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07-20-2016, 07:18 PM | #1 | |
AF Newbie
Join Date: May 2009
Location: Inland Empire, California
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99' Avalon changed everything still overheats
Hello- I just bought and replaced a brand new radiator, new thermastat, water pump, both hoses upper and lower, and both knock sensors.
I can only drive like 20 miles (must be highway or overheats quicker) before it starts bubbling in the reservoir. So I have to let it cool down, slowly take off the radiator cap, dump the reservoir into the radiator, and then add more fluid. Over and over and over. If anyone can offer some insight as to what I'm missing or something to check I'd appreciate it. |
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07-21-2016, 12:25 PM | #2 | |
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Re: 99' Avalon changed everything still overheats
Did you bleed the system? If not, do that. There may be some air in your cooling system somewhere and that can cause overheating.
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"Ok, systems check; the battery is discharging, the oil temperature is very high, the oil pressure is very low, the engine temperature is off the end of the scale, I'm running out of petrol... but the clock is correct!" -James May, in an old, worn out Lamborghini purchased for less than £10,000. |
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08-25-2016, 08:12 AM | #3 | |
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Join Date: Mar 2004
Location: Cypress, Texas
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Re: 99' Avalon changed everything still overheats
Is there a milky color to the radiator fluid? Sounds like a leaking head gasket.
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08-25-2016, 09:18 AM | #4 | |
Resident Chemist
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Re: 99' Avalon changed everything still overheats
Make sure you installed the thermostat with the jiggle valve on the top. It permits bleeding.
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