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overhaeating

This is a discussion on overhaeating within the General Help forums, part of the LSx Technical Help Section category; hello everyone i have a 1998 corvette tha has a 5.7 andits overheating sometimes and sometimes not could anyone help ...

  1. #1
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    1998 Corvette

    overhaeating

    hello everyone i have a 1998 corvette tha has a 5.7 andits overheating sometimes and sometimes not could anyone help me i changed tstat already water boils very quick?

  2. #2
    Senior Member Z28Thunder's Avatar
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    Welcome to LS1.com!!! A mod from this section will porbably post this in the general section for more replies..

  3. #3
    Senior Member 98maro's Avatar
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    Welcome to ls1
    Check the radiator cap
    Or let the car run for a while so u can see the reaction on the motor. Dnt let it get to hot
    Check water leaks or anything like that
    00 ss blk m6 " STOCK" strano springs, slp bilstein shocks, adj LCA, adj panhard bar, relocation brackets, 2 point SFCs welded,OEM zo6 rims black, magnaflow exhaust, CME exhaust,E/cutout, slp grille, custom front plate mount, HIDs, whistler mod, side moldings delete, slp air lid, ported and polished TB, strut tower brace, 3.73s gears, and some other parts to list!
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    Veteran 0rion's Avatar
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    when did it start doing this? Anything done to the car right before this started? Might just have air in the system. To remove the air take the cap off the radiator and let it run until the t-stat opens and water circulates for a few minutes. Top it off and put the cap back on.

  5. #5
    Smiles for 9.5 Years cammed goat's Avatar
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    I was thinking vaporlock as well.

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    Member importhater81's Avatar
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    vettes are a bitch to bleed air from the cooling system.If it's overheating right away you either have an air pocket or a combustion leak.

  7. #7
    Senior Member rajiv1998's Avatar
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    Burp the system first and see if that works. Take a good look under the hood and make sure nothing is leaking.
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  8. #8
    Member zeetwentyeight's Avatar
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    know the ultimate bleeding skill on the ls1, I flushed mine not too long ago and had the same issue, is it running at about 230 but never over heating? If the corvette and camaro are the same then, there is a hose that runs from your TB to your head on the driver side, it should just have a basic hose clamp , disconnect the hose from the head then disconnect the lower radiator hose from the radiator then pour coolant into that radiator hose till you have a straight stream of coolant coming from the head cooling line even go longer to assure no air is in your system. Hook the head line back up then the lower rdiator hose as fast as possible. Fill the radiator stRt it and let it idle for awhile if everything looks good take I for a teat drive and see how it does. Like I said I had the same issue about two weeks ago I did this and everything is back to normal. Sorry for anymispelled words this was off my iPod my mac is getting repIred hope it works for ya let me know

  9. #9
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    my car overheating

    thanks everyone for the response it was just the radiator cap nothing major

  10. #10
    Smiles for 9.5 Years cammed goat's Avatar
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    Good to hear. Enjoy your car.

  11. #11
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    Quote Originally Posted by cammed goat View Post
    Good to hear. Enjoy your car.
    X2!

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