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Quoted From krycus21: _x000D_
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no smoke what so ever, oil looks clean no milky-ness_x000D_
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ok.. Try doing a pressure test on the cooling system to see if it holds pressure._x000D_
When is the last time it has a thermostat put in it?_x000D_
They are cheaI doubt it’s the reservoir, but a bad radiator cap is a definite possibility (hopefully so). If the cap can’t hold the pressure, the radiator can’t pressurize when it heats. It boils over, but doesn’t oveheat beyond 212 def F because the energy is absorbe
[quote]Quoted From spelunkerd:_x000D_
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I doubt it’s the reservoir, but a bad radiator cap is a definite possibility (hopefully so). If the cap can’t hold the pressure, the radiator can’t pressurize when it heats. It boils over, but doesn’t oveheat beyonI already did the block tester, everything was fine, my brother works at a auto part store i had him order me a new reservoir ($20) im just asking in case it does not work. it also sat for about a year and a half. it did not do this when i parked it. 
[quote]Quoted From krycus21: _x000D_
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I already did the block tester, everything was fine, my brother works at a auto part store i had him order me a new reservoir ($20) im just asking in case it does not work. it also sat for about a year and a half. iIf the cap can’t be tightened. Then i can see why your boiling over._x000D_
pressure controls temperature. when you install the new reservoir_x000D_
be sure to top off the coolant and bleed any air. keep us posted_x000D_
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http://www.youtube.com/watch?v=zUpXgAJ1gjUThe #1 cause of a symptom like that would be air in the cooling system and that’s where I recommend you start.
i just replaced the reservoir today, does not boil over anymore, thanks for your help guys_x000D_
~cody~
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