Service Manual

Service Tools ISB, ISBe and QSB (Common Rail [...]
Page 5-2 Section 5 - Fuel System - Group 05
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Tool No. Tool Description Tool Illustration
3164618
Fuel Return Flow Hose (injector and fuel pump)
The tool uses a special fitting to connect to the fuel return circuits to
measure return flow from the injectors and fuel pump (EGR engines
only).
3164621
Lift Pump Performance Test Orifice
This tool connects to the diagnostic fitting on the inlet to the fuel filter.
It is used to measure flow from the lift pump through an orifice
without the engine running. The tool consists of a 0.043-inch orifice,
Part Number 3045018, and a Compuchek® coupling, Part Number
3376859 (EGR engines only).
3376859
Compuchek® Quick-Connect Coupling
This tool connects to the diagnostic fitting on the inlet to the fuel filter.
It is used when measuring inlet restriction when running the lift pump
and does not contain an orifice (EGR engines only).
3164583
Fuel Line Cap
This tool is used to cap a quick-connect fuel line that has been
disconnected from the engine. This prevents back-flow out of the line
(engines without EGR only).
3164617
Fuel Return Flow Hose (fuel rail pressure relief valve)
The tool uses a special banjo fitting to connect to the fuel return
circuit to measure return flow from the rail pressure relief valve.
3164025
Fuel Connector Remover
Used to remove the high-pressure fuel connector from the cylinder
head.
3823208
Torque Wrench (injector terminal nuts)
This 13 in-lb torque wrench is used to tighten the injector solenoid
terminal nuts.
3164707
Fuel Pump Drive Gear Retention Tool
Use to secure fuel pump gear drive while removing or installing drive
gear retaining nut.