Had a puddle when warm, from the drivers side front (coolant leak as discoloured the drive).
Common problem so took the wheel off with it facing as far right as possible, then, If I recall, 7 screws to remove the plastic cover of the inner wheel arch (torxs)
Bottom of the 2 pipes were the problem on mine
The 2 ends of the pipe means you will need a big bucket to catch all the fluid,
There will be a something like a 3mm wire cir-clip that retains the hose, one at each end, make sure it is well clear or take it off all together, its easy to get back on.
then just pull the hose off and get wet.(image)
The leaking end had been bodged before so was I had to wiggle for a while, don't forget the car is on jacks so don't pull too hard.
then release the other end, I must have releases a good 3 litres of coolant out of the car.
The new hose (image) is apparently silicone based, and I read that you are not to use silicone lubricant on silicon hoses?
So you will have to decide on what to put on the hose to aid insertion.
Clean everything as much as you can, then push the new hose and put back the clips on both ends (test pull to see if well located).
With the Gen2 (might be cayman and boxster the coolant refill should be done with a full drain as per other tutorials, but to refill and bleed you have to remove the engine cover and find the
bleed valve as per image. not in the boot as gen1( as I understand)
Check for leaks