Removal and installation
1. Remove the intake manifold.
2. Disconnect the fuel supply and return pipes from the high pressure fuel pump (the arrows indicate the bolts for fastening the pipes).
3. Remove the top chain and sprockets.
4. Through the hole in the lower sprocket, unscrew the bolts (1) securing the front part of the fuel pump.
5. Unscrew the bolts (indicated by arrows) and remove the mounting bracket from the rear of the fuel pump.
6. Remove the fuel pump together with the sealing ring (indicated by the arrow).
7. Before installation, check that the guard in the sprocket projection of the fuel pump is aligned with the hole in the pump body, and check that the camshaft and crankshaft are set to the position corresponding to the top dead center of the first cylinder in the compression stroke.
8. Install a new O-ring onto the fuel pump.
9. Install the fuel pump by aligning the lower chain sprocket with the pump boss and secure the pump with bolts. Install the rear fuel pump bracket and secure with bolts.
10. Install the top chain and sprockets.
11. Screw the fuel lines to the fuel pump.
12. Install the intake manifold.
13. Connect the battery, start the engine and check the fuel system for leaks.
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