What is the yellow gunk under my oil cap?
When the water gets whipped into the crankcase oil, it turns into a pudding-like consistency. As you drive and heat up the engine, the heat evaporates the water from the oil. Since the oil filler cap is at the top of the cylinder head, the oil/water settles in the oil cap, forming a yellow gunk.
What does white / yellow gunk like in the coolant reservoir?
This owner appears to have this sludgy thing on his/her COOLANT FILLER CAP. Hence the possibility of a head gasket failure. sos i dived in again. White / Yellow gunk does sound like oil in the coolant. Be happy its not orange. If it were orange foam then it would be tranny fluid in the coolant. That would be worse!
What does yellow gunk under the oil cap mean?
Yellow gunk under oil cap the car world that yellow gunk under oil cap always means you’ve got serious engine problems like a blown head gasket or sludge buildup. Yellow gunk under the cap CAN mean that if you have other corroborating signs. But yellow gunk under oil cap, by itself, is NOT an indication of a blown head gasket or sludge.
Where is the sludge in the coolant tank?
I have recently noticed that I have a white/yellow mucous like sludge that is gathering on the roof of the clear coolant reservoir tank that is at the back of the engine. When I unscrew the cap I see can see this sludge.
Is there Orange foam in the coolant reservoir?
Be happy its not orange. If it were orange foam then it would be tranny fluid in the coolant. That would be worse!
This owner appears to have this sludgy thing on his/her COOLANT FILLER CAP. Hence the possibility of a head gasket failure. sos i dived in again. White / Yellow gunk does sound like oil in the coolant. Be happy its not orange. If it were orange foam then it would be tranny fluid in the coolant. That would be worse!
Yellow gunk under oil cap the car world that yellow gunk under oil cap always means you’ve got serious engine problems like a blown head gasket or sludge buildup. Yellow gunk under the cap CAN mean that if you have other corroborating signs. But yellow gunk under oil cap, by itself, is NOT an indication of a blown head gasket or sludge.
I have recently noticed that I have a white/yellow mucous like sludge that is gathering on the roof of the clear coolant reservoir tank that is at the back of the engine. When I unscrew the cap I see can see this sludge.
Be happy its not orange. If it were orange foam then it would be tranny fluid in the coolant. That would be worse!