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    #1

    Almost zero heat..

    Sometimes it won't be at all warm, other times slightly warm. either way it gets cold here in PA... and if i can't figure this out, the car will have a for sale sign on it .. lol

    89 Marquis, not automatic temp. checked cable for temp selector, is not broke, and coolant is full. has new radiator and all new gaskets and thermostat in engine. no leaks anywhere. any ideas?
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    #2
    Heater door issue???


    "Hope and dignity are two things NO ONE can take away from you - you have to relinquish them on your own" Miamibob

    "NEVER trade your passion for glory"!! Sal "the Bard" (Dear Old Dad!)

    "Cars are for driving - PERIOD! I DON'T TEXT, TWEET OR TWERK!!!!"

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      #3
      Clogged heater core? Try flushing the heater core.
      Vic

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

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        #4
        whats normal amount of time for heat in these cars. my girls 01 Altima has heat withing about 10 - 15 minutes.. my car has to sit and idle for about 30 minutes before any kind of lite heat...

        Comment

          #5
          Seconded, try flushing the heater core, backflushing the heater core, re-flushing the heater core, re-backflushing the heater core.

          Took my mechanic at least six cycles to get the thing decently clear of chunky black nasty shit on my silver '91, but at least I have heat now!
          ,
          Slicktop '91 GS HO 4.30 rear. '82 Mark VI Tudor HO, '90 F-150 XLT, '62 project Heep, '89 Arizona Waggin' and '88 donor in PA, getting combined.

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            #6
            before i do all that, i'll just change the dang core. lol so i'll mark that down on the list of things to do..

            Comment

              #7
              If you have a new radiator I assume the cooling system was flushed? If so simply flushing the heater core, even multiple flushes, would be less work than replacing the heater core.
              When replaced the core on my 91 it seemed much easier than I remember the job being on 89 and older cars. If I had to do it again on my 91 I could probably do it in 2 hours or less.
              Most labor time manuals quote it to be a 6-8 hour job, from what I'm told, for an 89 and older car.

              Then again you likely have the original heater core which would be enough reason for some people to change it before it develops a leak.

              On my 91 I could drive 10-20 miles with the heat off, then switch the heat on and I would initially get a hot blast of air that would quickly go cold.
              Since the core, I guess, was only mostly clogged the amount of area getting hot was not enough to keep up with the air that the blower motor was blowing through it. So driving with the heat off for a bit gave the small unclogged portion of the core enough time to heat the whole core.
              Try that and see if you get the same results, and if you do then your core is at least partly clogged.
              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
                Is Thermostat working.

                mike

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                  #9
                  30 minutes is not normal. if you don't have any heat inside 15 minutes, my first thought is bad thermostat, or lots of air in the system. Or a very massive clog. Even with a clog though, usually its just feeble heat.

                  If the hoses don't get hard, thats usually an indicator that its not heating up, or there is air

                  if the hoses get hard, see what the hoses at the heater core are like. If one is hot and the other is cool, its clogged. They should both be hot, though one will be somewhat warmer than the other if you are using a laser thermometer thing on them.


                  also, stupid question, the radiator is full right? And the coolant looks like coolant, not like the toilet after a night of bad mexican food and too much beer ?
                  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

                    #10
                    about 10 minutes for my cars... 15 for some good hot air... 20 for ice melting goodness.

                    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.

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