HOW DO I BLEED THE FUEL SYSTEM AFTER REPLACING ...

2011 Isuzu NPR

Tiny

Anonymous

December, 10, 2012 AT 8:21 PM

How do I bleed the fuel system after replacing the fuel filter cartridge. I have the bleeder open & pumping primer on top of water seperator does not seem to be doing anything.

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2 Answers

Tiny

KHLow2008

December, 10, 2012 AT 8:43 PM

Sometimes the fuel can back flow from the delivery hose and this would result in excessive air in the system and not allowing you to use the manual pump to pump the fuel back up. Remove the fule filler cap and apply low air pressure to force the fuel forward to the filter.

Tiny

KHLow2008

December, 10, 2012 AT 8:45 PM

If you are not able to do it, remove the filter, fillit up with clean diesel and reinstall, Start the engine and let it self bleed. Try keeping the throttle open slitghlty or reving it to keep engine from stalling until it stabilises.

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