Maximize Cooling Efficiency with Black Coolant A Powerful Solution

The coolant expansion tank features two internal chambers. These chambers are NOT isolated from each other. There is cross-over passages at the top and bottom. Most times you can find a 'flushing kit', I think Prestone makes one. It comes with it's own chemicals which you shouldn't have to worry about hurting the ... BobPell ... Probably debris, minerals and what ever that built up in the system finally released. Also the interior of your hoses may be starting ... these engines are known to have excess casting sand in the block left over from when they cast the blocks at the manufacturer. if the coolant ... 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 ... Our expansion tanks are 100% machined from billet 6061 aluminum with no welding. They mount directly to the OEM mounting points and use the same OEM hoses. I have seen these overflow tanks using either a black solid color or a clearish white color. I am just curious if one superseded the other ... A couple days ago I noticed that my coolant reservoir was dark. As in brown dark. No leaks under the car. No coolant in the oil. Oil looks great. Smells a bit ... Article Number: A2C59514176 ... VL Coolant Temperature 52mm 250°F/120°C Black ... Highlights ... Item added to your cart ... VL Coolant Temperature 52mm 250°F/120°C ... Coolant can get pretty nasty when it's old, especially Dexcrud. That just means the system could use a good flushing and new coolant. As long as ...