Here is the instruction show you guide on how to use DDDL diagnostic software perform FIS low press leak test for Detroit GHG17 heavy duty machine.
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2024 Detroit Diesel Diagnostic Link DDDL 8.19 8.09 Free Download
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NEXIQ USB Link Adapter
What you need?
1 DDDL 8.19 Diagnostic Software
2 Air Pressure Test Kit, Fuel System
Fuel System Tool Update Kit without an MCM (Motor Control Module) cooler
Note:Please review 13 TL-11REV to ensure changes to essential tool J-48710 have been made to improve the accuracy of detecting low pressure fuel system leaks.
Test as follows:
1 With the engine OFF, apply the parking brake, chock the wheels and perform any other applicable safety steps.
2 Remove the fuel tank fill caps.
3 Remove the fuel feed line from the fuel filter module.
4 Install J-48710 tool (1) on to the fuel filter module.
5 Connect an air supply to J-48710 tool.
6 Pressurize the fuel system to 517 kPa (75 psi) for six minutes.
7 Close the ball valve on J-48710 tool.
8 Wait two minutes.
9 Remove the return line from the fuel filter module and install J-48710 cap tool (1) on the fuel filter module return line fitting.
10 Install the fuel tank fill caps.
11 Ignition ON, engine OFF, connect to the MCM using DiagnosticLink.
12 Click the
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