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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (2X Petrol, Exhaust, Engine-Electric - General 3.0L (Eng Code MDK.Kb) -- 992 - 911 CARRERA (992)) >> WM, 2X00IN Technical Values >> Technical Values - Fuel System, Electronic Injection >> High-Pressure Pump, Fuel Lines, Sensors >> Overview Of High-Pressure Pump, Fuel Lines

Overview Of High-Pressure Pump, Fuel Lines

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Fig 1: Fuel System On High-Pressure Side Components Location With Torque Specification
G15508622Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Component overview of fuel system on high-pressure side

1 High-pressure pump -1- 
2 O-ring on high-pressure pump -2-  - replace O-ring! 
3 Screws on high-pressure pump -3-  - replace screws  > Tightening torque 13 Nm (9.5 ftlb.) 
4 Low-pressure fuel line -4- 
5 Holder for fuel lines -5- 
6 M6 screws for holder for fuel lines -6-  > Tightening torque 13 Nm (9.5 ftlb.) 
7 Fuel collection pipe, bank 4-6 -7- 
8 Screws, M8 x 80 -8-  > Initial tightening 10 Nm (7.5 ftlb.)  > Initial tightening 10 Nm (7.5 ftlb.)  > Final tightening torque angle 90°  > Loosening and initial tightening 10 Nm (7.5 ftlb.)  > Final tightening torque angle 90° 
9 Fuel collection pipe, bank 1-3 -9- 
10 Low-pressure line -10- 
11 Union nuts on fuel lines (a/f 17) -11-  > Initial tightening 8 Nm (6 ftlb.)  > Final tightening torque angle + 50° + 10° 
12 Low-pressure sensor -12-  > Tightening torque 25 Nm (19 ftlb.) 
13 High-pressure sensor for cylinder bank 4-6 -13-  - Always counter at the mount when tightening!  > Tightening torque 37.5 Nm (27.5 ftlb.) +/- 2 Nm (1.5 ftlb.) 
14 High-pressure sensor for cylinder bank 1-3 -14-  - Always counter at the mount when tightening!  > Tightening torque 37.5 Nm (27.5 ftlb.) +/- 2 Nm (1.5 ftlb.) 
Location Description Type Basic value Tolerance
Screw securing low-pressure line to crankcase Item 3 Tightening torque 32 Nm (24 ftlb.)  
G15508623Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Low-pressure fuel line (lower section)


Fig 1: Fuel System On High-Pressure Side Components Location With Torque Specification
G15508677Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Component overview of fuel system on high-pressure side

1 High-pressure pump -1- 
2 O-ring on high-pressure pump -2-  - replace O-ring! 
3 Screws on high-pressure pump -3-  - replace screws  > Tightening torque 13 Nm (9.5 ftlb.) 
4 Low-pressure fuel line -4- 
5 Holder for fuel lines -5- 
6 M6 screws for holder for fuel lines -6-  > Tightening torque 13 Nm (9.5 ftlb.) 
7 Fuel collection pipe, bank 4-6 -7- 
8 Screws, M8 x 80 -8-  > Initial tightening 10 Nm (7.5 ftlb.)  > Initial tightening 10 Nm (7.5 ftlb.)  > Final tightening torque angle 90°  > Loosening and initial tightening 10 Nm (7.5 ftlb.)  > Final tightening torque angle 90° 
9 Fuel collection pipe, bank 1-3 -9- 
10 Low-pressure line -10- 
11 Union nuts on fuel lines (a/f 17) -11-  > Initial tightening 8 Nm (6 ftlb.)  > Final tightening torque angle + 50° + 10° 
12 Low-pressure sensor -12-  > Tightening torque 25 Nm (19 ftlb.) 
13 High-pressure sensor for cylinder bank 4-6 -13-  - Always counter at the mount when tightening!  > Tightening torque 37.5 Nm (27.5 ftlb.) +/- 2 Nm (1.5 ftlb.) 
14 High-pressure sensor for cylinder bank 1-3 -14-  - Always counter at the mount when tightening!  > Tightening torque 37.5 Nm (27.5 ftlb.) +/- 2 Nm (1.5 ftlb.) 
Location Description Type Basic value Tolerance
Screw securing low-pressure line to crankcase Item 3 Tightening torque 32 Nm (24 ftlb.)  
G15508678Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Low-pressure fuel line (lower section)
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