tips already provided here on how to do the job you asked about so here is another tip to help prevent future leaks due to excess crankcase pressure.

remove the large dimaeter flame trap hose and remove the plastic piece which all the hoses slip on to.

remove the circular plastic disc inside this fitting that all the tiny holes drilled. throw it away and re assemble everything then go about your business.

the light brown disc is what gets tossed

https://www.eeuroparts.com/Parts/4287/Flame-Trap-Kit-1389657L/

never heard of a fuel injected car backfiring which is what this disc attempts to prevent and the crankcase pressure will almost never become excessive with this easily clogged disc gone