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Thread: Quick Q about radiators and thermostats:

  1. 06-13-2006, 08:35 AM #1
    joe.MIATA
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    Default Quick Q about radiators and thermostats:

    My '91 celica GTS (w/ 194K miles) is still around, but the water in the upper radiator hose is boiling when i drive. I notice it when i shut it off. Is this a sign of the thermostat going south? The temp. guage shows normal temps while driving.
    Any thoughts?
    TIA.
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  2. 06-13-2006, 08:48 AM #2
    POS Racing
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    First thought : Radiator cap
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  3. 06-13-2006, 04:46 PM #3
    Darron65
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    Plus make sure the system is completely filled.
    I’m a man, but I can change. If I have to, I guess.
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  4. 06-14-2006, 06:32 AM #4
    joe.MIATA
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    thanks
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  5. 06-14-2006, 08:00 AM #5
    POS Racing
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    Quote Originally Posted by joe.MIATA
    thanks
    Well what did ya figure out???
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  6. 06-14-2006, 08:54 AM #6
    joe.MIATA
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    nothing yet- only that the original radiator cap didn't fit perfectly onto the after-market radiator i installed last summer. However, i don't have any leaking from the cap. I guess it's possible that a 15 yr old cap could be tired. I will try to find a new cap tonight.
    Haven't tried to remove the cap yet because it takes hours for it to cool, so i haven't checked the fluid level.
    I'll post my findings.
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