NO HEAT!!!!! Help!!

[trevor510]

well like a week after i first posted, the heat decided to start working again. but it would only work when i first started the car, if i started it then went and got gas or something the heat wouldnt work when i restarted it. as of 2 days ago im back to no heat. But, looking under the hood the other day i relized the heater control valve wasn't opening. so i manually pulled up on it and volla, heat. but... it wont stay open. when i let go it just closes back and its not easy to open. i messed with it for bout 1/2 hour but it wont stay open, and i have a blister on my finger. do i just need to replace that controle valve (crossed fingers) or is it something electronically telling it not to open. oh, and yea it does make that weird rushing water sound, and all this time i thought that sound was normal, lol. thanks in advance for your help guys.