I cleaned all PCV components. I don't see the point in replace them, I cleaned them following the VIDA procedure. After warming up the engine I couldn't see any smoke coming out from the dipstick, so I think it's OK.

Then moved onto the next task, replacing the crankshaft seal -I hope is just that and not something related to the oil pump... do them seals fail?
Anyway, when aligning the marks to remove the timing belt I found some play in the camshaft pulleys, especially in the exhaust one. Is this normal? I recorded a video: