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Pontiac: Coolant leaking in engine

  1. #1
    KDawg
    Guest

    Coolant leaking in engine

    I have a 1994 Pontiac Grand Am with the V6 3.1 engine.
    About a month or so ago I noticed a temperature spike on the guage. It shot
    up from about 1/4 to over 1/2 and cold air was coming out of the vent. I
    topped up the coolant, and everything was fine. Well about 2 weeks later the
    same thing happens, so once again I did the same thing. I have checked the
    dipstick, and it looks kinda greyish brown, and it goes way up the stick. I
    just had an oil change a couple of weeks ago too. So I am pretty sure that
    it is leaking coolant into the engine. Luckily enough for me I got a
    warranty that covers power train including head and head gaskets as well as
    seals and gaskets for all fluids, so I am pretty sure it is covered.

    My question is this. How long can I go before it causes serious or
    irreversible damage to the engine. The car runs fine, good power, pretty
    smooth, so I don't notice anything wrong with it. Like I said I have had
    this problem for maybe a month or a bit more, and I haven't driven alot in
    that time, perhaps 1000-2000 KM tops. I am planning on taking the car in
    this week to get it fixed. Do you think I have waited too long ? What is the
    procedure for something like this ? My warranty covers up to $1500 Candian,
    I'm pretty sure that should cover the intake gasket if thats where the leak
    is. I suppose it could also be the head or head gasket too, but I'm not
    sure.

    Any info or advice would be greatly appreciated.

    Regards,
    KDawg



  2. #2
    Woody
    Guest

    Re: Coolant leaking in engine

    It may have already caused irreparable damage. Do a google search on the
    lower intake manifold gasket problems with the GM 3.1 and 3.4 engines. Dex
    Cool erodes the bearings and a lot of people have had the cam bearings
    freeze up and break the cams. Get it fixed immediately and make sure they
    flush the engine good to remove all the crud. Around here they want $770 to
    $1000 to replace the gasket.

    "KDawg" <com> wrote in message
    news:5vAVb.15029$bloor.is.net.cable.rogers.com... 
    shot 
    the 

    as 
    the 
    Candian, 
    leak 



  3. #3
    Gabbo!
    Guest

    Re: Coolant leaking in engine

    Probably a head gasket, if it were intake I think water would be on the
    ground.


    KDawg <com> wrote in message
    news:5vAVb.15029$bloor.is.net.cable.rogers.com... 
    shot 
    the 

    as 
    the 
    Candian, 
    leak 



  4. #4
    Eightupman
    Guest

    Re: Coolant leaking in engine

    Go to the repair shop, go directly to the repair shop, do not pass go and
    fork out the deductable from your warranty.
    Water in the oil (brown sludge) is not conducive to good lubrication, and
    you run the risk of spinning a bearing the very next time you start it.

    "KDawg" <com> wrote in message
    news:5vAVb.15029$bloor.is.net.cable.rogers.com... 
    shot 
    the 

    as 
    the 
    Candian, 
    leak 



  5. #5
    KDawg
    Guest

    Re: Coolant leaking in engine

    Thanks everyone for the replies. I am taking the car in in the next 2-3
    days, and I don't plan on using it much before I take it in. If something
    was seriously wrong, would I not notice something in the way the car
    runs/feels ? I am not using Dexcool, just the green stuff that comes
    premixed. Not sure if that helps much. It hasn't overheated yet, it has
    gotten up over 1/2 on the temp guage, but nowhere near the red. There is
    alos no visible signs of coolant leaking so it must be an internal leak. I
    can also smell coolant when the temp rises, not sure if that helps to
    detrmine if it's a manifold leak or head gasket leak. Thanks again to any
    and all who responded, any further feedback is welcome.

    Regards,
    KDawg
    "KDawg" <com> wrote in message
    news:5vAVb.15029$bloor.is.net.cable.rogers.com... 
    shot 
    the 

    as 
    the 
    Candian, 
    leak 



  6. #6
    Hairy
    Guest

    Re: Coolant leaking in engine


    "KDawg" <com> wrote in message
    news:mMEVb.15865$bloor.is.net.cable.rogers.com... 

    By the time you notice that it doesn't run right, it will be WAY too late.
    H

    I am not using Dexcool, just the green stuff that comes 
    the 
    stick. 
    that 
    in 



  7. #7
    KDawg
    Guest

    Re: Coolant leaking in engine

    OK I took it in this morning, and the tech said it definitely looks like
    it's the manifold. The dipstick looks like it has been dipped in a double
    double coffee. He said it looks like I brought it in in time, and doesn't
    think there will be any damage. He also said they will flush the whole thing
    out real good, and the good news is that it is all covered under warranty.

    Regards,
    KDawg
    "KDawg" <com> wrote in message
    news:5vAVb.15029$bloor.is.net.cable.rogers.com... 
    shot 
    the 

    as 
    the 
    Candian, 
    leak 



  8. #8
    Bon·ne·ville
    Guest

    Re: Coolant leaking in engine

    Not sure how its covered under warranty after you contaminated the
    system. Havent you been reading the groups Kdawg? You post in here all
    the time. How have you missed all the dexcool and conventional coolant
    talk?

    In article <uEMVb.17652$R6H.15092
    @twister01.bloor.is.net.cable.rogers.com>, com
    says... 

  9. #9
    KDawg
    Guest

    Re: Coolant leaking in engine

    Sorry I don't follow the group unless I am having a particular problem. I
    thought that it was dexcool that was the bad stuff ? My warranty covers
    seals and gaskets, and as far as I know at this point, the intake manifold
    gasket became defective, which allowed coolant to leak into the oil. I had
    just had an oil change 2 weeks ago, and no noticeable signs of coolant were
    visible in the oil, but now it is visible. I don't see how this is not
    covered, and the tech read over my warranty, and said it would be covered
    too. I'm just wondering why you think this would not be covered. ?

    Regards,
    KDawg
    "Bon·ne·ville" <sp@m.b.gone> wrote in message
    news:woh.rr.com... 
    double 
    doesn't 
    thing 
    warranty. 

    later 
    the 
    stick. 
    that 
    well 
    pretty 
    had 
    alot in 
    in 
    is 
    not 



  10. #10
    Me
    Guest

    Re: Coolant leaking in engine

    I would say driving for 2000 miles would kill your warranty right off the
    bat, myself. Hopefully you didn't tell the mechanic that's you had driven
    the car the distance of Florida to Canada and then some.

    Also, if you've driven that far, you've put excessive wear on components
    internally. Water contaminated oil DOES NOT LUBRICATE, and because of this,
    the engine has been exposed to unnecessary wear. A good guess as to one of
    the main reasons your temperature gauge was reading higher, is that even if
    the cooling system is full, but the oil is contaminated, the additional
    friction of the improperly lubricated systems within the engine created
    additional heat.

    In short, start thinking about a rebuild very soon, 'cause that motor is
    going to be poooooched before long.



     
    like 
    It 
    vent. 
    checked 
    sure 
    car 
    What 
    the 




 
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