01-25
ENGINE GENERAL
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Disconnect the negative battery cable.
For safety reasons: check pressure is low before opening the HP systems (pipes)
Follow the job procedures. If you find a defective component, replace it with new one.
6.
Use special tools and torque wrench to perform the correct works.
Once disconnected, the fuel pipes between HP pump and fuel rail and between fuel
rail and each injector should be replaced with new ones. The pipes should be
tightened tospecified tightening torques during installation. Over or under torques out
of specified range may cause damages and leaks at connections. Once installed, the
pipes have been deformed according to the force during installtion, therefore they
are not reusable.
The copper washer on injector should be replaced with new one. The injector holder
bolt should be tightened to specified tightening torque as well. If not, the injection
point may be deviated from correct position, and it may cause engine disorder.
Plug the disconnected parts with sealing caps, and remove the caps immediately
before replacing the components.