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Discuss Damn That Dexcool...sprung another leak in the alt.autos.gm forum at Car Dealer Forums; 97 pontiac GA 3.1, 131k miles. I must say this car has held up and ...
  1. #1
    Maccaca
    Guest

    Default Damn That Dexcool...sprung another leak

    97 pontiac GA 3.1, 131k miles. I must say this car has held up and runs
    pretty damn good to be honest...but the coolant leaks do to Dexcool have
    caused an Intake gasket failure at 80k costing me $800, and yesterday at
    131k miles just dished out over $700 to repair a coolant leak at my timing
    chain cover. Also replaced chain while cover was off since I had it apart.
    Doing an internet search I noticed several class action suits against GM
    regarding gasket failures do to the 150k mile Dexcool coolant. The gasket
    repairs are unneccesary and GM has been using Dexcool since 1996 and may
    still be using it. In any case I have decided to get in on the class action
    suit to make GM pay for my repairs.





    › See More: Damn That Dexcool...sprung another leak

  2. #2
    =?iso-8859-15?Q?Bon=B7ne=B7ville?=
    Guest

    Default Re: Damn That Dexcool...sprung another leak

    Dexcool doesn't spring leaks, gaskets do.

    In article <12f37jmi1junpb6@corp.supernews.com>, macaca@LIyy.NET says...
    > 97 pontiac GA 3.1, 131k miles. I must say this car has held up and runs
    > pretty damn good to be honest...but the coolant leaks do to Dexcool have
    > caused an Intake gasket failure at 80k costing me $800, and yesterday at
    > 131k miles just dished out over $700 to repair a coolant leak at my timing
    > chain cover. Also replaced chain while cover was off since I had it apart.


    Why did it cost 700 bucks while "you" had it apart? The chain would of
    outlasted the body of the car btw.

    > Doing an internet search I noticed several class action suits against GM
    > regarding gasket failures do to the 150k mile Dexcool coolant. The gasket
    > repairs are unneccesary and GM has been using Dexcool since 1996 and may
    > still be using it. In any case I have decided to get in on the class action
    > suit to make GM pay for my repairs.


    Some people get about half their money reinversed. Still they place
    fault in the wrong place.

    I have a beater with a 3800 that has had dexcool in it for no less than
    7-8 years and had dexcool in it about 6-7 years before that. The intake
    gaskets seep a little bit but the coolant is as clear as orange soda.
    The seepage is do to the intake gaskets being 14 years old and not
    really well designed, not because it has dexcool in it. Oh and all other
    hoses and gaskets are 14 years old as well. Finding a stock car that
    doesnt leak or seep after 80k miles and 6 years is hard to do.

    (3100's/3400's are good running engines but they dont seal worth a damn.
    They are copied from a 1980's 6cyl ford engine which could explain a few
    things.)


  3. #3
    Nate Nagel
    Guest

    Default Re: Damn That Dexcool...sprung another leak

    Bon·ne·ville wrote:
    > Dexcool doesn't spring leaks, gaskets do.
    >
    > In article <12f37jmi1junpb6@corp.supernews.com>, macaca@LIyy.NET says...
    >
    >>97 pontiac GA 3.1, 131k miles. I must say this car has held up and runs
    >>pretty damn good to be honest...but the coolant leaks do to Dexcool have
    >>caused an Intake gasket failure at 80k costing me $800, and yesterday at
    >>131k miles just dished out over $700 to repair a coolant leak at my timing
    >>chain cover. Also replaced chain while cover was off since I had it apart.

    >
    >
    > Why did it cost 700 bucks while "you" had it apart? The chain would of
    > outlasted the body of the car btw.
    >
    >
    >>Doing an internet search I noticed several class action suits against GM
    >>regarding gasket failures do to the 150k mile Dexcool coolant. The gasket
    >>repairs are unneccesary and GM has been using Dexcool since 1996 and may
    >>still be using it. In any case I have decided to get in on the class action
    >>suit to make GM pay for my repairs.

    >
    >
    > Some people get about half their money reinversed. Still they place
    > fault in the wrong place.
    >
    > I have a beater with a 3800 that has had dexcool in it for no less than
    > 7-8 years and had dexcool in it about 6-7 years before that. The intake
    > gaskets seep a little bit but the coolant is as clear as orange soda.
    > The seepage is do to the intake gaskets being 14 years old and not
    > really well designed, not because it has dexcool in it. Oh and all other
    > hoses and gaskets are 14 years old as well. Finding a stock car that
    > doesnt leak or seep after 80k miles and 6 years is hard to do.


    Your standards are low. Leaking or seeping after only 6 years is not
    only pathetic but unacceptable in a vehicle costing $20K new (as pretty
    much any car does nowadays.)

    nate

    --
    replace "fly" with "com" to reply.
    http://home.comcast.net/~njnagel

  4. #4
    John Horner
    Guest

    Default Re: Damn That Dexcool...sprung another leak

    Maccaca wrote:
    > 97 pontiac GA 3.1, 131k miles. I must say this car has held up and runs
    > pretty damn good to be honest...but the coolant leaks do to Dexcool have
    > caused an Intake gasket failure at 80k costing me $800, and yesterday at
    > 131k miles just dished out over $700 to repair a coolant leak at my timing
    > chain cover. Also replaced chain while cover was off since I had it apart.
    > Doing an internet search I noticed several class action suits against GM
    > regarding gasket failures do to the 150k mile Dexcool coolant. The gasket
    > repairs are unneccesary and GM has been using Dexcool since 1996 and may
    > still be using it. In any case I have decided to get in on the class action
    > suit to make GM pay for my repairs.
    >
    >


    It is questionable if the famous GM intake manifold leaks are caused by
    Dexcool or if they are an independent design problem.

    Certainly something is wrong!

    John

  5. #5
    aarcuda69062
    Guest

    Default Re: Damn That Dexcool...sprung another leak

    In article <MPG.1f5b7994d5de3507989702@news-server.woh.rr.com>,
    Bon·ne·ville <sp@m.be.gone> wrote:

    > (3100's/3400's are good running engines but they dont seal worth a damn.
    > They are copied from a 1980's 6cyl ford engine which could explain a few
    > things.)


    Neat trick considering that engine debuted in the 1980 model year
    GM 'X' bodies which were released in early 1979.

  6. #6
    aarcuda69062
    Guest

    Default Re: Damn That Dexcool...sprung another leak

    In article <12f37jmi1junpb6@corp.supernews.com>,
    "Maccaca" <macaca@LIyy.NET> wrote:

    > 97 pontiac GA 3.1, 131k miles. I must say this car has held up and runs
    > pretty damn good to be honest...but the coolant leaks do to Dexcool have
    > caused an Intake gasket failure at 80k costing me $800,


    Got nothing to do with the Dexcool and everything to do with
    crappy gasket design.

    > and yesterday at
    > 131k miles just dished out over $700 to repair a coolant leak at my timing
    > chain cover. Also replaced chain while cover was off since I had it apart.


    Front cover leaks on this engine have been common since the 1980
    model year.

    > Doing an internet search I noticed several class action suits against GM
    > regarding gasket failures do to the 150k mile Dexcool coolant. The gasket
    > repairs are unneccesary and GM has been using Dexcool since 1996 and may
    > still be using it.


    The fact that after two oil compromising coolant leaks the engine
    isn't totally seized is due to Dexcool not having any silicates
    which would have torn hell out of the engine bearings.

    > In any case I have decided to get in on the class action
    > suit to make GM pay for my repairs.


    Another sucker looking to line some lawyers pockets and settle
    for a discount coupon for himself...

  7. #7
    =?iso-8859-15?Q?Bon=B7ne=B7ville?=
    Guest

    Default Re: Damn That Dexcool...sprung another leak

    In article <ecsg850n9u@news1.newsguy.com>, njnagel@flycast.net says...

    > > hoses and gaskets are 14 years old as well. Finding a stock car that
    > > doesnt leak or seep after 80k miles and 6 years is hard to do.

    >
    > Your standards are low. Leaking or seeping after only 6 years is not
    > only pathetic but unacceptable in a vehicle costing $20K new (as pretty
    > much any car does nowadays.)
    >
    > nate


    HAHAHA ok yeah my standards are low or you didnt read what I wrote.

    Finding a stock car (that means untouched and never been fixed) that
    doesnt leak or seep (that means any fluid) after 80k miles and 6 years
    is hard to do ("hard to do", not impossible but very very far from
    average).

    Either everyone washes the underside of their cars before they bring
    them in to you or you are not in automotive repair. Find me a car that
    age that has NEVER had a leaking or seeping oil pressure sensor, a
    leaking or seeping oil pans, a leaking or seeping valve cover, a leaking
    or seeping axle seal, or any other countless area's including porous
    castings even in Honda 3.0's and other aluminum engines. My standards
    are from experience, how about yours.


    In article <nonelson-48F14D.15565427082006
    @newsclstr02.news.prodigy.com>, nonelson@sbcglobal.net says...
    > > In any case I have decided to get in on the class action
    > > suit to make GM pay for my repairs.

    >
    > Another sucker looking to line some lawyers pockets and settle
    > for a discount coupon for himself...


    Pretty much sums it up.

  8. #8
    =?iso-8859-15?Q?Bon=B7ne=B7ville?=
    Guest

    Default Re: Damn That Dexcool...sprung another leak

    In article <nonelson-D957C7.15502127082006
    @newsclstr02.news.prodigy.com>, nonelson@sbcglobal.net says...
    > In article <MPG.1f5b7994d5de3507989702@news-server.woh.rr.com>,
    > Bon·ne·ville <sp@m.be.gone> wrote:
    >
    > > (3100's/3400's are good running engines but they dont seal worth a damn..
    > > They are copied from a 1980's 6cyl ford engine which could explain a few
    > > things.)

    >
    > Neat trick considering that engine debuted in the 1980 model year
    > GM 'X' bodies which were released in early 1979.


    Relaying what I heard. Old ford 2.8's and GM 2.8's arent dissimilar. So
    it was copied from ford in the late 70's. Either way the engine design
    should of been scrapped long ago. Instead they kept it and made it worse
    every chance they got. They made a few improvements with the 3500 and
    3900. However neither is a worthy replacement for the 3800.

  9. #9
    shiden_kai
    Guest

    Default Re: Damn That Dexcool...sprung another leak


    "Bon·ne·ville" wrote

    >Relaying what I heard. Old ford 2.8's and GM 2.8's arent dissimilar. So
    > it was copied from ford in the late 70's.


    Oh my god! The basic designs of the engines are "similar" so
    that must mean that GM copied Ford? Give me a break.
    By the way, if you are simply "relaying what you heard"....wouldn't
    it make sense to mention this in your original post so that we
    wouldn't automatically assume that it's "you" that is stupid?

    >should of been scrapped long ago. Instead they kept it and made it worse
    >every chance they got. They made a few improvements with the 3500 and
    >3900. However neither is a worthy replacement for the 3800.


    The 3800 isn't that great of an engine. And I think you ought to wait
    a bit before passing judgement on the 35 and 39. I think they will
    turn out to be not a bad engine.

    Ian



  10. #10
    John Horner
    Guest

    Default Re: Damn That Dexcool...sprung another leak

    shiden_kai wrote:

    >
    > The 3800 isn't that great of an engine. And I think you ought to wait
    > a bit before passing judgement on the 35 and 39. I think they will
    > turn out to be not a bad engine.
    >
    >


    We shall see. In the 20+ years that GM made the 2.8-3.4 engine family
    it is questionable if they ever got the intake sealing problem fixed. I
    know that it was still a problem with our 2002 model.

    John

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