Chevrolet Celebrity Heater

Heater Problem 1989 Chevy Celebrity 6 Cyl Two Wheel Drive 127000 Miles I Smell The Coolant While I Drive, Figure It Be Heater Core...

I Have This Car That When I Turn The Heater On, It Just Blows Cool Air. Sometimes It Will Get Ever So Slightly Warm But Most Times Just...

My Heater Doesn't Blow Anymore But At Times It Sounds Like It Is Kind Of Running Under The Hood. What Part Do I Need?

Were Is The Heatercore Located And How Do I Change It Or Can I By Pass It. There Is Anti Frezze All Over The Floor Board.