Fuel Common Rail Replace
Important: Do not allow smoking or the use of open flames in the area where work on the fuel system is taking place. Anytime work is being done on the fuel system, disconnect the negative battery cable, except for those tests where battery voltage is required.
Remove
- Disconnect the negative battery cable.
- Disconnect the common rail pressure sensor connector.
- Disconnect the common rail regulator connector.
- Disconnect the common rail return hose.
- Remove the engine wiring guide from the intake manifold.
- Remove the high pressure fuel pipes. Refer to High Pressure Fuel Feeding Pipes Replace .
- Remove the common rail assembly.
Note: Put a cap on the injection pump pipe connector to avoid contamination from dust as soon as the fuel pipes are removed. A little dust may clog the injectors.
Install
Important: It is not possible to reuse the fuel pipes. If reused, the contaminated pipes may damage the injectors or leak from the pipes.
Important: Do not blow air using an air gun onto pipe connectors of the injectors, the injection pump and the common rail pipe threads. If contaminated, wipe clean with an oilpaper.
Important: Do not wipe clean with a towel onto the pipes connectors of the injectors, the injection pump and the common rail pipe threads. If contaminated, wipe clean with an oilpaper.
- Install the common rail assembly.
Tighten
Tighten the common rail retaining bolts to 25 N•m (18.4 lb-in).
- Install the fuel pipes to the common rail. Refer to High Pressure Fuel Feeding Pipes Replace .
- Connect the common rail pressure sensor connector.
- Connect the common rail regulator connector.
- Do work the fuel priming. Refer to Fuel Priming .