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

Overheating

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Old 06-08-15, 01:20 PM
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Pos300
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Default Overheating

I have a 98 gs300 and the coolant is spitting out of the water pump weep hole also there is no coolant in the radiator and plenty in the overflow tank any help? What is causing this I think maybe thermostat but not sure any comments or help appreciated thanks
Old 06-08-15, 02:04 PM
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MikeFig82
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Your water pump is no good. Should change out asap along with timing belt and new thermostat and coolant.
Old 06-08-15, 02:55 PM
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lexo98
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I agree with the bad water pump, but you also probably have air trapped in the system now..With the engine completely cold, COMPLETELY take off the radiator cap. Start the car and then add water with the engine running. I should purge the air out of the system
Old 06-08-15, 08:53 PM
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Pos300
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Originally Posted by lexo98
I agree with the bad water pump, but you also probably have air trapped in the system now..With the engine completely cold, COMPLETELY take off the radiator cap. Start the car and then add water with the engine running. I should purge the air out of the system
Thanks for the advice will try ASAP but I'm afraid I don't have the funds for a new water pump if you all know where I could maybe get a used one for dirt cheap? Or any quick fixes thanks again
Old 06-08-15, 09:31 PM
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monkey92
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have you replaced the thermostat before?
Old 06-08-15, 11:41 PM
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shwalker07
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No quick fixes on the water pump. If its leaking from the weep hole then your water pump is shot. I have seen new water pumps for about $30 online and the timing belt kit (with water pump) for about $66 if money is tight but I would "strongly" stay away from those if you can because I have seen those cheap ones fail even within a few years and then you are spending more than you should to replace it again. I would go with the AISIN brand (same as OEM) or Gates for better reliability if I were you.
Old 06-10-15, 06:35 AM
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Originally Posted by shwalker07
No quick fixes on the water pump. If its leaking from the weep hole then your water pump is shot. I have seen new water pumps for about $30 online and the timing belt kit (with water pump) for about $66 if money is tight but I would "strongly" stay away from those if you can because I have seen those cheap ones fail even within a few years and then you are spending more than you should to replace it again. I would go with the AISIN brand (same as OEM) or Gates for better reliability if I were you.
100% agree with you. On ebay you can found out a AISIN or OEM Parts a excellent prices with good seller and good feedback.
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