Dodge cummins cascade overflow valve location. The Cascade Overflow Valve has three functions: - regulation of lubrication fuel to the internal moving parts of the high-pressure pump - regulation of the fuel pressure being supplied to the Fuel Control Actuator solenoid valve - return excess fuel to the fuel tank Regulate fuel pressure to fuel control actuator, regulate lubrication fuel to the high-pressure pump and returns excess fuel to the fuel tank. Dec 9, 2009 · DESCRIPTION The COV is located on the front cover of the high pressure pump. The valve has no internal serviceable parts and must be replaced as an assembly. Look at the injection pump you will see two lines attached with banjo bolts, look at the line closest to the front of the truck. The Cascade Overflow Valve can be found on the injection pump. Dec 12, 2015 · To test the PRV disconnect the banjo on the top of it and bad the end or make sure what comes out goes in a container. . Mar 23, 2015 · Spoke to Todd and he explained that it is as straight as it seems, in addition he mentioned that the COV rarely fails and when it does the symptoms are that the engine will run and shut down shortly after starting it. Oct 31, 2021 · The overflow valve (pressure relief valve) is located at the outside of fuel injection pump. Using carb or brake cleaner, clean and dry the PRV well and blow it dry with air. It looks like a tall headed grey bolt and and serves as a safety to vent off excessive pressure and fuel spikes. It connects the fuel return line (banjo fitting) to the pump. Homestead, FL. Start the truck at operating temp and idle up to 1000 rpms then disconnect the FCA for 30 seconds. Dec 18, 2021 · Never heard it discussed in the NCV3 forum before, but there is a high pressure relief valve (aka cascade valve) located on the high pressure pump near the quantity control valve. dcyi xjgswm qku ukz rldr rparp cbfglmqd elab wuhqcdo acltfobv