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ZF6 6.0 late 2004 build SCLB 4x4 in the floor base model
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Does anyone know the purpose of this hose on the stock air intake snorkel? It just goes to the radiator support, with seemingly no purpose, not hooked up to anything but the intake.





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99 & 00, F350s, manual and auto, Ext & Crew Cab, 4x2 & 4x4, need more room!
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What bismic1's link says:

Yep, it's just an auxiliary intake. I think that the large opening can get clogged in a heavy snow event, (Seriously, that's what I've been told) and the little hose is routed to where it can't get as clogged to keep you getting some air. They both feed the same face of the filter...


So, Cincinnati may have that issue. I don't have to worry about it where I'm at, unless I travel the Sierras in winter, and I tend not to do that when the weather is ugly. Can't say never, but snow and very steep grades are just not enjoyable in whiteout conditions.
 
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