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    #1

    Anyone figure this one out.

    I took these pics a while back when I got my Towncar. I noticed this mess while I was under the hood one day. The plastic tube that goes from the oil filler neck to the top of the throttle body has been messed with, and the previous owner ran plugged up the fitting on the TB and ran the tube over to beside the brake booster, then its T'd into another line, and, I just dunno. Anyone got any opinions on why this was done or what the previous owner was thinking. The car was almost exclusively maintained by a dealership.



    sigpicVic Videos Here http://www.grandmarq.net/vb/showthre...676#post243676
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    1975 Chevy C-10 Cardomain http://www.cardomain.com/ride/3371894
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    #2
    good question I can see that it's t'd into the cruise control.

    1989 mercury grand marquis gs / 2014 ford focus s daily driver
    302 lopo with ho upper/ aod with trans go shift kit
    k code 3:55 posi rear/big brake swap tow package car

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      #3
      looks to me like they diverted oil getting into the tb by making oil go somewhere else its not supposed to.. other than that i dont see it serving any other specific purpose.

      who knows
      Give a man a fish and he will be fed for a day. Teach a man to fish and he will promptly forget that he once did not know, and proceed to call anyone who asks, a n00b and flame them on the boards for being stupid.

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        #4
        It kills the cruise control. That's a one way diaphragm on there. When you press the brake the brake booster uses the vacuum and at that point the cruise has higher vacuum so it gets transfered over to the brake booster and cruise dies. The cruise module is also suppose to shut the cruise off directly, so that junction in theory is just a backup.

        Comment

          #5
          The cruise still works though. I had this car on the highway a few times and used it then.
          sigpicVic Videos Here http://www.grandmarq.net/vb/showthre...676#post243676
          Vic's Reader's Rides Page http://www.grandmarq.net/vb/showthread.php?t=16917
          Vic's Cardomain page http://www.cardomain.com/ride/2532949
          1975 Chevy C-10 Cardomain http://www.cardomain.com/ride/3371894

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            #6
            hes saying its a safty for the cruise when you hit the brake it will disengage just incase, like he said a back up.

            1981 Mercury Marquis Brougham 2-Door 302/ 5-speed -special blend (GMGT)
            1987 Lincoln Mark VII 5-speed (Errand runner)
            1989 Mercury Grand Marquis (Base Runner)
            2007 Lincoln Town Car Signature Limited (Hustlyn)
            2011 Ford Crown Victoria Police Interceptor (Down with O.P.P)

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              #7
              I dont like that one bit...!!!
              Why the heck would the oil neck get tied into the cruise and or manifold vacuum... I want to know where the red stripe hose is going
              Pete ::::>>> resident LED addict and CFI defector LED bulb replacements
              'LTD HPP' 85 Vic (my rusty baby) '06 Honda Reflex 250cc 'Baileys' 91 Vic (faded cream puff) ClifFord 'ODB' 88 P72 (SOLD) '77 LTDII (RIP)
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              85HPP's most noteworthy mods: CFI to SEFI conversion w/HO upperstuff headers & flowmasters P71 airbox Towncar seats LED dash light-show center console w/5 gauge package LED 3rd brake light 3G alternator mini starter washer/coolant bottle upgrade Towncar power trunk pull underhood fuse/relay box 16" HPP wheels - police swaybars w/poly rubbers - budget Alpine driven 10 speaker stereo

              Comment

                #8
                Originally posted by 85crownHPP* View Post
                I dont like that one bit...!!!
                Why the heck would the oil neck get tied into the cruise and or manifold vacuum... I want to know where the red stripe hose is going
                yea i still dont get it either. looks pretty pointless to me.
                Give a man a fish and he will be fed for a day. Teach a man to fish and he will promptly forget that he once did not know, and proceed to call anyone who asks, a n00b and flame them on the boards for being stupid.

                Comment

                  #9
                  All that will do is pull an extreme vacuum in the crankcase if its connected to the valve cover like I think you're describing it to be. The way the PCV system is supposed to work, vacuum is pulled through the valve at the back of the intake. Its supposed to take in fresh air from the throttle body through that tube to the valve cover. The way it is now, you've got vacuum at the pcv valve, and full manifold vacuum at the valve cover. The PCV valve acts as a crude regulator, its not supposed to deliver full manifold vacuum to the crancase. Its going to suck air from somewhere, so any blowby, or any leaky gaskets will pull air. If you move that back to where it belongs, don't be too surprised if you see some new oil leaks. Should also get a smidge more fuel economy since it won't be leaking vacuum.
                  Last edited by gadget73; 12-17-2007, 10:53 PM.
                  86 Lincoln Town Car (Galactica).
                  5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

                  91 Lincoln Mark VII LSC grandpa spec white and cranberry

                  1984 Lincoln Continental TurboDiesel - rolls coal

                  Originally posted by phayzer5
                  I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

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