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My engine pissed itself and now has taken up smoking...help

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    My engine pissed itself and now has taken up smoking...help

    Two days ago i started street parking since winter's over. Last night i come home from work, park, and car's been running no problem. No leaks, all good in the hood.
    I come down this morning and there's a puddle of coolant under the car near the very front of the engine.
    I start it up just fine but there's white-ish smoke coming from the exhaust that takes maybe 15 minutes to reduce to barely any. I can't remember if that was the normal amount. (it was between 30 and 35 F outside (-1-2 C)).
    My immediate thought was: Shit. Headgasket. However, i'm not so sure.

    Here are the symptoms:

    -coolant puddle near very front of engine in the morning
    -coolant needed to be topped up (obviously).
    -When i opened the expansion tank even after the car sat for a while, it fizzed more than i would have expected.
    -NO coolant or liquids on the sides of the block near the head (i think)
    -oil is fine (10W40), NOT milky
    -morning startup: white-ish smoke coming from the exhaust. Not excessively puffy, but very noticeable nonetheless. Wayy more than should be visible for that temperature. Takes maybe 10-15 mins to reduce to almost none.
    -lunchtime (now) startup (temperatures warmer). Starts up fine, same lower amount of white smoke as the later morning. I can't remember if this is the normal amount i've been seeing for months, or if it's just exhaust. I want to say it's less white and more "exhaust-y" now, but i'm not sure.
    -I can sort of see coolant over the front of the engine, but it's blocked a little by hoses and i can't rip everything apart in the office parking lot.
    -Smells of burning coolant a little but that may be it burning off from touching hot components in the bay.

    -it's been running rich lately (maybe related?)

    So. Could it be my water pump and gasket failing? I noticed the temp jumped up to over half from just below half after a 2 minute drive during lunch. that's started up from almost cold though so it may just be an e30 gauge anomaly...

    It's just weird since it seems to have come out of nowhere overnight.

    Any help would be GREATLY appreciated. Thanks! :(
    Last edited by Sea Aych; 04-03-2014, 12:40 PM.
    1988 Atlantisblau Euro/Japanese 325i Cabriolet
    1989 Schwartz 325i - now M50 powered! - now very dead
    1998 Toyota 4Runner Limited
    My 17,000km Big NA National Parks trip!

    #2
    Rent a pressure tester from autozone to see where the leak is coming from. You just disconnect one of the little hoses (like the one on the rad) and pump the little pump and you should find your leak. Once leak is fixed the system should hold the pressure.

    Comment


      #3
      I suspect that you may have two problems. One is that there is a coolant leak, the other may be a failed head gasket. There is a noticeable difference in the appearance of normal condensation and vaporized coolant. Once you have seen a bon fide case of vaporized coolant you won't mistake one for the other. The diagnosis is best done by someone with experience, like an professional mechanic.

      A pressure test of the cooling system (as noted above) will tell where the leak is.
      The car makes it possible, but the driver makes it happen.
      Jim Levie, Huntsville, AL

      Comment


        #4
        Originally posted by jlevie View Post
        A pressure test of the cooling system (as noted above) will tell where the leak is.
        Originally posted by efficient View Post
        Rent a pressure tester from autozone to see where the leak is coming from. You just disconnect one of the little hoses (like the one on the rad) and pump the little pump and you should find your leak. Once leak is fixed the system should hold the pressure.
        Thanks for the tip!

        Unusual update time now...: Went out to the car this morning after another cool night and bam: no puddle under the car. Starts up 100% fine and the smoke out the tailpipe is GONE. Well, by gone i mean it's just the running rich grey-er smoke and smell now. (temp sensor to be switched this weekend. Do i need to bleed the system for that since i'm unscrewing the thing from the thermostat housing?)
        All i did was change plugs last night.... Honestly no idea what's going on now.
        1988 Atlantisblau Euro/Japanese 325i Cabriolet
        1989 Schwartz 325i - now M50 powered! - now very dead
        1998 Toyota 4Runner Limited
        My 17,000km Big NA National Parks trip!

        Comment


          #5
          My guess is the leak you saw on the ground was your water pump failing. this same thing happened to my e30. check to see if there is white residue on the from pulleys.
          Much wow
          I hate 4 doors

          Comment


            #6
            Originally posted by Cabriolet View Post
            My guess is the leak you saw on the ground was your water pump failing. this same thing happened to my e30. check to see if there is white residue on the from pulleys.
            I'm thinking you're right i'll have to check the pulleys after work - car more easily creeps up over the half way mark now in standing traffic, when it used to be fine. Looks like a full TB/WP job is around the corner
            1988 Atlantisblau Euro/Japanese 325i Cabriolet
            1989 Schwartz 325i - now M50 powered! - now very dead
            1998 Toyota 4Runner Limited
            My 17,000km Big NA National Parks trip!

            Comment

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