 >> 21, Turbocharging

21, Turbocharging

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Information 

Tighten screw-type clamps for securing pressure and intake pipes and pressure and suction hoses to charge-air cooler and turbocharger to > Tightening torque 5.5 Nm (4 ftlb.) 

Fig 1: Turbocharger, Cylinders 1 To 4 - Cooling Components Location With Torque Specification
G15197584Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Turbocharger, cylinders 1 to 4 - cooling

Coolant return line for turbocharger > Tightening torque 30 Nm (22 ftlb.) 
Coolant supply line for turbocharger > Tightening torque 30 Nm (22 ftlb.) 
Clamp
4 Coolant supply hose for turbocharger
Turbocharger; exhaust manifold/turbocharger module
Fig 2: Turbocharger, Cylinders 5 To 8 - Cooling Components Location With Torque Specification
G15197585Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Turbocharger, cylinders 5 to 8 - cooling

Coolant return line for turbocharger > Tightening torque 30 Nm (22 ftlb.) 
Coolant supply line for turbocharger > Tightening torque 30 Nm (22 ftlb.) 
Coolant supply line holder to oil guide housing > Tightening torque 10 Nm (7.5 ftlb.) 
Fig 3: Oil Circuit For Turbocharger, Cylinders 1 To 4 Components Location With Torque Specification
G15197586Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Oil circuit for turbocharger, cylinders 1 to 4

Turbocharger vent line for cylinders 1 to 4; vent line to turbocharger oil extraction line > Tightening torque 35 Nm (26 ftlb.)  and vent line retaining clip to collection pipe > Tightening torque 6.5 Nm (5 ftlb.) 
Turbocharger oil feed line for cylinders 1 to 4; turbocharger oil feed line to connection piece > Tightening torque 40 Nm (30 ftlb.)  ; turbocharger oil feed line to cylinder head > Tightening torque 35 Nm (26 ftlb.) 
not shown  Check valve connection piece to turbocharger > Tightening torque 45 Nm (33 ftlb.) 
Holder
Seal
Oil extraction line
Screw, M6 x 12; turbocharger oil extraction line to oil guide housing > Tightening torque 10 Nm (7.5 ftlb.)  and turbocharger oil supply line holder > Tightening torque 10 Nm (7.5 ftlb.) 
Screw, M6 x 16 > Tightening torque 10 Nm (7.5 ftlb.) 
Fig 4: Oil Circuit For Turbocharger, Cylinders 5 To 8 Components Location With Torque Specification
G15197587Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Oil circuit for turbocharger, cylinders 5 to 8

Turbocharger oil feed line for cylinders 5 to 8; turbocharger oil feed line to connection piece > Tightening torque 40 Nm (30 ftlb.)  ; turbocharger oil feed line to cylinder head > Tightening torque 35 Nm (26 ftlb.) 
Turbocharger vent line for cylinders 5 to 8; vent line to turbocharger oil extraction line > Tightening torque 35 Nm (26 ftlb.) 
Screw, M6; turbocharger oil extraction line to oil guide housing > Tightening torque 10 Nm (7.5 ftlb.)  and retaining clip > Tightening torque 6.5 Nm (5 ftlb.) 
Retaining clip
Oil extraction line
Screw, M6 x 16 > Tightening torque 10 Nm (7.5 ftlb.) 
Seal
Fig 5: Turbocharger Exhaust Manifold, Cylinders 1 To 4 Components Location With Torque Specification
G15197588Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Turbocharger exhaust manifold, cylinders 1 to 4

Turbocharger exhaust manifold, cylinders 1 to 4
Seal; install so that marking on seal is legible
Lower tab washer
Upper tab washer
Nut M8; turbocharger exhaust manifold to cylinder head; replace > Tightening torque 27 Nm (20 ftlb.) 
Fig 6: Turbocharger Exhaust Manifold, Cylinders 5 To 8 Components Location With Torque Specification
G15197589Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Turbocharger exhaust manifold, cylinders 5 to 8

Turbocharger exhaust manifold, cylinders 5 to 8
Seal; install so that marking on seal is legible
Nut M8; turbocharger exhaust manifold to cylinder head; replace > Tightening torque 27 Nm (20 ftlb.) 
Upper tab washer
Lower tab washer
Fig 7: Turbocharger Exhaust Manifold Screws Tightening Sequence
G15197590Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Tightening sequence for turbocharger exhaust manifold

1 to 12  applies to both sides, always start at the timing-case cover
Fig 8: Boost Pressure And Wastegate 1 Components Location
G15197591Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Boost pressure and wastegate 1

Pressure line, boost pressure line
Hose clamp
Cycle valve
Support to timing-case cover
Combination holder
Wastegate control line for cylinders 5 to 8
Wastegate control line for cylinders 1 to 4
Hose holder
Screw to timing-case cover; see Timing-case cover
Fig 9: Boost Pressure And Wastegate 2 Components Location With Torque Specification
G15197592Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Boost pressure and wastegate 2

Pressure line
Vacuum line
Hose clamp
Screw, M6 x 12 > Tightening torque 10 Nm (7.5 ftlb.) 
Holder
Rubber element
Electric change-over valve
Control line
View A; connection of pressure line to intake-air distributor