Tightening Sequence For Low-Pressure Fuel Lines

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Fit union nut -1- by hand.
1. 1.1 Coat thread on union nuts with Microgleit DF 977S. Observe drying time of at least 5 minutes before fitting.
Tighten screws -2- .
> Tightening torque 9 Nm (6.5 ftlb.)
Union nut -1-
> Initial tightening 8 Nm (6 ftlb.)

> Final tightening + 50°

Fig 1: Low-Pressure Fuel Line Screws Tightening Sequence

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Tightening sequence for low-pressure fuel line