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    VWVortex


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    Thread: A/C Recharge Port???

    1. 05-18-2010 08:01 PM #1
      Hi,

      I'm having trouble recharging the a/c on 2001 1.8t.

      I've located the high pressure valve near the hoodlatch.

      I think i found the low pressure valve, but the adapter from the can of my R134a will not go over the valve. I am referring the big valve (black cap) on a smaller aluminum tubing coming from what I'm guessing is the evaportater? I have no idea though.

      Is an adapter necessary for this, the recharge kit was bought at an Autozone?

      Where is the low pressure port?

      Thanks so much!

    2. Member GingerVR's Avatar
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      05-18-2010 09:15 PM #2
      Have you had your AC system properly evacuated and vacuum/ pressure tested? If not please do. AC work should really only be done by a certified technician. Yes you can buy those kits, but they will almost always do more harm than good. Not trying to be a douche, I just don't want people to end up paying MORE after screwing their ish up. Cheers

    3. 05-21-2010 12:04 PM #3
      I'm going to if the system is low, but i still have yet to find the low pressure port reading. I have the gauge, just don't know where it is, or if the one i found is correct.

      Thanks for your input. Where is the port?

    4. 05-21-2010 12:15 PM #4
      its right behind the passenger side headlight. can't miss it. gl

    5. 06-13-2010 10:24 PM #5
      Where does the A/C recharge port located on a 2000 Jetta? I found a port right next to a passenger headlight as indicated on the pic below, unfortunately I couldn't get the recharging hose to click in...

      Do I have the right A/C recharge port? See pic below, headlight is at the bottom of the image.


    6. Member sdavis872's Avatar
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      06-13-2010 10:27 PM #6
      The one up front is what I used (successfully). The one towards the rear was too big (which usually means it's the high pressure side).
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    7. 06-13-2010 10:32 PM #7
      Are you talking about the silver one right in the middle of the picture? I tried to clamp the hose on it, but only had a bunch of liquid spray out. I wasn't sure so I wanted to confirm. You can also see the hose I was trying to connect... Any recommendations?

    8. 06-14-2010 06:11 PM #8
      bump

    9. Member sdavis872's Avatar
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      06-17-2010 05:50 PM #9
      Yes, the one pictured (with the cap removed). I've gotten bad recharge hoses that instead of filling up the system, it just let it all leak out slowly. Then I had no ac. I'd try getting a different hose. Or make sure you are using it right, the one I just used was like an air-compressor connector, where you have to pull the collar up to get it on.
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    10. Member jazzcat2001's Avatar
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      06-17-2010 06:24 PM #10
      the other port is back by the rain tray...if you can't get gauges on you really should pay someone else to deal with it
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    11. 06-23-2010 10:35 PM #11
      I was able to get the hose on, I guess I was afraid to apply the right amount of pressure. At first I thought the gauge measuring the internal pressure was broken, but it was actually moved the needle all the way to the max. I tried to fill the R134a liquid into the system but nothing went in... I know I let out a bunch of air and greenish freon trying to get the hose from the R134a on.

      When I disconnected everything from the car I pressed on the valve on the R134a hose and the gauge dropped back from the max to zero...

      What am I doing wrong or what do you feel is happening with my A/C system?

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      06-23-2010 11:04 PM #12
      what is the problem that your trying to fix? have you hooked up a gauge set already? without pressures its almost impossible to even say its low on freon. it could just be a bad compressor
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    13. 06-24-2010 12:08 AM #13
      Last summer A/C was working but was blowing really cold air on the highway. The problem now is my A/C blowing hot air. I thought a charge of R134a would fix the problem since when I turn the A/C on I hear the compressor engage...

      Any ideas, I guess I'll just have to take it in to a shop.

    14. Member dubchuck117's Avatar
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      06-24-2010 12:34 AM #14
      the valves on the hoses have to be closed when youre connecting them. otherwise youll get what happened to you

    15. 06-24-2010 06:24 AM #15
      The valve on the refrigerant hose was closed, I attached the can, punctured the hole and then opened the valve. When I opened it, nothing happened...

      Can you please explain what I did wrong?

    16. Member dubchuck117's Avatar
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      06-24-2010 10:28 AM #16
      Quote Originally Posted by NYJettaGUY View Post
      The valve on the refrigerant hose was closed, I attached the can, punctured the hole and then opened the valve. When I opened it, nothing happened...

      Can you please explain what I did wrong?
      did you open the valve to the lowside port?

    17. 06-24-2010 12:13 PM #17
      I was not aware there's a valve on the car that needs to be open. I charged up my mom's 2005 maxima last week, just hooked up the can to the low port side, opened the valve on the can and off the liquid went right into the A/C system.

      Where do I find the low port VALVE on the car? Please take a look at the picture in this thread I took of my car and once again thanks for your help.
      Last edited by NYJettaGUY; 06-24-2010 at 12:18 PM.

    18. Member jazzcat2001's Avatar
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      06-24-2010 01:20 PM #18
      Please take it to a shop or hook up proper gauges and report what they are doing

      Let the shop know if the crap you tried putting in had any sealant in it
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    19. 06-24-2010 03:16 PM #19
      if the a/c system in your vw is low on freon, the compressor won't turn on due to the pressure sensor.
      you cannot assume that the system is low just because it won't put out cool air. you are going to end up with a $1000 repair bill if you don't start listening to people.

    20. Member dubchuck117's Avatar
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      06-24-2010 03:40 PM #20
      Quote Originally Posted by NYJettaGUY View Post
      I was not aware there's a valve on the car that needs to be open. I charged up my mom's 2005 maxima last week, just hooked up the can to the low port side, opened the valve on the can and off the liquid went right into the A/C system.

      Where do I find the low port VALVE on the car? Please take a look at the picture in this thread I took of my car and once again thanks for your help.
      I'm trying to help you but these guys are right. Just take it to a shop

    21. 06-24-2010 03:59 PM #21
      Your a/c system should never be low on refrigerant, the only way that it could be low is if you have a leak. If that is the case you need to repair the leak before you can successfully recharge the system. Best option if you don't feel like buying test equipment is to take it to a local shop.

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