2.5v6mark

hi all i have a cold 1995 2.5 v6 vectra and i would like help in locating the thermostat / housing i thought i was quite mechanicly minded until i opened the bonet and started looking for where housing was.Is it on the n/s/f of engine attached to the top radiator hose ?If so any tips on removing said item . You can post on here or if poss email me on mark.strongbow@sky.com any pics or downloads (haynes manual) much appreciated as I hate paying some one else to fix my car