![Coolant leak from the top of my expansion tank. I think it's the cap. Is this a common issue? What could fail on this part? - BMW E46 318i M43TUB19 1998 : r/MechanicAdvice Coolant leak from the top of my expansion tank. I think it's the cap. Is this a common issue? What could fail on this part? - BMW E46 318i M43TUB19 1998 : r/MechanicAdvice](https://preview.redd.it/eqpn5j3m3re71.jpg?width=640&crop=smart&auto=webp&s=3dff1143c9501cf2f333d868b567a8babdc76687)
Coolant leak from the top of my expansion tank. I think it's the cap. Is this a common issue? What could fail on this part? - BMW E46 318i M43TUB19 1998 : r/MechanicAdvice
![Should I be concerned about this coolant residue on the reservoir cap of my 2018 Toyota Tacoma or is the dealership just messy with their complimentary fluid fills? Coolant level is near Should I be concerned about this coolant residue on the reservoir cap of my 2018 Toyota Tacoma or is the dealership just messy with their complimentary fluid fills? Coolant level is near](https://i.redd.it/tz5hjoycw7971.jpg)
Should I be concerned about this coolant residue on the reservoir cap of my 2018 Toyota Tacoma or is the dealership just messy with their complimentary fluid fills? Coolant level is near
![Coolant tank leaks and burbles from the cap when i turn the car off. Is this just an issue with the tank or is there a bigger problem creating too much pressure Coolant tank leaks and burbles from the cap when i turn the car off. Is this just an issue with the tank or is there a bigger problem creating too much pressure](https://preview.redd.it/coolant-tank-leaks-and-burbles-from-the-cap-when-i-turn-the-v0-5q30kzrdfpe91.jpg?width=640&crop=smart&auto=webp&s=e080b37cfe1e9d634e17c03ea4be5a553c64ef8a)
Coolant tank leaks and burbles from the cap when i turn the car off. Is this just an issue with the tank or is there a bigger problem creating too much pressure
![Coolant reservoir slowly makes its way to the low line? No leak under car? Any ideas? I refilled to full with Subaru coolant. : r/WRX Coolant reservoir slowly makes its way to the low line? No leak under car? Any ideas? I refilled to full with Subaru coolant. : r/WRX](https://i.redd.it/00u0os39cfo91.jpg)