Liberty 4WD V6-3.7L (2009)
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3. INSTALL FUEL PRESSURE GAUGE ASSEMBLY
WARNING: The fuel system is under a constant pressure (even with the engine off). Before testing or servicing any fuel system hose, fitting, or
line, the fuel system pressure must be released. Failure to follow these instructions can result in possible serious or fatal injury.
1. Connect Fuel Pressure Gauge Assembly 8978A-1 Fuel Inlet Hose (1) and Fuel Outlet Hose (2) to the Fuel Line Adapters / Fitting.
2. Connect special tool Drain Extension Hose 535680 (3) to the Fuel Pressure Gauge Assembly Drain Hose (5).
3. Connect Reservoir Assembly 534960 (4) to Drain Extension Hose 535680 (3).
WARNING: To reduce the risk of fire and possible serious or fatal injury, place Reservoir Assembly 534960 (4) on the floor and out of the way
so that it is not a trip hazard.
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4. CHECK FUEL PRESSURE
WARNING: The fuel system is under a constant pressure (even with the engine off). Before testing or servicing any fuel system hose, fitting, or
line, the fuel system pressure must be released. Failure to follow these instructions can result in possible serious or fatal injury.
Perform the following procedure to purge air from the system:
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Open the Fuel System Isolation Valve (1).
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Close the Flow Test Valve (2).
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Ignition on, engine not running.
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With the scan tool, actuate the fuel pump.
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Open the Flow Test Valve (1) for 10 seconds, then close the Valve.
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CAUTION: Stop All Actuations.
