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Jason
Dodge Dakota
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7/05/2002
21:12:18
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 Subject: recharging A/C
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anyone ever try this before? I tried one of the DIY kits and the hose didn't fit properly on the nozzle...
I'm sure the dealer charges an arm and a leg for this and I am mechanically inclined and would like to do this myself. Any ideas/thoughts/comments?
thanks
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helton
Dodge Dakota
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7/06/2002
01:32:31
|  RE: recharging A/C
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What year do u have? I have a '98 and from empty it takes 2lbs. (2 cans) and make sure that u are putting the hose on the one on top of the engine. It only works one way. Best way to do it is:
1. screw the hose on the can, but don't puncture it yet.
2. hook the hose onto the nozzle on the top of the engine
3. turn the engine on and turn the A/C on HI.
4. twist the needle all the way down on the top of the can, then back it all the way out.
5. hold the can a little at an angle, and let it run for about 2-4 min. or until your sure that the can is empty.
6. put the other can in or if you think it's cold enough go ahead and put the OIL in.
That's about it. Pretty easy. But make sure that after a few weeks it stays cold, or you may have a leak.
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Douglas
Dodge Dakota
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7/06/2002
06:38:54
| RE: recharging A/C
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What is the best way to determine if you have a good charge. i have a brand new (less than two months old) dakota, and the A/C is not cold. i dont have time to drop it off at the dealer for a day.
thanks
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LOGIC71B
Dodge Dakota
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7/06/2002
09:24:04
| RE: recharging A/C
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Douglas,
Stop by one of your local auto parts stores, or a shop that will test the a/c pressure for free. If they tell you it will take more than 10 minutes, then they don't know what they are doing.
A buddy of mine runs an A/C company and he was kind enough to check my system. I thought I had a leak but come to find out it was just the way the new a/c system runs. It took him less than five minutes to hook up and get the system running and look at the gauges.
Some parts stores, and shops will do it for free.
Logic71B
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Steve H.
Dodge Dakota
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7/06/2002
13:26:49
| RE: recharging A/C
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Most reputable shops DO take more than 5-10 minutes to check your a/c. They check not only the pressures but also the temps & if all the modes are working inside the truck. They also leak check the whole system. And they use a refrigerant identifier so they know what is inside your a/c system. Ever hear of an a/c with hydrocarbons? That is a polite way of telling you the system has any explosive material inside. Anybody that does it in 5 minutes did NOT check everything. Newer trucks use a different refrigerant than older trucks. Make sure before you install the wrong stuff & lock up the compressor.
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n8 dawg
Dodge Dakota
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7/06/2002
14:08:39
|  RE: recharging A/C
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i got my a/c charged last year...then again this year it hasnt been working good......it is cool but doesnt get as cold as it should......the shop i take it to said my pressure was too high? they said it "shouldnt" hurt it....my shop charges me $45 for a/c charge...and they inspected it this year for free and said it wasnt leaking just the pressure was a lil high. but they didt adjust the pressure
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helton
Dodge Dakota
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7/06/2002
14:56:03
| RE: recharging A/C
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Yeah, with yours being that new, definitley don't do it yourself or you could blow-out the o-rings and gaskets by over filling it.
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Dale
Dodge Dakota
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7/07/2002
02:05:49
| RE: recharging A/C
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I noticed my a/c got colder buy putting in a 180 stat, and removing the rubber flap in the grill. It keeps the engine compartment colder, which inturn helps keep all them lines etc. from getting hotter. It surprised me, but it worked.
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Jason
Dodge Dakota
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7/13/2002
23:29:08
| RE: recharging A/C
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mine is a 97 sport V6, 5 spd...
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Dak94
Dodge Dakota
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5/30/2003
12:54:27
| RE: recharging A/C
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RE:helton's post mine is a 94 v6 and the low press side is on the pass side inner fender not on the top of eng.The connector should not fit the high side anyway.The low press side is where you must add the freon.Bought the interdinamics recharge kit for 29 bucks comes with a gauge so you will know how much r134 to add
.Worked like a charm for me
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mhall02
Dodge Dakota
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5/30/2003
16:00:51
| RE: recharging A/C
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I used the Interdynamics retro-fit kit as well on my 1991 ($33 at Wal-Mart) and it works great now, had all of the oil and moisture sucked out and added the stuff from the kit (oil, freon, stop leak). Nice and cool for the last month or so, hopefully it will hold out for the rest of the summer and then some. That 134a is a lot cheaper than R-12 and yes the kit comes with a nice pressure gauge to let you know how much is in there.
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kasey
Dodge Dakota
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7/05/2003
17:16:35
| RE: recharging A/C
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what if the hose from the compressor to the accumulator(?) back by the firewall blows off at the accumulator?
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Jon
Dodge Dakota
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7/05/2003
22:42:31
| RE: recharging A/C
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Recharging yourself is a bad idea, you can't really tell the state of charge just by pressure alone. You really need to pull all the old refrigerent out of the system, evac it to suck out all the water, then recharge it and check for leaks. If you had a leak that you fixed you need to add oil. The home recharge kits have a certain amount of oil mixed with the refrigerent. If you add to much oil your a/c won't be as cold as it could be. You could have something simple like a stuck closed blend door under the dash and put a whole bunch of refrigrent in the system and blow the relief valve.
-Jon
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randy niznick
Dodge Dakota
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7/06/2003
02:16:05
|  RE: recharging A/C
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Hey Doug,
I am a HVAC service engineer. I have noticed that the new refrigerants do not cool as well as the old R-22 systems, this may be why you think your A/C needs a charge. Now, if it is not cooling at all, then there is obviously a problem. It seems weird that it is only 2 months old, and you suspect refrigerant loss, it should be covered on your warranty.
Just me 2 cents worth.
Randy
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