S5 Quattro Coupe V8-4.2L (CAUA) (2009)
1. Intake Flap Motor (V157) (brown connector)
2. Intake Manifold Runner Position Sensor (G336)
3. Variable Intake Manifold Runner Motor (V183) (black connector)
4. Intake Manifold Runner Position Sensor 2 (G512)
‹› To provide a better illustration, component location is shown from the front with the engine removed.
-
Move the intake manifold toward the right side of the vehicle under the high pressure fuel lines - arrow 2 -.
-
Remove the intake manifold from the engine compartment.
CAUTION!
The engine could be destroyed.
‹› Cover the intake chambers in the cylinder heads with a clean cloth to prevent small parts from falling in the combustion chambers.
Installing
Installation is in reverse order of removal, note the following:
‹› Replace seals and O-rings.
‹› Secure all hose connections using hose clamps appropriate for the model type.
‹› High pressure line connections must not show any signs of damage.
-
Pay attention to the locating point - 1 - when installing the intake manifold gaskets.