![How to clean cylinder head and engine block contact surface before gasket change? - Motor Vehicle Maintenance & Repair Stack Exchange How to clean cylinder head and engine block contact surface before gasket change? - Motor Vehicle Maintenance & Repair Stack Exchange](https://i.stack.imgur.com/TcAjp.jpg)
How to clean cylinder head and engine block contact surface before gasket change? - Motor Vehicle Maintenance & Repair Stack Exchange
![Trying to clean up head gasket surfaces.. are these rough areas fine- or will this block NEED to be decked? New to this. : r/EngineBuilding Trying to clean up head gasket surfaces.. are these rough areas fine- or will this block NEED to be decked? New to this. : r/EngineBuilding](https://preview.redd.it/a61lqlhfyk861.jpg?auto=webp&s=a341668836c17e3d244dd24d7b381cc06eb1f38d)
Trying to clean up head gasket surfaces.. are these rough areas fine- or will this block NEED to be decked? New to this. : r/EngineBuilding
![One is approved by Subaru for removing old head gasket material from the gasket mating surface, and the other has a GM TSB stating not to use it for gasket removal near One is approved by Subaru for removing old head gasket material from the gasket mating surface, and the other has a GM TSB stating not to use it for gasket removal near](https://external-preview.redd.it/34jxn6GcE99rM4QZAHP83_wOKWKcvNqyD-A8s5S-NHU.jpg?auto=webp&s=1cd732d4c997e70f3636f423eb34d74d1084c78b)
One is approved by Subaru for removing old head gasket material from the gasket mating surface, and the other has a GM TSB stating not to use it for gasket removal near
![How to Clean Engine Block Surface For MLS Gaskets? - Motor Vehicle Maintenance & Repair Stack Exchange How to Clean Engine Block Surface For MLS Gaskets? - Motor Vehicle Maintenance & Repair Stack Exchange](https://i.stack.imgur.com/dAxjD.jpg)
How to Clean Engine Block Surface For MLS Gaskets? - Motor Vehicle Maintenance & Repair Stack Exchange
![Sealwel Cooling System Cleaner Sealer Lubricant Welsh Plugs Radiator Head Gasket 9413000009064 | eBay Sealwel Cooling System Cleaner Sealer Lubricant Welsh Plugs Radiator Head Gasket 9413000009064 | eBay](https://i.ebayimg.com/images/g/nioAAOSwjUZioFQK/s-l500.jpg)