Fuel Pump Replacement
Fuel Pump Replacement |
Special Tools
EN-48896 High Pressure Fuel Pump Installation Alignment GaugeFor equivalent regional tools, refer to Special Tools .
Removal Procedure |
1. |
Relieve the low and high side fuel system pressure. Refer to
Fuel Pressure Relief
.
|
2. |
Remove the high pressure fuel pump shield. Refer to
Fuel Pipe Shield Replacement
.
|
3. |
Disconnect the engine wiring harness electrical connector from the high pressure fuel pump.
|
4. |
Remove the low pressure feed pipe. Refer to
Fuel Feed Pipe Replacement
.
|
5. |
Remove the high pressure pipe. Discard the pipe. Refer to
Fuel Feed Intermediate Pipe Replacement (LF1)
.
|
6. |
Remove and discard the high pressure fuel pump bolts (1).
|
7. |
Remove the high pressure fuel pump (2).
|
8. |
Remove and discard the high pressure fuel pump O-ring (3).
|
9. |
Remove and discard the high pressure fuel pump gasket (4).
|
10. |
Remove the high pressure fuel pump roller lifter (5).
|
Installation Procedure |
1. |
Use the EN-48896 alignment gauge to ensure that the camshaft lobe is in the base circle position. At base circle the tool will be flush with the head. |
2. |
Lubricate the high pressure fuel pump cylinder head bore and roller lifter with camshaft prelube. Refer to
Adhesives, Fluids, Lubricants, and Sealers
.
|
3. |
Install the high pressure fuel pump roller lifter (5). |
4. |
Install a NEW high pressure fuel pump O-ring (3).
|
5. |
Position the NEW high pressure fuel pump gasket (4) and bolts (1) to the fuel pump.
|
6. |
Install the high pressure fuel pump (2). Force will be required while hand tightening the bolts.
|
7. |
Refer to
Fastener Caution
.
Tighten the high-pressure fuel pump's attaching bolts with 15 Nm (11 lb ft) . |
8. |
Ensure the high pressure fuel pump and fuel rail fittings are clean prior to assembly.
|
9. |
Install a NEW high pressure fuel pipe. Refer to
Fuel Feed Intermediate Pipe Replacement (LF1)
.
|
10. |
Install the fuel feed pipe to the high pressure fuel pump. Refer to
Fuel Feed Pipe Replacement
.
|
11. |
Connect the high pressure fuel pump wiring harness.
|
12. |
Install the fuel tank cap.
|
13. |
Inspect for leaks using the following procedure: |
13.1. |
Turn ON the ignition, with the engine OFF for 2 seconds.
|
13.2. |
Turn OFF the ignition, for 10 seconds.
|
13.3. |
Turn ON the ignition, with the engine OFF.
|
13.4. |
Inspect for fuel leaks.
|
14. |
Install the pressure relief cap to the fuel feed pipe.
|
15. |
Install the intake manifold. Refer to
Intake Manifold Replacement
.
|
16. |
Install the high pressure fuel pump shield. Refer to
Fuel Pipe Shield Replacement
.
|