A8L Quattro Sedan V8-4.2L (BVJ) (2007)
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To avoid scratching the intake manifold, apply adhesive tape in the area of the high pressure lines.
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Next, raise the front of the intake manifold upward - arrow 1 -.
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Swing the intake manifold to the right side of the vehicle - arrow 2 -, under the high pressure fuel lines and out.
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Remove the intake manifold from the engine compartment.
‹› Plug the intake ports of the cylinder head with clean cloths.
Installing
‹› Replace gaskets and O-rings.
‹› Secure all hose connections using hose clamps appropriate for the model type.
‹› During installation, all cable ties must be reinstalled at the same location.
‹› Tightening specifications, refer to => [ Intake Manifold ] See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair/Intake
Manifold and Fuel Rail Assembly Overviews, with Magnesium Manifold, and => [ Fuel Rail and Injectors ] See: Engine, Cooling and
Exhaust/Engine/Intake Manifold/Service and Repair/Intake Manifold and Fuel Rail Assembly Overviews, with Magnesium Manifold.
Installation is performed in reverse order of removal, noting the following:
‹› 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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Hand tighten the union nuts for the high pressure lines.