Challenger V8-5.7L (2010)
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.
2. Disconnect the frame rail fuel supply line connector between the fuel supply line and the fuel rail.
3. Install the appropriate Fuel Line Adapters / Fitting from Gas and Diesel Fuel Pressure/Decay Tester 8978A.
Proceed
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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 Gas and Diesel Fuel Pressure/Decay Tester 8978A, Fuel Inlet Hose (1) and Fuel Outlet Hose (2) to the Fuel Line Adapters / Fitting.
2. Connect Drain Extension Hose 535680 (3) to the Fuel Pressure Gauge Assembly Drain Hose (5).
3. Connect the Reservoir Assembly 534960 (4) to the Drain Extension Hose 535680 (3).
WARNING: To reduce the risk of fire and serious 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.
Proceed
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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.
1. Perform the following procedure to purge air from the system:
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Open the Fuel System Isolation Valve (1).
