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GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

cooling problems

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Old Aug 23, 2007 | 11:17 PM
  #1  
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Angry cooling problems

so it was about 100 in corona ca,wife was driving on a freeway in bumper to bumper traffic when she heard a pop followed by steam from the engine,she pulled over right away and called me.when i arrived the top hose had popped off and lost most of it's coolant,connected hose and filled with water,thats all i had at the time,i drove it straight home about 5 miles watching my temp rise over where it normaly would be,before i made it home i could see steam.opened the hood and saw a large crack on the top of my radaitor.my question is what would cause the hose to pop off like that and crack my radaitor?i have ordered a radaitor.could this be caused by the radaitor cap not working correctly?car has 160500 miles,water pump,thermostat, replaced with timming belt at 140000 miles.thanks
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Old Aug 24, 2007 | 02:22 AM
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A radiator cap is a likely culprit. It may not be releasing properly. There may have also been some extra air in the system. Is the new radiator coming with a cap?
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Old Aug 24, 2007 | 07:24 AM
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i am buying a aftermarket brand so i will pick up a new cap.
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Old Aug 24, 2007 | 08:57 AM
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I have seen many a time at my uncle's shop with a popped radiator cap as BillGS3 mentioned. More often the case is with a sticking or bad water pump, even though replaced not too long ago.

Also would suggest adding a bottle of Redline WaterWetter to your coolant/water mix.
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Old Aug 24, 2007 | 09:07 AM
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Did you continue to drive the car back with leaking coolant? Usually it's not too good to do that. The motor can overheat and warp the head...and yes thats a very bad thing
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Old Aug 24, 2007 | 07:11 PM
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i did not notice any leak up until the steam appeared'radaitor arrived today,by the way you can pick one up from ebay for $133 plus 35 for shipping made by kyco.looks like it is well built.hope there is no head damage,should have it in this weekend.

Last edited by lexoman; Aug 26, 2007 at 01:08 PM.
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