Fuel Rail and Fuel Injectors, Removing and Installing
Fuel Rail and Fuel Injectors, Removing and Installing
Special tools, testers and auxiliary items required
• Torque wrench (V.A.G 1331)
Perform the following:
Removing
• Follow all Safety Precautions. Refer to => [ Safety Precautions ] Safety Precautions.
• Follow the guidelines for cleanliness. Refer to => [ Clean Working Conditions ] Clean Working Conditions.
- First find out if a encoded radio is installed. If it is, get the anti-theft code.
- Disconnect battery.
Fuel system is under pressure!
• Wear protective goggles and protective clothing in order to avoid injury and contact with the skin.
• Before loosening line connections, place cloths around the connection point. Then release pressure by carefully pulling off the line.
- Disconnect fuel supply line - 1 -. Push the locking ring upward and into the housing.
- Seal off the line so that dirt cannot get into the fuel system.
- Remove the cable guide from the fuel rail.
- Disconnect the connector - 1 - from the fuel injectors and the connector - 4 - for the hall sensor (G40).
- Remove the bolts - 2 -.
- Remove the fuel rail - 3 - and the fuel injectors from the intake manifold.
- Seal off or cover the openings in the intake manifold.
Installing
Installation is performed in the reverse order of removal. When doing this note the following:
- Replace the seals on all fuel injectors and coat them lightly with clean motor oil.
- Place fuel rail with secured fuel injectors onto intake manifold, and apply uniform pressure to press it in.
- Tighten the bolts on the fuel rail.
Tightening specification: 9 Nm
- Fuel System, Bleeding. Refer to => [ Fuel System, Bleeding ] Service and Repair.
- Connect the battery.