Old man with MJ Posted February 19, 2012 Share Posted February 19, 2012 It runs from under the intake to the side of the airbox on my 88Pioneer package,4.0L,5spd.Is this hose available,looks like heater hose material. Thanks Link to comment Share on other sites More sharing options...
Automan2164 Posted February 19, 2012 Share Posted February 19, 2012 It's to bring warm header air up to the airbox. Rob Link to comment Share on other sites More sharing options...
Old man with MJ Posted February 19, 2012 Author Share Posted February 19, 2012 Is this hose available,Jeep doesn't still use it do they,or what is a good substitute? Link to comment Share on other sites More sharing options...
Automan2164 Posted February 19, 2012 Share Posted February 19, 2012 I honestly don't think I have ever replaced it once I tore it off getting to something. I would imagine you could just size match something and make it work though. Rob Link to comment Share on other sites More sharing options...
MJRemi Posted February 19, 2012 Share Posted February 19, 2012 It's 2" wire flex hose and auto parts stores carry it. It comes in 3 ft (max extension) length and made of aluminum. In CA I have to have it in place to visually pass the smog requirements even though it never gets cold here and is completely unnecessary. Link to comment Share on other sites More sharing options...
ParadiseMJ Posted February 20, 2012 Share Posted February 20, 2012 It's 2" wire flex hose and auto parts stores carry it. It comes in 3 ft (max extension) length and made of aluminum. In CA I have to have it in place to visually pass the smog requirements even though it never gets cold here and is completely unnecessary. I'll agree on the "completely unecessary" part. I've never been tagged on the visual inspection part. It's a poor design and a flimsy a$$ hose with minimal benefit. I tore mine out on both XJ and MJ. You'd think that they'd eliminate it altogether...wait...they did... starting in 1991. Link to comment Share on other sites More sharing options...
Old man with MJ Posted February 20, 2012 Author Share Posted February 20, 2012 Thanks for the info,I agree it runs fine without it,mine just deteriorated and i poked a hole in it with my thumb,will check auto parts stores. Thanks again. Link to comment Share on other sites More sharing options...
deziped Posted February 20, 2012 Share Posted February 20, 2012 On carb equipped vehicles (old days) these were essential on some vehicles. I had chevv/ford/buicks that would freeze the carbs in winter under cold conditions with just the right amount of moisture in the air. If I didn't have the hose on and it was 35* or under the carb would freeze to the point fuel quit flowing. Had to stop and let it idle till things thawed out and away you go again. By blocking of the air flow through the radiator and running a little hotter you could overcome this. Were nights when I had to stop 2 or 3 times between Pueblo and CSpngs and wait for it to thaw. Finally would just throw a large piece of cardboard in front of the radiator and they were good to go for the winter season. Link to comment Share on other sites More sharing options...
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