kbusch18 Posted January 2, 2013 Share Posted January 2, 2013 Just wondering, obviously I don't know the proper name for the vacuum line on the back side o the valve cover, but my question that needs to be hooked up correct. The guy at the garage was fixing a totally different problem and lobbed off that line stating it isn't needed, now I just have an open hose there, he is mistaken correct? It is the open system no pressurized tank for coolant Link to comment Share on other sites More sharing options...
skidoo_j Posted January 2, 2013 Share Posted January 2, 2013 Well what's most important is that it is connected to a filter so crap doesn't get drawn into your valves. I'm assuming your talking about the hose that's about 1/2" in diameter that connected back to your air intake. You should just go get some 1/2" or 5/8" vacuum hose, or radiator hose pending whats available, and reconnect it. If you don't want to connect it you need to cap the one at the intake because it's after the air filter. and then get one of those little k&n style filters and attach it at the valve cover. I personally think it should be connected but have seen a few with the filter, I'm unsure as to any running issues using the filter at the valve cover. Link to comment Share on other sites More sharing options...
kbusch18 Posted January 2, 2013 Author Share Posted January 2, 2013 No it's the rear vacuum, small hose like 3/16 Link to comment Share on other sites More sharing options...
skidoo_j Posted January 2, 2013 Share Posted January 2, 2013 I'd replace it. with either some vacuum hose or the actual part. make sure you cap it if you don't as it will cause your idle to be very high if you just leave the hose broken. Napa part BK 7151365 http://www.napaonline.com/Catalog/CatalogItemDetail.aspx?R=BK_7151365_0066877628 Link to comment Share on other sites More sharing options...
kbusch18 Posted January 2, 2013 Author Share Posted January 2, 2013 Thanks boss man, was the mechanic confused or does the breather valve sometimes located in the rear Link to comment Share on other sites More sharing options...
ParadiseMJ Posted January 3, 2013 Share Posted January 3, 2013 CCV to intake MANIFOLD The part is sold at NAPA. Has a 26mm metered orofice. Just jamming a hose in there is wrong. It's not just a breather valve. If you have the part that goes IN the VC you might be able to repair the hose, but don't count on it. Find a new mechanic...this guy is not a Jeep mechanic. Link to comment Share on other sites More sharing options...
Eagle Posted January 3, 2013 Share Posted January 3, 2013 Thanks boss man, was the mechanic confused or does the breather valve sometimes located in the rear Your mechanic is an idiot. That hose is ESSENTIAL. That's the vacuum for the crankcase ventilation system. It MUST be connected to a vacuum port on the throttle body or intake manifold. What the [bleep] kind of "mechanic" just goes around lopping off hoses the factory put there "because you don't need it"? Why does he think the factory put it there, because they had nothing better to do with eighteen inches of small diameter tubing? Link to comment Share on other sites More sharing options...
cruiser54 Posted January 3, 2013 Share Posted January 3, 2013 Renix Vacuum Harnesses The vacuum harness that attaches to the front of the valve cover and includes the grommet/fitting, and is called the front harness, is Napa part number BK 715-1367 http://www.napaonline.com/Catalog/CatalogItemDetail.aspx?R=BK_7151367_0269070623 The vacuum harness that is closest to the air cleaner, EGR etc, and is called the rear harness, is Napa part number BK-715-1366. http://www.napaonline.com/Catalog/CatalogItemDetail.aspx?R=BK_7151366_0269070622 The tube from the rear of the valve cover to the intake manifold is part number 715-1365. http://www.napaonline.com/Catalog/CatalogItemDetail.aspx?R=BK_7151365_0066877355 Revised 09-11-2012 Link to comment Share on other sites More sharing options...
skidoo_j Posted June 16, 2013 Share Posted June 16, 2013 Cruiser54 since you're handing out part numbers how about a part number for the hose that goes into the throttle body to the MAP. I've not been able to locate one yet. Link to comment Share on other sites More sharing options...
cruiser54 Posted June 16, 2013 Share Posted June 16, 2013 Cruiser54 since you're handing out part numbers how about a part number for the hose that goes into the throttle body to the MAP. I've not been able to locate one yet. Dealer only. Don't have the number. Napa doesn't have it or I woulda included it in the first post. I did something totally different on my 4.0s anyway. Never liked that funky fitting at the TB. Moved my IATs to the air box. Tapped and plugged the hole in the TB. Threaded a vacuum nipple into the open IAT hole in the intake manifold. Took some plastic pipe left over from changing vacuum harnesses and bent it after heating it with a hair drier so it was routed properly. That said, and being a complicated solution, you can get the plastic line out of the funky fitting. It's only glued in and the glue isn't wirth a hoot now anyway. Remember this though. No matter what you do, make sure that vacuum line, and hard plastic is preferred, cascades down to the vacuum source with no low spots. Link to comment Share on other sites More sharing options...
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