Prime Fuel System Before Cranking Freightliner

The only time is when I disconnect the Fuel Pump Actuator. Stand the pressure tester on a level spot such as the frame rail. Pump fuel through the fuel line via the manual pump to prime a fuel system. Crank the engine for 15 seconds. With only the single fuel filter and NO primer pump supplied on some Freightliner chassis the filter clogs much more quickly than on two filter installations and when they need replacement priming the system is MUCH more difficult than on systems with a primer pump. You need to call freightliner for the parts. Crank the starter to expel any remaining air in the fuel system.

The pressure tester must be level to indicate correctly.

For a very reasonable amount of money this can be permenantly addressed. Then replaced the fuel filter and the fuelwater separator and started the prime procedure. Too many attempts to start the engine could drain the battery. You might want to put a shut off valve on the hydraulic line. The fuel system has been replaced with the injectors due to metal in the fuel system. Crank the engine for 30 seconds.

How To Prime Fuel System On Freightliner Cascadia Purge Fuel System On Freightliner After Oil Change Youtube

Prime fuel system before cranking freightliner. Was the filter just changed before this happened if so check your bottom o rings on filter. You might want to put a shut off valve on the hydraulic line. Key on off it activates the relays other electric pump components each time you turn it on and off.

Once the engine starts allow it to idle for at least one minute or until idle is smooth before applying the throttle. For a very reasonable amount of money this can be permenantly addressed. A failed EGR valve.

Fuel should being coming out Right. Check the fuel filter housing for leaks. This will fill the fuel filter and the fuel lines with fuel.

I wouldnt really worry about any damage to the engine from these codes. What does it mean to Prime fuel system. The customer said he spent 8000.

Got a question on a DD15 in a Freightliner 2010 model. You may use the hand priming pump for the fuel filter if equipped instead of cranking the engine. Then replaced the fuel filter and the fuelwater separator and started the prime procedure.

Before cranking the engine again wait at least two minutes. If the pressure drops then the pump has to prime the system to bring the pressure high enough to start and run the engine. It now will not start.

The only time is when I disconnect the Fuel Pump Actuator. The fuel system has been replaced with the injectors due to metal in the fuel system.

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If you have the software check your low pressure fuel reading at crank.

You may use the hand priming pump for the fuel filter if equipped instead of cranking the engine. Im thinking it has an electric fuel pump in the fuel tank to send the fuel to the injector pump by turning the ign. When the hand primer remains hard to depress after cranking reconnect injector harness to valve cover. For a very reasonable amount of money this can be permenantly addressed. The engine should start within four 30-second attempts. I have replaced the supply line from the tank to the pump. I have used the Cummins priming procedure bump starter allow fuel recirculation pump to run for 30 sec. Did this 5 times still no start. It was performed by another shop.

2005 mountain aire I S L Cummings 400 Horse. This causes a vehicle to have problems starting forcing you to prime. You may use the hand priming pump for the fuel filter if equipped instead of cranking the engine. Do not crank the starter for more than 30 seconds at a time to keep from damaging the starter. 2 11-28-2017 1003 PM. Once you do get it to starttakes an hour sometimes with coaxing itll run like a top and wont cause fuel issues until the next time you service the filters. Allow the starter motor to cool for two minutes.