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    #1

    White smoke from the back of the motor

    Hello folks,


    I once again started driving my '89 Marquis full time. Great car, wonderful ride...

    Decided to give it some "special treatment" by putting some sea foam into the gas tank yesterday. Everything was fine, until today I go to Burger King and notice white smoke coming from under the hood.

    Got home, opened the good, and it looks like a ton of white smoke coming from the back of the motor. Smells like coolant. Engine runs completely fine, I don't see smoke coming from the exhaust.

    Any suggestions what this could be? Head gasket? Blown line? Is it in any way related to me adding sea foam? Please advise... Thank you!
    1989 Mercury Grand Marquis GS
    1999 Lincoln Town Car Signature
    Tags: None
    #2
    Did you check your oil for milkiness??
    "To Find yourself, you must first lose yourself"

    -1973 Volkswagen Bus Westy
    -1986 Honda Magna 700cc
    -1989 Lincoln Town car Signature Series
    -2011 Subaru Outback

    Comment

      #3
      Under hood coming from the back of the engine, not the exhaust and the smell of antifreeze... sounds like you could have burst one of the EGR spacer coolant line. Cheap fix, but PITA job. Probably just need some generic 5/16 fuel hose to repair it.
      Vic

      ~ 1989 MGM LS Colony Park - Large Marge
      ~ 1998 MGM LS - new DD
      ~ 1991 MGM LS "The Scab"
      ~ 1991 MGM GS "The Ice Car"

      Comment

        #4
        Click image for larger version Name: uploadfromtaptalk1403644601484.jpg Views: 1 Size: 48.9 KB ID: 1274624

        Sent from my Nexus 5 using Tapatalk
        1989 Mercury Grand Marquis GS
        1999 Lincoln Town Car Signature

        Comment

          #5
          Found what's broken... It's one of the hoses going to or coming from the heater core. They go into this sensor thingy, and it has broken off there...

          What is this part called? I don't have a whole lot of meat left on it to add the hose into it...

          Click image for larger version Name: uploadfromtaptalk1403644666237.jpg Views: 1 Size: 56.8 KB ID: 1274625

          Sent from my Nexus 5 using Tapatalk
          1989 Mercury Grand Marquis GS
          1999 Lincoln Town Car Signature

          Comment

            #6
            Is it possible to get a zoomed out shot?
            "To Find yourself, you must first lose yourself"

            -1973 Volkswagen Bus Westy
            -1986 Honda Magna 700cc
            -1989 Lincoln Town car Signature Series
            -2011 Subaru Outback

            Comment

              #7
              A little hard to tell but I think that is the thermal blower lockout switch. In you heater control is there a setting that says "Auto"?
              Vic

              ~ 1989 MGM LS Colony Park - Large Marge
              ~ 1998 MGM LS - new DD
              ~ 1991 MGM LS "The Scab"
              ~ 1991 MGM GS "The Ice Car"

              Comment

                #8
                Yes, and I have an automatic temperature sensor, which I have replaced before...
                1989 Mercury Grand Marquis GS
                1999 Lincoln Town Car Signature

                Comment

                  #9
                  It is the blower lockout switch as Viccrownvic indicated.
                  03 Marauder DPB, HS, 6disk, Organizer Mods> LED's in & Out, M&Z rear control arms, Oil deflector, U-Haul Trans Pan, Blue Fuzzy Dice
                  02 SL500 Silver Arrow
                  08 TC Signature Limited, HID's Mods>06 Mustang Bullet Rims 235/55-17 Z rated BFG G-Force Comp-2 A/S Plus, Addco 1" rear Sway, Posi Carrier, Compustar Remote Start, floor liners, trunk organizer, Two part Sun Visors, B&M Trans drain Plug, Winter=05 Mustang GT rims, Nokian Hakkapeliitta R-2 235/55-17
                  12 Escape Limited V6 AWD, 225/65R17 Vredestein Quatrac Pro, Winter 235/70-16 Conti Viking Contact7 Mods>Beamtech LED headlight bulbs, Husky floor liners

                  Comment

                    #10
                    Originally posted by jaywish View Post
                    It is the blower lockout switch as Viccrownvic indicated.
                    Could I get the part number for it? Looked on RockAuto, did not seem to find the part... Thanks!
                    1989 Mercury Grand Marquis GS
                    1999 Lincoln Town Car Signature

                    Comment

                      #11
                      They call it the "Heater Valve"
                      03 Marauder DPB, HS, 6disk, Organizer Mods> LED's in & Out, M&Z rear control arms, Oil deflector, U-Haul Trans Pan, Blue Fuzzy Dice
                      02 SL500 Silver Arrow
                      08 TC Signature Limited, HID's Mods>06 Mustang Bullet Rims 235/55-17 Z rated BFG G-Force Comp-2 A/S Plus, Addco 1" rear Sway, Posi Carrier, Compustar Remote Start, floor liners, trunk organizer, Two part Sun Visors, B&M Trans drain Plug, Winter=05 Mustang GT rims, Nokian Hakkapeliitta R-2 235/55-17
                      12 Escape Limited V6 AWD, 225/65R17 Vredestein Quatrac Pro, Winter 235/70-16 Conti Viking Contact7 Mods>Beamtech LED headlight bulbs, Husky floor liners

                      Comment

                        #12
                        I'd be inclined to just buy generic heater hose of a longer length and ignore it entirely.

                        85 4 door 351 Civi Crown Victoria - Summer daily driver, sleeper in the making, and wildly inappropriate autocross machine
                        160KMs 600cfm holley, shorty headers, 2.5" catted exhaust, 255/295 tires, cop shocks, cop swaybars, underdrive pulley, 2.73L gears.
                        waiting for install: 3.27's, Poly bushings, boxed rear arms, 2500 stall converter, ported e7's, etc

                        06 Mazda 3 hatch 2.3L 5AT (winter beater that cost more than my summer car)

                        Comment

                          #13
                          That is an option that numerous people select.

                          What it does with ATC, is control the heat in cold weather. If you have the selector on "floor" it shuts off the blower until the water temp is warm. This means you get in the car and the engine is cold the car does not blow cold air into the cabin. Then the heat comes on automatically as soon as the water is "warm" or at least not cold. Certainly this is not a critical function but one of those nice little things the car was equipped to do.
                          03 Marauder DPB, HS, 6disk, Organizer Mods> LED's in & Out, M&Z rear control arms, Oil deflector, U-Haul Trans Pan, Blue Fuzzy Dice
                          02 SL500 Silver Arrow
                          08 TC Signature Limited, HID's Mods>06 Mustang Bullet Rims 235/55-17 Z rated BFG G-Force Comp-2 A/S Plus, Addco 1" rear Sway, Posi Carrier, Compustar Remote Start, floor liners, trunk organizer, Two part Sun Visors, B&M Trans drain Plug, Winter=05 Mustang GT rims, Nokian Hakkapeliitta R-2 235/55-17
                          12 Escape Limited V6 AWD, 225/65R17 Vredestein Quatrac Pro, Winter 235/70-16 Conti Viking Contact7 Mods>Beamtech LED headlight bulbs, Husky floor liners

                          Comment

                            #14
                            Its the thermal blower lockout. I'd replace the hose with one that doesn't have the TBL and just eliminate it. Connect the electrical wires together, plug the vacuum lines. Its a neat feature, but they are problematic at best an the new ones are of rather shoddy quality. I got 3 whole days out of one before it exploded and caused the engine to severely overheat from coolant loss. I've had the plastic connector in there for probably 5 years now without any trouble.
                            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

                            Everything looks like voodoo if you don't understand how it works

                            Comment

                              #15
                              Looks like about $23 + shipping from Rockauto, $24 at AZ. I think I paid $15 for the one I bought more than a year ago and never installed. If I can find it and you want it for $15 I can run it over to you if you're still in Rochester Hills. I dont actually need it. I'm pretty sure it's somewhere in the trunk of my car but I'm not 100% sure where I stashed it.
                              Vic

                              ~ 1989 MGM LS Colony Park - Large Marge
                              ~ 1998 MGM LS - new DD
                              ~ 1991 MGM LS "The Scab"
                              ~ 1991 MGM GS "The Ice Car"

                              Comment

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