Black Coolant The Secret Weapon for Overheating Systems

Black and sticky is combustion by-products from a aged out tired head gasket. Its not WATER PUMP LUBE ARE STOP LEAK! Black coolant?... 45 views · 5 months ago #engineoil #cars #engine ...more. Walsall Wood Tyre & Service. 664. Subscribe. Over 12 week blackish SOOT build up in Coolant tank no diesel smell, coolant loss 100 ml coolant Clean. DPF burn temp okay data log engine temp okay This sounds like a bad head gasket. exhaust gas from your cylender is being pushed into the cooling system and coming out the tube in your overflow tank. 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. Buy RASTP Universal 1L Coolant Overflow Tank, Aluminum Coolant Radiator Tank,Reservoir Expansion,Black: Coolant Recovery Kits - Amazon.com ✓ FREE DELIVERY ... 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. Easy way to improve underhood aesthetics · Available in your choice of polished aluminum, wrinkle black, or wrinkle red finish · Made from ... Most likely it is just spurs releasing off the tank. It's a good idea to have the system professionally flush every 100k miles. I would try a little dishwasher soap (low suds) for a flush. Any time I have seen black it was from either a combustion leak or a oil cooler ...