Unlock the Secret of Liquid Supremacy Black Coolant Revealed

Most likely it is just spurs releasing off the tank. It's a good idea to have the system professionally flush every 100k miles. Another possibility on the black coolant could be that there is residue still in there from some improper coolant or additive that someone put ... Universal Radiator Coolant Overflow Tank Bottle 800ml Aluminum Black. Keep Operational Temperatures-Radiator coolant overflow tank makes the engine coolant ... Yup. Oil pressure is 80+ psi, water pressure 15 psi max. So... generally when there's a breach between the oil gallery and the coolant passages ... It's either ATF from the trans. cooler in the radiator (which can be almost black if it hasn't been changed), or it's actually oil. The coolant reservoir tank's clear tube to view volume level is not so clear, so I cannot see the level of the coolant in the tank. The Subaru coolant conditioner is present, because it looks granulated when you look at the coolant in the light. In my bucket, the coolant appears black. Buy CHILDWEET 800ml Aluminum Coolant Overflow Tank Black Radiator Coolant Reservoir Bottle Coolant Expansion Reservoir OEM Replacement: Automotive ... Looks like this May have been a mess of previous stop leak and dirt from the past as Jeff said. I think the foaming aspect May have been from ... Dark coolant might mean a seal gone bad in the waterpump. It could cause the coolant to mix with the engine oil a tad. Check your weep hole and ...