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Old 02-11-2011, 09:00 PM   #16
Scooby Newbie
Member#: 168988
Join Date: Jan 2008

Originally Posted by letsteyr View Post
hi gakusya, i think i got the same problem as you got.

A WRX STI 2006 2.5L + atp3071 turbo

Coolant overflows when i drive hard (i think it's more after driving hard)
No overheat, No consumption (oil or coolant), No milk, No smoke
A few little black things (2 or 3 in the bootle)
Tryed with a 1.3b upper cap => still overflow
changed my radiator with a koyo => a little less oveflow
changed the termostat with a crucial => still overflow

Coolant has difficulty to go back into the radiator except by very low temperature.
I did the carbon test (blue/yellow test) => No carbon, fresh air.
My compressions are balanced and ok.
My sparks are ok.

My coolant water is a common elf coolant water.

Can you give details about the coolant you put (brand, specs...). Thanks
I go this problem I just installed a new Mishimoto rad and caps and when I pushed the car hard the coolant overflows and bubbles come out.... But I also have a smaller coolant reservoir due to turbo xs fmic.... I don't know if thats a factor in this issue...
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