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1996 Marquis Coolant leak

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    #1

    1996 Marquis Coolant leak

    High 318XXX mileage engine all original.

    Just did the water pump, t-stat, reservoir tank, fan clutch, idler, serpentine, and a couple other misc parts....

    I looked today to just to do preventative maintenance and found were the tstat housing meets the intake it has begun to weep, I didn't even notice it on the reservoir tank

    The leak is more of a dribble than a full on leak....

    I did notice that when replacing the tstat that one of the silver washers that go on the housing were missing...NOW could this be the issue, It wasn't leaking before though...

    If you need picks let me know.


    Thank you,

    P.S. This car has done allot more for me, so I want to do something for it.

    Thanks again
    Tags: None
    #2
    Pics would help for someone like me who doesn't know the year-to-year variations very well. They would also help if non-stock parts were being used.

    If yours is the o-ring type, I'd be guessing the o-ring wasn't seated properly. If the silver washer you're talking about is one of the spacers for a housing that has big bolt holes, not having that could result in the housing not being aligned properly and not being properly seated on the o-ring. If you mean the washer that's under the bolt head, I wouldn't think that would make a huge difference, but I could be wrong.

    2000 Grand Marquis LS HPP, a hand-me-down in 2008 with 128,000 km; 175,000 km as of July 2014
    mods: air filter box 'tuba', headlight relay harness, J-mod (around 186,350 km), 70mm throttle body, KYB Gas-A-Just shocks, aluminum driveshaft, ARA3 PCM

    Comment

      #3
      Originally posted by IPreferDIY View Post
      Pics would help for someone like me who doesn't know the year-to-year variations very well. They would also help if non-stock parts were being used.

      If yours is the o-ring type, I'd be guessing the o-ring wasn't seated properly. If the silver washer you're talking about is one of the spacers for a housing that has big bolt holes, not having that could result in the housing not being aligned properly and not being properly seated on the o-ring. If you mean the washer that's under the bolt head, I wouldn't think that would make a huge difference, but I could be wrong.

      I will go get picks asap, Im working three about to start 4 jobs now so my time management is kinda bad...

      Comment

        #4
        Pics[ATTACH=CONFIG]42769[/ATTACH][ATTACH=CONFIG]42770[/ATTACH][ATTACH=CONFIG]42771[/ATTACH][ATTACH=CONFIG]42772[/ATTACH][ATTACH=CONFIG]42773[/ATTACH][ATTACH=CONFIG]42774[/ATTACH]

        Comment

          #5
          probably just needs a new o-ring for the thermostat. Torque spec on those bolts should be 15-17 ft-lbs The o-ring is not the same as the rubber ring supplied with a new thermostat just so you know.

          Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
          rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

          Originally posted by gadget73
          ... and it should all work like magic and unicorns and stuff.

          Originally posted by dmccaig
          Overhead, some poor bastards are flying in airplanes.

          Comment

            #6
            You pointed at it with the wrong finger
            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

            Comment

              #7
              Originally posted by sly View Post
              probably just needs a new o-ring for the thermostat. Torque spec on those bolts should be 15-17 ft-lbs The o-ring is not the same as the rubber ring supplied with a new thermostat just so you know.
              Its seems to have stopped or just started to trickle...BUT what do you mean by that above sentence...? The O ring?

              Comment

                #8
                These don't use a gasket to seal the thermostat housing, but a large o-ring. The thermostat drops in and then the o-ring on top. If the seal that comes with the thermostats was used it will leak because they are made to fit around the thermostat and not on top of it like this setup.

                Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
                rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

                Originally posted by gadget73
                ... and it should all work like magic and unicorns and stuff.

                Originally posted by dmccaig
                Overhead, some poor bastards are flying in airplanes.

                Comment

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