Audi Workshop Service and Repair Manuals

• ‒ → Remove engine cover -arrows-.
• ‒ Remove the intake hose between air mass meter and air intake elbow.
• ‒ Unplug connectors from all injectors.
• ‒ Pull vacuum hose off fuel pressure regulator.
• ‒ Expose wires at fuel manifold.

• ‒ → Unscrew fuel rail -arrows-.
• ‒ Pull fuel distributor rail together with injectors off intake manifold and place it on a clean cloth at the back of the engine compartment.

• ‒ Pull off retainer and detach injector.

Note:

Replacement of fuel manifold involves detaching fuel hoses.

Install in reverse order, paying attention to the following:

• ● Renew the O-rings at all opened connections. (when renewing the front O-ring, ensure that the plastic cap is not removed from the injector head. The O-ring must be pulled off over the plastic cap).
• ● Moisten the O-rings with clean engine oil.
• ● Make sure that the injectors are installed in the correct positions.
• ● Check to make sure that the retainer clamps are properly seated.
• ● Position fuel manifold with secured injectors on intake manifold and press evenly into place.

Tightening torque