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- - mystery hose (https://67-72chevytrucks.com/vboard/showthread.php?t=76720)

sactoC10

11-13-2003 10:08 PM

mystery hose

1 Attachment(s)

This is the hose that is causing me leaking oil from the top of the manifold. What the heck is it? Anyone else have one?

Tx Firefighter

11-13-2003 10:15 PM

Someone has tapped into your oil galley there. Usually there is just a square headed plug there. Some later blocks don't even have a tapped hole there at all.

Non-stock! Make it go away!

cdowns

11-13-2003 10:27 PM

looks like a setup for an oilcooler

cableguy0

11-13-2003 10:39 PM

someone added that for what i reason i have no idea but it shouldnt be there. the only thing i can think is that its a bandaid for a problem someone had

EdB	11-13-2003 10:42 PM

I could be a return line from a past by-pass filter.

EdB

oldtrucknut

11-13-2003 10:59 PM

That sure looks nasty!

sactoC10

11-13-2003 11:33 PM

so....

Can I simply remove both ends of it (see mystery hose 2 thread for second picture) and plug the holes with appropriate bolts? The smog pump was pulled from this truck and the A/C did not work, so who knows why it may be there...but I don't see it on anyone else's trucks.

Yikes, how bad is this? Someone explain to me further why it may be there...what was the benefit?

sactoC10

11-14-2003 12:21 AM

Yet it seems to run strong, I am confused.

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