You might get by with just using an additive that may or may not stop your leak . I believe Lucas has a power steering additive that I've heard some guys have a pretty good success rate with . Check your local auto parts stores to see if they carry Lucas products . I don't condone additives but some...

If the fluid in the pump is dark and burnt smelling then renewing the fluid will help .

Often just pumping the fluid from the PS pump and replacing it several times over time will replace most of the fluid . I have used Amsoil for this on all my vehicals and it really works well . Any other approved fluid would do the same but synthetic will hold it's own better in cold and heat . I us...

Running a tire flat or hitting curbs or pot holes can cause this too .

Shame but in the end worth it if it runs a long time . Is the head a rebuilt from a local machine shop ? At least you'll have new valve seals now too which is a good thing . Make sure the PCV system is gone over and done correctly . !

I'm confused , she said the heater (fan?) wasn't working when it was cold . Is there and actual bad air leak into the car from the roof that actually makes the car cold ???

Got to love Volvo with the easy to repair heater systems

Not to be smart and I'm only teasing when I say this but tell that BF of yours you have done all the research (the hard part) so he had better get "un-busy" and fix your car !!

May not be the coil that's bad , it might just need new wire(s) and it could also be your spark plugs are ready to be replaced too (higher resistance will cause arcing). Sometimes just using some silicone grease in the wire boot will help stop arcing . You will generally find that if your car has hi...

Sorry you took it wrong . My intent was it may be best your BF get the info first hand or become involved in the discussion so we can pick his brain and get his findings to try and solve the problem. Sometimes when passing on 2nd hand info the meaning gets lost . Anyway....good luck , I'm outa this ...

This is another item I want to look after before swapping out the engine . Heck of a lot easier when it's out .