Question about 2001 Chevrolet Silverado 2500HD

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Priming fuel system on a 8.1L diesel engine 2001chev 1 ton dual

We changed the fuel filter and truck won't start now. Is there a priming pump and if so, where is it located?

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  • henrypapbear May 05, 2009

    I changed the fule filter on my 2006 duramax 6.6 2500HD engine i made sure the fillter was full of fule when i replaced it and i bled it with the bleeding valve that's right above the filter but my truck doent start

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Well, one problem is, if its an 8.1, its not a diesel. The 8.1, or Vortec 8100, is a gas engine. The DuraMax is a 6.6 engine. There is usually not a priming system on a gas engine, because the fuel pumps will usually get it through the smaller filters used quick enough you dont need them. However, if it is a DuraMax engine, then right on top of the fitting where you mount your diesel filter, there is a primer pump and an air bleed valve. What you do is, open up that air bleed valve ( its a little black plastic octagon shaped thing on the top of the filter mount) then you pump the primer (the silver button looking thing) until you get diesel squiting out the air vent without too many air bubbles or gurgles.

Posted on Jan 23, 2009

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