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Old 06-03-2012, 08:34 PM   #1 (permalink)
ajp
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Duramax fuel filter won't quit draining

On an 06 Savana Cutaway with a Duramax, has anyone else had a problem trying to drain the fuel filter?

I drained the metal one with no problem. But, the plastic one kept draining, and draining, and draining, and... is there a fuel shutoff, or what is the trick?

On my Dodge Cummins, I loose maybe a pint of fuel, then I can open the filter housing. But the Duramax acts like the drain is siphoning fuel in while it's draining out the bottom.

A little help would be appreciated.
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Old 06-03-2012, 10:07 PM   #2 (permalink)
ShopSpecialties
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I have never drained mine just spin off the old and on with the new.
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Old 06-03-2012, 10:10 PM   #3 (permalink)
ajp
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So, you just have to catch what's left in the bowl that the filter is in? And that's all the fuel that you loose?
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Old 06-03-2012, 10:17 PM   #4 (permalink)
ShopSpecialties
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Sometimes a little more comes out but I always have everything ready so there is no screwing around.
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2006 Chevy Express 1 Ton Ext Duramax, EFILive. Edge Insight CTS. Hella Headlamps. Throttle Down Kustoms Bumper.TCI Deep Pan. Fumoto valve. Diamond Eye 4" Turbo Back Exhaust BYE BYE Kitty and Ruffler. B&M Supercooler. AEM dry filter with custom air intake made by yours truly. PCV Re-Route. Diamond Eye turbo direct pipe. Kennedy lift pump. EGR valve and cooler delete. Derale 26" dual pass fuel cooler. Trex-Tech Up pipes. Batmowheel. Turbo Performance Products turbo sock.

Thank you:

Chad @ Alligator Performance
Jeremy @ Throttle Down Kustoms

I am here to help 24/7 and if anybody has a issue with me I am also here 24/7 to resolve anything. Please feel free to pm, call, fax, email, anytime with any questions what so ever .
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Old 06-04-2012, 01:09 AM   #5 (permalink)
PiperOne
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Do it with less than half a tank, and you can also put some kitchen wrap on the fuel cap, and screw it back in (tank won't vent then)...just remember to take it back off. If you fuel tank is full...it will continue to siphon out once the filter bowl is loose, it seems to be worse on the cutaways.

Its a lot cleaner than having fuel splashing all over while you install a new primary filter. Good Luck.

Last edited by PiperOne; 06-04-2012 at 01:11 AM.
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Old 06-05-2012, 11:34 PM   #6 (permalink)
ajp
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It's worth a try.
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Old 06-09-2012, 12:39 PM   #7 (permalink)
turboawd
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i just changed my filters with an almost full tank. i definetly had more fuel spillage than with a partial tank of fuel. and opening the drain just creates a siphoning effect, and drains more.
best to just take out the filter quick, to break the siphoning effect.
and also, do one filter at a time(i prefilled new filters too), and prime in between, to prevent a major air lock from occuring, which has happened to me before, and required a lot of priming and cranking to get the air out.
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