Originally Posted by
wanta79
Pretty sure its the heater core now, flushed entire system really good and refilled. After it reached normal temp I felt the heater hoses to and from the core. The one going to the core was hot and the other was cold. Have one ordered, and it'll be in tomorrow.
Thanks to everyone for your help!!
Yes I would say it's your heater core. Years ago I had a chevy S 10 & had the same problem.
Good luck on the replacement.