01 2500 ac problem

I have a 2001 2500 w/ 6.0 4x4. I am experiencing a problem with my a/c it blows cold front and rear but if you are sitting at an idle and turn it on it seems to load the engine more than normal or if I accelerate the belt jumps really bad then also on decelleration it does the same thing.I have changed the idler/tensioner assemby and installed a new belt. I bought a can of refrigerant with a gauge and hooked it up and it shows good at 45 psi on the low pressure side. I do not know what the high pressure side reads. I am thinking it has to be something in the commpressor like bearing maybe any thoughts would be great.

Did you put the can in it?

You can not check out a AC system with the one hose one gauge wall mart deat kits.

We need the low and high side readings at idle and at 2K rpm with compresser running.

Post back them readings and some one will help you.

You need one of these.http://www.ackits.com/merchant.mvc?Screen=CTGY&Store_Code=01&Category_Code=RefrigerantGaugeSets


Wal Mart DEATH KITS

You cannot properly and safely recharge an air condition system with them.

The one side stop and go gauge does not tell you what your system is doing or is over charged or undercharged.
A overcharged or malfunction air condition system can reach over 500 lbs of pressure.
Enough to blow up that can or system and freeze you at first and the burn you or blind you and if any propane /butane in there blow and light you up.

The stop leak crap and who knows what kind of oil in the kits there will stop your system for sure.
Just like pouring super glue in it.
And some kits even contain freon with a butane mixer.
Good for a big blast.

If you are going to do it do it right and safe.
Here is what you need to start with.
http://www.ackits.com/merchant.mvc?Screen=CTGY&Store_Code=01&Category_Code=RefrigerantGaugeSets

In the older days you could just throw in a can and go.
But over the years just adding freon is getting harder to do.
Newer systems have to have the correct amount of freon down to the ounces.
Most will need pumped down and vacuumed down and the right and amount of oil and a set amount freon charge installed to get the air to cool right and the system to last.
If an air condition is low there is usually a leak that needs fixed and also a lose of lubricating oil from system.
Also air and moisture enters a low system
If you are going to try to do it get the proper type air condition gauge set with the low and high side gauges.
Hook up the gauges and get a reading with compressor running at idle and at 2000 rpm on the high and low side.
Post back pressure reading and we can help you.
MT

there are two bearings in the a/c pulley one if bad will rumble when the a/c is on. the other will rumble when the motor is running and a/c off. you can take the belt off and see if the pulley wobbles and grabs as you spin it.this bearing if it locks up it will burn the drive belt off or break it.