S5 Quattro Coupe V8-42L (CAUA) Intake Manifold Service and Repair
‹› The fuel injector must not be difficult to install. If necessary, wait as the combustion chamber seal continues to pull itself together.
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Make sure fuel injectors are correctly positioned in cylinder head.
‹› The electrical connection of the fuel injector must engage in the intended recess of the cylinder head.
‹› Coat the fuel injector O-rings with clean engine oil so they are easier to guide into the fuel rail.
‹› Replace all seals.
Further installation is in reverse order of removal, note the following:
‹› Tightening Specifications Intake manifold. Refer to => [ Plastic Intake Manifold, from MY 2009 Assembly Overview ] See: Plastic Intake
Manifold, from MY 2009 Assembly Overview
‹› High pressure line connections must not show any signs of damage.
‹› Do not change the angles of the high pressure lines.
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Only install retaining tabs after high pressure lines have been tightened.
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Install the affected intake manifold lower section. Refer to => [ Intake Manifold, Lower Section, with Fuel Rail ].
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Install intake manifold. Refer to => [ Intake Manifold ].