I agree with tjw7676, just remember to get two new clips along with the o-rings . They are aluminum made and are kindda hard to remove them I had to cut them off when I replaced the o-rings in my s60. It's a good idea that once you remove the heather hoses in the engine compartment to put some compr...

The best way I found out to replace the alternator is by removing the radiator fan, then move the alternator all the way to the left side of the vehicle (by the air filter) and then you might need to turn the alternator in such way to pull it out, to install it just go back in the opposite way.