Removing
Turn off the fuel pump by removing the power fuse (see above «Fuel pump shutdown»)
Attention! The fuel supply line is under pressure! Wear safety goggles and protective clothing to avoid injury and skin contact. Before disconnecting the elements of the system, the connection point must be wrapped with rags. Then release the pressure by carefully disconnecting the hose.
Engine code BCA and BUD
Remove the air filter housing.
Further for vehicles of all types
Disconnect fuel line (2), collecting escaping fuel with a rag.
Attention! To unlock and remove the line, squeeze the retaining ring.
Protect fuel lines from contamination by plugging them.
1. Disconnect connectors (arrows) on all injectors.
2. Release the injector wiring harness.
3. Unscrew the fuel rail from the intake manifold.
4. Remove the fuel rail with injectors from the intake manifold.
5. Remove the latch (arrow) and remove the nozzle.
Installation
Installation is carried out in the reverse order, paying attention to the following.
Replace the O-rings of all connections that were removed or disassembled during the repair.
Lightly lubricate the rings with clean engine oil before installing the rings.
Check the correct fit and secure fastening of the fixing brackets.
Install the fuel manifold with the injectors installed and fixed on the cylinder head and carefully and smoothly press it so that the injectors enter the seats.
Tighten screws securing fuel rail to intake manifold to 7 Nm.
Remove air from the fuel system.
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