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How to: 2nd Gen NO AC ( or heat) FROM VENTS!!! A "How to" what to look for thread

Discussion in 'A/C & Heater systems - HVAC' started by Turdle, August 9, 2007.

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    1. celly

      celly disturber of the peace Elite Explorer

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      Not really that hard. People yank them out every time to add aftermarket air intakes. Takes some leverage to pop the airbox out, but once it's out, the orb is dead easy to get. I think the fender liners are a pain to remove, at least the main one (the smaller splash guard is a piece of cake, but it doesn't give good access to the orb).
       
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    3. Dino61

      Dino61 New Member

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    4. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      Okay Celly, you've done it more than me so I'll take your word for it. I think the front edge of the fender liner would come down easily if the front 3-4 screws are removed.

      Ford makes a good puzzle, better than any 10,000 piece puzzle. LOL,
       
    5. celly

      celly disturber of the peace Elite Explorer

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      Don, I watched Jon and Eric struggle with the fender liners after the header install last summer. I've never done it personally, but after replacing my orb last summer, I know how simple it was with the airbox removed as it's right below it. Of course, the only real challenge with the airbox is getting those two pins out of their holes the first time. I used a big screwdriver to get good leverage. Of course, I now have an aftermarket intake so it's easier.
      Posted via Mobile Device
       
      Last edited: June 13, 2010
    6. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      Yes I know how much hell the back part of the fender liners are. I've swapped mine in and out 2-3 times. The front isn't so bad, but I also recall how much the air cleaner was tough to get those two pins to let go the first time.

      Also,if the vacuum ball does have to come out, you have to pull the air cleaner to get to the nut. So pull the air cleaner and see how the lines etc are. Unless the vacuum ball has water in it, the lines are usually the problem.
       
    7. celly

      celly disturber of the peace Elite Explorer

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      Agreed (re: access to the nut). I think my problem was I didn't realize that on my year ('99) the orb has two lines and it doesn't work if you get them backwards. That may have happened when the headers were done and the orb reinstalled because I notice my vents were wacky when I drove Eric up to Topeka. When I got home to Calgary eventually, I tried some other attempts at cleaning it and destroyed the orb with compressed air. My lines were perfect. A new orb from a Ford stealership and I was back in business.
       
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    8. Dino61

      Dino61 New Member

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      Thanks again for the info, Ill try the air box method I think...
       
    9. Tinmania

      Tinmania New Member

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      Thanks!

      Well I would like to thank everyone here for this thread. My air was only blowing through defrost and I was going crazy trying to figure it out. It has been around 115 here so trying to rely on defrost for a/c was not cutting it.

      Thanks to this thread, and others on this same site, I was able to find the problem.

      My issue, as it turned out, was not vaccuum-related. But by reading this thread I was able to get a good understanding of how the climate control system works. I looked for low hanging fruit first... but no disconnect vaccuum lines. And there was good vaccuum coming into firewall--so that eliminated a LOT.

      Then while I was under the passenger side dash, looking around--in 115 degree heat I might add--I turned truck on and turned on air. I noticed that I was actually able to get all air to floor, or all air to defrost, or mixed. So I knew, by studying the diagram of the vacuum circuit in this thread, that the only thing not working was the panel/defrost door.

      So I traced the red vaccuum line to the panel/defrost vacuum motor, and found the bar that is supposed to connect to the panel/defrost door's shaft was hanging loose. I then saw that the part of the panel/defrost door shaft that was supposed to connect to the motor's moving bar, was broken.

      So I moved the shaft manually and voila.... AIR out vents. Keep in mind this is hottest time of year.

      I was too hot to attempt permanent fix, but noticed the door stayed in vent position even when truck turned off, then back on, or any change in selector knob. Since I am in Arizona I dont think I have EVER used defrost, so right now that is acceptable. If I DO need it before I get in with more permanent fix it is 1 min to drop glove box door and move the panel/defrost door over to defrost again.

      So thanks again for this thread...

      And after finding what was wrong with my truck I found this thread too... In case someone else with my problem wanders in:
      http://www.explorerforum.com/forums/showthread.php?p=1769983#post1769983

      The guy who started that thread had EXACT same problem as me.




      Michael
       
    10. blklegend

      blklegend New Member

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      What do you guys do to fix the lines? Mine melted..

       
    11. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      New lines would be good if available, but using normal rubber vacuum lines is fine. The key for that is finding the end connectors to fit the lines. Sometimes they can be found at parts stores.
       
    12. Keeper0311

      Keeper0311 Well-Known Member

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      Welll after getting a new globe, and installing it, my air still wasn't blowing through the dash vents. Traced all the lines, and everything. Until I read this post, it never occur to me to try switching my lines.

      Thanks for the help guys.
       
    13. song46bird

      song46bird New Member

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      hi guys, responding to thread about blower vents going to defrost. mine does this but when i let up on the gas it starts to come out the vent, i hit the gas and it goes to the defrost again. The gray vaccum tube was off and i got that back on but still have the problem. Is this a vaccum problem or what? thanks
       
      Last edited: September 8, 2010
    14. Sparta

      Sparta New Member

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      Hey guys.I drive a 97 ranger 3.0 v6. My air only blows out of the defroster no matter what setting.I have good vacuum pull untill i get to the harness that connects to the switch ive replaced both the switch and the hose harness with new parts and the same problem has happend, a hissing between the hose harness and the switch,ive gone to junkyards replaced the two and have had the same problem.Is there any information i could be overlooking?Any hepl would be appreciated.
       
    15. loadedride

      loadedride New Member

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      Alright guys I need some advice on my AC problems. I'm getting the typical air from the defrost/floor vents, but can't seem to fix it given the information I've search on this forum. I've checked for vacuum leaks, checked the vacuum resevoir for water or rattling, looked for any disconnections, and haven't been able to fix the problem. I've manually opened the defrost door with the air on front vent mode and notice that it doesn't change anything (not sure if it should). I've plugged and unplugged the vacuum connections at the HVAC controls and where it leads to behind the glove box (didn't notice any suction from the colored hoses). So this leads me to a blank, and I need some advice on where to take this. Thanks in advanced

      Oh, and this is on a 2001 Explorer Sport
       
    16. Heuster

      Heuster Member

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      I've searched all over for this globe and can't find it. Any chance any of you have purchased online and could throw out a link to get it?
       
    17. Monster Rain

      Monster Rain New Member

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      Hey guys. I'm brand new to the forum, so if my question was already answered here, I apologize.

      I have a '98 ford Explorer Sport that stopped blowing air out of the front half of the vehicle. No defroster, floor or vents. But the vents for the back seats work fine, and turn on/off with the front control panel like they're supposed to. Any ideas? Is this most likely a tube break or melt?
       
    18. celly

      celly disturber of the peace Elite Explorer

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      I got mine brand new at a dealership. Surprisingly, the price wasn't bad either. They didn't have in stock, but had me one in a few days.
       
    19. Wade99

      Wade99 New Member

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      Absolutely INCREDIBLE. Not only a section for AC/HEAT/HVAC, but I find my answer after registering here on this site in 20 mins. Maybe I can quit freezing out my windshield now and actually cool myself. Thnk u!
       
    20. Monster Rain

      Monster Rain New Member

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      Mine's still busted. Nothing I read here referred specifically to my issue, and I got no response, either. Maybe I missed something, but I doubt it.
       
    21. Turdle

      Turdle I bake stuff Staff Member Moderator Elite Explorer

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      You issue seems to be blower related.

      If you have the electronic HVAC panel there could be an issue in there.

      There is a blower resistor to check, and a blower rely under the hood.

      According to my first post however, this is not the thread for you. Try searching for heater blower resistor
       
    22. Monster Rain

      Monster Rain New Member

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      Thanks a lot, man. I'll check it out first thing tomorrow.
       
    23. Sparta

      Sparta New Member

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      your problem might actually be the red vacuume line that leads under the dash behind the glove box.thats where my problem was.i heard the hiss at the switch replaced it 3times and the hose line leading to the junction behind it and it didnt work.I pulled on the red line and it came out i then cut both ends to be smooth (the other end is up above the brakes and behind the radio to get to it you might have to be upside down like i was) but i then took a windshield washer line and 2 vacuum connectors put it all together and duct tape the connections (behind the radio so you can get to it.
      Sorry if its difficult to read but nowhere and nobody else seemed to have this due to the fact my ranger was parked in a field broken down for 5+ years
       
    24. Monster Rain

      Monster Rain New Member

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      No, I understand what you're saying. I'm not exactly a wiz when it comes to cars, so it would be nice if it was something like that. I'll reply to this thread when I finally get to checking it all out, if I have any luck figuring out how to get at these things. Thanks a lot, and I appreciate the help, guys.
       
    25. Forrest12

      Forrest12 New Member

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      Stuck in Defrost

      My AC is stuck in defrost.Does the 2005 have a vacuum reservoir and, if so, where is it located? Thanks.
       
    26. bogeyoh

      bogeyoh New Member

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      Vacuum resevior location in 2002 Explorer 2wd

      The location on my neighbors 2002 Explorer 2WD is under the dash next to the blower. Its capsule shaped, about 3" diameter. The black vacuum hose connects to the end of it. If someone kicks this line off, the vents do not work.

      This is a 60 second repair to plug the rubber T-connection back into the end of the cannister.
       
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