Why do I have oily film on windows no leaks anywhere and when I turn on max ac it blows warm air. Do I have air pocket, bad thermostat,or is it heater core

Why do I have oily film on windows no leaks anywhere and when I turn on max ac it blows warm air. Do I have air pocket, bad thermostat,or is it heater core 2 Answers

Just changed thermostat and flushed radiator. I let it warm up to operating temp. radiator never cycled. Heater no hot air. 5 Answers

Plan on back flushing heater core. Would heater core clog prevent it from cycling. The heater does not blow hot air. I smell no antifreeze and there is non leaking of antifreeze on floorboard. Any tho...

i have my ford expedition xlt.... i already changed the spark plug fuel pump cleaned fuel filter and still i felt the rough idle...what should i do? one thing that i haven't change is the fuel filter... but i already cleaned it by the use of air compressor. when i started the engine the rpm goes up and down and then stall 4 Answers

i have my ford expedition xlt.... i already changed the spark plug fuel pump cleaned fuel filter and still i felt the rough idle...what should i do? one thing that i haven't change is the fuel filte...

I have a 1997 Ford Expedition and the heat just stopped working. All the lines are getting warm but theres no heat. I replaced the heater core and the thermostat. What could it be? 5 Answers

All the fans are blowing and it works in every position except heat. Could it be the water pump?

My ac started making a clicking noise... what is going on? how do i fix it? 2 Answers

When i turn my car on... there is a clicking noise coming from my AC unit. It stops eventually but i want to fix it before it gets worse. What is causing this issue and how do i fix it?