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FireChicken has got a limp...

This is a discussion on FireChicken has got a limp... within the General Help forums, part of the LSx Technical Help Section category; Hey all, I've gotta 98' WS6 and I have a question about my cooling system. Sometimes, when I am idling ...

  1. #1

    FireChicken has got a limp...

    Hey all,
    I've gotta 98' WS6 and I have a question about my cooling system.

    Sometimes, when I am idling at a red light or at a drive thru (like tonight) the low coolant level light will come on and the coolant temp gauge will rise to around 200. My coolant level is good though and I've found that if I turn on my heater/AC when this happens, the temp will go down. The light goes off when I shut down the car.

    Could there be a restriction in the coolant system causing this?
    Or can this be a thermostat issue?
    Or even the coolant sensor (passenger side/radiator) which was replaced about a year ago?
    Please advise.

  2. #2
    Member red99ws6's Avatar
    Join Date
    Jul 2007
    tazewell, tennessee

    1999 Trans Am WS-6

    for some reason you fans arent turning on until you turn on heat. that is why your temp hand is going up. try to bleed the system could have air in it. had the same problem on a grand am. had air in the coolant lines

  3. #3
    That would make sense as I had recently installed my LS6 intake. When I did the throttle bypass mod, the line got pointed down and dumped some coolant.

    Any tips on bleeding air out?

  4. #4
    Veteran 0rion's Avatar
    Join Date
    Aug 2005

    98 Formula
    06 duramax

    pop the cap off and start the car and let it run for a while and it'll purge the air out. Just make sure to let it run long enough for the t-stat to open and get coolant circulating for a bit. It'll purge the air.

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