S5 Quattro Coupe V8-4.2L (CAUA) (2009)
‹› Check pressure gauge for leaks.
‹› Check fuel lines and their connections for leaks.
‹› Check the fuel pump delivery quantity.
‹› Replace the fuel filter with the integrated fuel pressure regulator.
Assembly is in reverse order of removal, note the following:
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Switch off ignition.
‹› Before removing pressure gauge, release fuel pressure by opening shut-off valve. Hold a container under the connection.
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Install the fuel supply line on the distribution piece. Make sure it is clean and there are no leaks.
Tightening Specifications