2003 Head Gasket Repair - Page 9
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Northstar Engines and System Technical Discussion Discussion, 2003 Head Gasket Repair in Cadillac Engine Technical Discussion; With a big open end wrench, and yes....
  1. #121
    MoistCabbage's Avatar
    MoistCabbage is online now Cadillac Owners 10000+ Posts
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    With a big open end wrench, and yes.

  2. #122
    sts 03's Avatar
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    Finally got it done,I don't know why I didn't check that heater pipe connector before I put the crossover in.it would of Been much easier to change with it out of the car, yea The inside seal was totally gone.I don't know if I have more busted knuckles or cuts on my arms not to mention the soreness of my knees and back.

  3. #123
    MoistCabbage's Avatar
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    If you didn't throw any tools through any of the windows, you made out ok

    Did you fill it up and start it yet? Any leaks?

  4. #124
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    Re: 2003 STS coolant leak (possible crossover leak)?

    Quote Originally Posted by MoistCabbage View Post
    If you didn't throw any tools through any of the windows, you made out ok
    Laughing because I can totally relate.

  5. #125
    sts 03's Avatar
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    No I didn't throw any tools through the window lol.yea I started her up and let her run for 15 minutes but haven't driven it yet but so far so good.

  6. #126
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    About how many drives after re filling the coolant would it take to be full cause I've only driven it maybe four or five times since I did the crossover gaskets and twice I had to add some coolant? Unless I still have a mysterious leak that's is evaporating, were could be some leak points that won't leave a puddle or drops that can be seen?

  7. #127
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    Re: 2003 STS coolant leak (possible crossover leak)?

    By the 3rd drive all the air should have been purged. I don't think I have ever had to add coolant beyond that. Certainly by the 5th drive.

  8. #128
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    Yea I topped it off today do if it's low again something else is leaking

  9. #129
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    You had ALOT apart/disconnected. Something being left loose wouldn't be out of the question. If you have to top it off again, go over your work, look for signs of dried DEX, and you can always rent a pressure test kit if you need to.

  10. #130
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    Re: 2003 STS coolant leak (possible crossover leak)?

    there is dried dex cool everywhere from the time the mechanic didnt put the radiator sight shield on right over the top rad hose and the water pump pulley busted the hose and it sprayed all over the engine ,i dont see any leaks and i am trying the best i can to look over everything that was taking apart .i would think after diving four to five times it would be at the proper level or maybe i wasnt driving long enough .i didnt have to add that much today but if i have to add again then something else is up .what about those blacklight dye kits you can buy ?

  11. #131
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    They work. Petsonally, I'd try the preassure test kit first though

  12. #132
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    So far since doing the crossover I have added about 3 to 3.5 gallons I used the last bit today .I had four gallons but a Half a gallon to a gallon leaked out when I first started filling up after the crossover fix cause the heater house fitting gasket was broke.I can't find any visible leaks .either it's taking this long to fill to proper level or I have a head gasket leak.if the heater core was leaking wouldn't the floor mat be wet? I'm starting to get worried it could be the had gasket cause I'm getting smoke from the exhaust and the misfire but the car has never run hot so can I still test for exhaust gases if it's never ran hot?

  13. #133
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    Re: 2003 STS coolant leak (possible crossover leak)?

    If the coolant level is proper and the engine has just been run for over 15 minutes or so you can perform a cylinder block exhaust gas test any time the spirit moves you.

    How long does the tailpipe vapor last ?

  14. #134
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    It can last 15 to 20 minutes sometimes and it's definitely not condensation cause yesterday it was warm in the afternoon .it only really does it at idle when I drive it stops by if I stop a light it starts coming out again.just now I started it it looked like a locomotive train.usually too when it smokes bad the ses light flashes.yesterday morning it was fine then I drove to d.c parked for thirty minutes or so went to start and it clicked the first Two tries then when it did start the ses light started flashing and it acted like it wanted to cut off and it started smoking.

  15. #135
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    Re: 2003 STS coolant leak (possible crossover leak)?

    "Locomotive ...." That's not good. Not good at all.

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