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Home >> Porsche >> 2018 >> Macan S >> Repair and Diagnosis >> External Pages >> Different car >> Section 790 (10 - Engine - Crankcase, Suspension 4.8L Turbo -- 970 - PANAMERA (970)) >> WM, 1001IN Tightening Torques, Tightening Sequences And Assembly Overviews >> 24, Fuel System

24, Fuel System

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Fig 1: Fuel Distributor Pipe Components Location With Torque Specification
G15197593Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Fuel distributor pipe

1  Fuel distribution pipe (fuel gallery)
2  Stopper; in 3 turns (tighten. loosen, tighten) > Tightening torque 25 Nm (19 ftlb.) 
3  High-pressure sensor > Tightening torque 20 Nm (15 ftlb.) 
Fig 2: Injectors (High-Pressure Fuel Injectors) Components Location With Torque Specification
G15197594Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Injectors (high-pressure fuel injectors)

1  Holder
2  Screw, M8 x 30 > Tightening torque 23 Nm (17 ftlb.) 
3  Injector (high-pressure fuel injector)
Fig 3: Fuel Distribution Pipe Mount Components Location With Torque Specification
G15197595Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Mount for fuel distribution pipe

1  Screw, M6 x 16 > Tightening torque 10 Nm (7.5 ftlb.) 
2  Screw, M6 x 25 > Tightening torque 10 Nm (7.5 ftlb.) 
3  High-pressure line connection
4  Connection to injector (high-pressure fuel injector); in 3 turns (tighten, loosen, tighten) > Tightening torque 25 Nm (19 ftlb.) 
Fig 4: High-Pressure Pump Components Location With Torque Specification (Turbo Engine)
G15197596Courtesy of PORSCHE CARS NORTH AMERICA, INC.

High-pressure pump, turbo engine

1  High-pressure pump
2  High-pressure line; (3 turns; tighten. loosen, tighten) > Tightening torque 25 Nm (19 ftlb.) 
3  Screw, M6, for low-pressure line > Tightening torque 10 Nm (7.5 ftlb.) 
4  Low-pressure line; (3 turns: tighten, loosen, tighten); counter at hexagon on high-pressure pump > Tightening torque 25 Nm (19 ftlb.) 
5  Screw socket. M8 > Tightening torque 23 Nm (17 ftlb.) 
6  Screw socket, M6 > Tightening torque 10 Nm (7.5 ftlb.) 
7  Protective plate
8  Screw, M6 x 20 > Tightening torque 10 Nm (7.5 ftlb.) 
inset  Required line distance (5 to 8 mm) between components
Fig 5: High-Pressure Pump Components Location With Torque Specification (Naturally Aspirated Engine)
G15197597Courtesy of PORSCHE CARS NORTH AMERICA, INC.

High-pressure pump, naturally aspirated engine

1  High-pressure pump
2  High-pressure line; (3 turns: tighten, loosen, tighten) > Tightening torque 25 Nm (19 ftlb.) 
3  Screw, M6, for low-pressure line > Tightening torque 10 Nm (7.5 ftlb.) 
4  Low-pressure line; (3 turns: tighten, loosen, tighten); counter at hexagon on high-pressure pump > Tightening torque 25 (19ftlb.) Nm 
5  Screw socket, M8 > Tightening torque 23 Nm (17 ftlb.) 
6  Screw socket, M6 > Tightening torque 10 Nm (7.5 ftlb.) 
7  Protective plate
8  Screw, M6 x 20 > Tightening torque 10 Nm (7.5 ftlb.) 
inset  Required line distance (5 to 8 mm) between components
Fig 6: Intake Module Screws Tightening Sequence (Naturally Aspirated Engine And Turbo Engine)
G15197598Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Tightening sequence for intake module applies to naturally aspirated engine and turbo engine

Fig 7: Intake Module On Naturally Aspirated Engine Components Location With Torque Specification
G15197599Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Intake module on naturally aspirated engine

1  Intake module
2  Decoupling module (fastening cart); observe tightening sequence > Tightening torque 15 Nm (11 ftlb.) 
3  Screw, 5 x 16 > Tightening torque 4 Nm (3 ftlb.)  and > Tightening torque 4 Nm (3 ftlb.) 
4  Pressure sensor
5  Intake module seal; check that seal is aligned and fitted correctly! 
6  Heat socket
7  Screw, 6 x 50 > Tightening torque 7 Nm (5 ftlb.) 
8  Electronic accelerator
9  Seal
10  Ball socket
Fig 8: Activating Variable Intake Manifold On Naturally Aspirated Engine Components Location With Torque Specification
G15197600Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Activating variable intake manifold on naturally aspirated engine

1  Pipe
2  Connecting piece
3  Variable intake manifold adjuster/adjusting unit
4  Lip seal
5  Connecting element
6  Vacuum unit with cover (actuator)
7  Screw, M5 x 16 > Tightening torque 4 Nm (3 ftlb.) 
8  Driver
9  Connecting rod
10  Vacuum line
Fig 9: Intake Air Module On Turbo Engine Components Location With Torque Specification
G15197601Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Intake air module on turbo engine

1  Intake module
2  Decoupling module (fastening part); observe tightening sequence > Tightening torque 15 Nm (11 ftlb.) 
3  Screw, 5 x 16 > Tightening torque 4 Nm (3 ftlb.)  and > Tightening torque 4 Nm (3 ftlb.) 
4  Pressure sensor
5  Intake module seal; check that seal is aligned and fitted correctly! 
6  Heat socket
7  Screw, 6 x 50 > Tightening torque 7 Nm (5 ftlb.) 
8  Electronic accelerator
9  Seal
10  Ball socket