Hi Folks has anyone any hints on getting the fan & viscous coupling off my disco...have got the right spanner etc but it doesn't want to budge any ideas???

Hello am 1/2 way through putting a recon radiator in my 96 disco v8i Auto do the oil feed pipes need "o" rings when re-connecting the back to rad? as i didn't take these pipes off i don't know if there were any on in the first place! the auto transmission cooler pipes have them on. The other...