[Westtg]

My 2005 WK GC has started blowing cold air with the temp set on hot. Any ideas why?????? I can still move the air around from feet to face but it never warms up.

 

[hummer recovery team]

Low coolant ? Heater core blend doors

 

[Westtg]

coolant is good, seems to be pointing to blend doors, didn't know if WKs had similar problems as WJs. Mine has 88k miles.