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GDI direct injection system
When refitting the same high pressure pipe (9),
lubricate the nuts (5) and (6).
Fit the high pressure pipe (9) onto both pipe
connections and snug the nuts (5) and (6)
manually.
Tighten the nut (6) on the rail (8) first, then the nut
(5) on the high pressure pump (7).
Tightening torque
Nut
Nut
Loosen the nut (5) on the high pressure pump by
two thread turns, then tighten again.
Tightening torque
Nut
Fit the soundproofing cover (4) on the rail, hand
tightening the two screws indicated.
When refitting the same soundproofing cover (4),
loosen the stud bolts indicated by the red
arrows in Fig. 2, then tighten the stud bolts
following the instructions given previously.
Then repeat the previous and following
operations.
Tighten the screws indicated in the sequence given
in the photo aside.
Tightening torque
Screw
Page 6 of 14
Nm
Class
+1
0
23
Nm
-1
+1
0
30
Nm
-1
Nm
Class
+1
0
30
Nm
-1
Nm
Class
+0
0
6
Nm
-2
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