Fuel Injectors

Fuel Injectors

Removing

• Observe the safety precautions. Refer to --> [ Safety Precautions ] Safety Precautions.

• Observe the rules for cleanliness. Refer to --> [ Clean Working Conditions ] Clean Working Conditions.

- First, check whether a coded radio is installed. If necessary, obtain the anti-theft coding.

- Disconnect the battery..

- Remove the engine cover with air filter. Refer to --> [ Engine Cover with Air Filter ] Engine Cover with Air Filter.

CAUTION!
Fuel supply line is under pressure! Wear protective goggles and protective clothing to prevent injuries and contact with skin. Before loosening the fuel lines, place a cloth around the connection point. Then release pressure by carefully disconnecting the connection.

- Disconnect the vent line - 2 - and the fuel supply line - 3 -. To release the line - 1 -, press the circlip in. With the line - 3 -, the retainer must be pressed upward in the housing.





- Disconnect the electrical connectors - 1 -, - 2 - and - 6 -.





- Remove the wiring harness - 3 - from the transport strap.

- Pull the clamps - 4 - and retaining ring - 5 - out of the locking mechanism.

- Remove the bolts - 7 - and remove the transport strap.

- Remove the bolts - 1 - and pull the fuel rail with fuel injectors evenly out of the intake manifold.





- Seal or cover the openings in the intake manifold.

- Pull of the retaining clips - 3 - and then remove the fuel injectors.

Installing

- Install new O-rings for the fuel injectors and coat them lightly with clean engine oil.

- Press the fuel injectors into fuel rail so that tabs - 1 - and - 2 - align.





- Slide the retaining clip - 3 - as shown into the groove of the fuel injector. Collar - 4 - must be located correctly in the cutout of the retaining clip on both sides.

- After assembling, check all fuel injectors for correct fitting.

- Install the fuel rail with secured fuel injectors to the intake manifold and press it in uniformly.

- Install the fuel rail to intake manifold bolts.

The rest of the installation follows the reverse of the removal procedures. When doing this note the following:

- Connect the battery..

- Bleed the fuel system. Refer to --> [ Fuel System, Bleeding ] Procedures.

Tightening Specifications