Q7 Quattro V8-4.2L (BAR) (2008)
6
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Support ring
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Replace
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The fuel rail wields force via support ring to hold fuel injector tightly in the cylinder head.
7
-
Fuel rail
8
-
High pressure line
CAUTION:
-
Before opening high pressure components of the fuel injection system, pressure must be relieved to residual pressure.
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Then wrap a clean cloth around the connection and relieve residual pressure by carefully loosening the connection.
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Connectors should not show any signs of damage
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Do not change bend shape
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Tighten high-pressure lines.
9
-
High pressure line
CAUTION:
-
Before opening high pressure components of the fuel injection system, pressure must be relieved to residual pressure.
-
Then wrap a clean cloth around the connection and relieve residual pressure by carefully loosening the connection.
-
Connectors should not show any signs of damage
-
Do not change bend shape
-
Tighten high pressure lines.
10
-
Pressure relief valve 140 bar
-
For high pressure line
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Tighten to 25 Nm
11
-
9 Nm
-
Tighten in diagonal sequence in steps
12
-
9 Nm
-
Tighten in diagonal sequence in steps