I think I got some more air out of the heater core. Actually squeezed the hoses that go in and out of the heater core at the firewall to force air out. Even with incline it didn't produce any bubbled until I did this. Going to take a test drive now.
I'm having a similar issue on my 01 minus the high coolant temps. Drove 120 miles on the highway in the last couple days at the lowest temps we've seen so far this season. 15-25 degrees. Almost no heat at all out of the front....rear blows hot. Given the rear works and coolant temp on...
