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In a previous video https://youtu.be/vCZ9NgV2ONk I showed you how to diagnose a vacuum operated Ford HVAC system that would not change modes as it should. We were gonna take a trip to the pick and pull but decided to have a look at the inner o-rings first. Low and behold it was an easy fix for this customer.-Enjoy!
Ford HVAC System Stuck on Defrost: EATC Control Head Repair: https://www.youtube.com/watch?v=PtfucNa6R_o
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44 thoughts on “Ford heater – a/c not switching modes: the fix”
  1. Avataaar/Circle Created with python_avatars Daddy O says:

    You rule! I'm a master harley tech and really loved your vid, I learned a lot and laughed some too. Gonna check your other videos. Thanx

  2. Avataaar/Circle Created with python_avatars Michael Lorenson says:

    Thanks for the 'rubber grease' tip. There's a joke in there somewhere…

  3. Avataaar/Circle Created with python_avatars Hunter Maynor says:

    I know this is an old video but I figured I’d try my luck with a response. I’m going to change the O rings tomorrow, to see if this works. Will this effect the temperature as well? The air is stuck in defrost position, the blender functions as it should. it opens and closes when i adjust the temp dial. But It doesn’t change the temp, It’s just ambient temperature. It has fresh coolant and I don’t believe it is plugged up anywhere. Any help from anyone would be much appreciated.

  4. Avataaar/Circle Created with python_avatars Eddie Parker says:

    Your video is real life the way it is.
    Thanks

  5. Avataaar/Circle Created with python_avatars Dan Dunning says:

    A quick scroll of your videos shows more GM repairs then Ford? Shouldnt be making nasty remarks about Ford when GM's (appear) to be in your shop more then Ford's. Just saying.

  6. Avataaar/Circle Created with python_avatars Javier Jimenez says:

    Thank you SOUTH MAIN AUTO REPAIR.
    You've saved me about $500 dollars.
    I fixed it my self following your instructions and it worked.

    Thank you..

  7. Avataaar/Circle Created with python_avatars Shane Harrison says:

    2 bugs each

  8. Avataaar/Circle Created with python_avatars Shane Harrison says:

    Yeah it's tough to be ginger when you too much like fred lol but sometimes you have to swing for the fences then its hero time. Always a good idea to check the solenoids just to be thorogh

  9. Avataaar/Circle Created with python_avatars JavaMan says:

    Perhaps not so much leaky orings, but stuck. Adding some grease allowed them all to move properly.

  10. Avataaar/Circle Created with python_avatars Lyn Markuson says:

    Great video! I tor mine apart and fixed it in about 1&1/2 hours.

  11. Avataaar/Circle Created with python_avatars Charles Mason says:

    Do you have a Video on replacing the blend door actuator on a 2007 crown Victoria.? The O ring change video was great. It went well when I tried it but I suspect the potentiometer in the actuator is a sometimes item. I have a new blend door motor but access seems like a real trick to get to. I have enjoyed at least 2 dozen of your videos and have actually done three different projects as you showed me. All went well.

  12. Avataaar/Circle Created with python_avatars Brian Dryer says:

    Move the mouse, God doesn't help agnostics 😉

  13. Avataaar/Circle Created with python_avatars Wes Gagnon says:

    Going to bring my 1993 caddy Deville to ur shop I’ll pay you to do a video on it!! It would get a bunch of views because it’s the notorious e41 code. Had 2 different mechanics change the Hall effect sensor and I’ve tried repairing the wires. Love ur work so much I’m driving from Indiana !!

  14. Avataaar/Circle Created with python_avatars eighthof8 says:

    Got cramps in my arthritic fingers watching you repair the unit. Probably would have told the customer it'll cost you 7 Franklins for a reman with labor take it or leave it.

  15. Avataaar/Circle Created with python_avatars chris dunaway says:

    I know this is an old video but can I send you mine off my truck and have you do the same thing? How much would that cost me????

  16. Avataaar/Circle Created with python_avatars Bien Balajadia says:

    Best episode yet. LoL

  17. Avataaar/Circle Created with python_avatars dave mcddd says:

    Great video of a job well done! I don't think the failure was due to the O-rings leaking. I'm thinking the failure was the O-rings dried out and the solenoid didn't have enough power to move the stuck plunger. The stuck plungers therefore couldn't activate the vacuum lines.

  18. Avataaar/Circle Created with python_avatars rinuncular too says:

    The old fashioned cabled flap system to change the airflow direction seemed more reliable.

  19. Avataaar/Circle Created with python_avatars Hola! John Rodrigues says:

    I am curious why you didn't check the electrical function of the solenoids prior to disassembly and overing replacement. Beyond that those really small O-rings small pieces. I have the same problem in augmented by arthritis. I like watch me use chopsticks to eat rice! Whole other story.

  20. Avataaar/Circle Created with python_avatars KingRatt says:

    I wanted to go to pick and pull.

  21. Avataaar/Circle Created with python_avatars Rob C says:

    Virtually pornographic or is it just me.

  22. Avataaar/Circle Created with python_avatars Ty Bennett says:

    The Drs. Assistant is in the house! 😂

  23. Avataaar/Circle Created with python_avatars StopDropandLOL says:

    I’m jealous I love it when it’s windy.

  24. Avataaar/Circle Created with python_avatars Paul Cabana says:

    who else said "Don't forget the spring?"

  25. Avataaar/Circle Created with python_avatars Squirrel Killa says:

    Thats what she said

  26. Avataaar/Circle Created with python_avatars Franks Precision Guesswork says:

    Was anyone else yelling at the screen-"THE SPRING…THE SPRING"!?

  27. Avataaar/Circle Created with python_avatars Dixon Cider says:

    wish some woman in a pretty voice would say to me " I need you."

  28. Avataaar/Circle Created with python_avatars G.A. C. says:

    I have a hard time imagining a dealer mechanic making this repair. It is much easier seeing him replacing an entire unit.

  29. Avataaar/Circle Created with python_avatars Norman Teck says:

    Stay safe through the coming (Jan 20-22, 2019) snow storm.

  30. Avataaar/Circle Created with python_avatars Norman Teck says:

    Wilbert's is awesome!

  31. Avataaar/Circle Created with python_avatars Matt Wagner says:

    Uses rubber lube and then Nope, wrong. You're off one hole fella. You don't want that to do that in real life. Good job as always Eric.

  32. Avataaar/Circle Created with python_avatars MacCready says:

    Don't bend the donger

  33. Avataaar/Circle Created with python_avatars Gary says:

    Your a man of many talents…It's amazing all the stuff you can fix-not just cars.

  34. Avataaar/Circle Created with python_avatars Walter Shulas says:

    Sorry that was suppose to say hey Eric I hate spell check

  35. Avataaar/Circle Created with python_avatars TheAncientOne says:

    So, moral to this story. Always double check your rubber, leaks happen..

  36. Avataaar/Circle Created with python_avatars Cliff Medina says:

    Which model Autel Maxisys do you use?

  37. Avataaar/Circle Created with python_avatars Brett Hopkins says:

    Next brake video can you please show us the sandblasting process for the hardware contact points? I have never used a sand blaster before, so it would be interesting to see.

  38. Avataaar/Circle Created with python_avatars dan man says:

    wow learn a new thing today thank

  39. Avataaar/Circle Created with python_avatars Jim Master says:

    Does anyone know if a 99 GMC Jimmy have a vacuumed control valve like this ford has? I seem to have the same problem

  40. Avataaar/Circle Created with python_avatars Tony Griffiths says:

    Excellent. Into the unknown rode the 600 ! Fixed it though, very little bucking so you stayed in the saddle. Pffffft maybe I need to get out a little more !

  41. Avataaar/Circle Created with python_avatars Charles And Cars says:

    Totally relate … I drop the same stinking part 20 times and then forget to put something back in (spring) …. just so I can do it twice..

  42. Avataaar/Circle Created with python_avatars Preproto says:

    Agnostic work!

  43. Avataaar/Circle Created with python_avatars chris parenti says:

    Ivan has taught you well

  44. Avataaar/Circle Created with python_avatars delano62 says:

    We learn something new everyday.

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