Group 21 - Exhaust Gas Turbocharging: Turbochargers

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Fig 1: Turbocharger Components Location With Torque Specification - V8

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Turbocharger - V8

1	Left turbocharger
2	Right turbocharger
3	Bypass flap control box
4	M6 nuts
5	Circlip
6	Coolant supply line
7	Coolant return line
8	O-ring, 11 x 2.8/replace
9	Screw, M6 x 16 > Tightening torque 9 Nm (6.5 ftlb.)
10	Screw, M6 x 12 > Tightening torque 9 Nm (6.5 ftlb.)
11	Oil feed line
12	O-ring, 13 x 3/replace
13	Oil return line
14	Oil return line
15	O-ring, 13 x 3/replace
16	O-ring, 17 x 3/replace
17	Recirculating air valve
18	Screw, M6 x 18 > Tightening torque 9 Nm (6.5 ftlb.)

Fig 2: Control Box For Bypass Flap Components Location With Torque Specification

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Control box for bypass flap

1	Bypass flap control box
2	M6 nuts > Tightening torque 8 Nm (6 ftlb.)
3	Control rod
3.1	> Setpoint value 12 mm +/- 0.5 mm
3.2	> Setpoint value 4 mm +/- 0.3 mm
4	Lock nut for control box control rod > Tightening torque 8 Nm (6 ftlb.)