Automotive Manual PDF

Relieving fuel pressure
a) Remove the fuel fill cap.
b) On models equipped with a 6mm service bolt. (illustrated below) If your vehicle is not equipped with a 6mm service bolt, then proceed to step c.
i) Use a box end wrench on the 6mm service bolt on top of the fuel filter or fuel rail, while holding the special banjo bolt with another wrench.
ii) Place a rag or shop towel over the 6mm service bolt.
iii) Slowly loosen the 6mm service bolt one complete turn.
iv) Leave service bolt loose until all pressure has been relieved.
v) Tighten service bolt to 10 lbf-ft.
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