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I need to check the freon charge on my 2004 F350. Is the charging connection located on the top of the accumulator?
Looking under the hood in the rear left corner, I see two hoses coming out of the top of what I am calling the accumulator. There is also a charging connection that has a plastic cap on it there. Is this the proper place to connect the charging hose?
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Depends on the year. Cars in the early 90's used R12. Anything later uses R134a. The size of the charge ports will define the R134a port. An adapter is needed to fit on the charging hose. R12 requires no such adapter. Ther charging label under the hood will tell you what refrigerant is needed too. Since you failed to give enough information on what make and model car you have, a general answer for the location of the low pressure port will be given. On the compressor, the larger diameter hose connection is the low side. Connect there, or look for the drier/accumulator (Large diameter silver container near the firewall). Connect there. You will need to access the AC information label under the hood to determine how much freon to add to the system.
usually the service port is located on the accumulator. this is the big can looking silver thing under the hood. although i dont recommend just throwing freon in it without the proper gauges to monitor the high and low pressure. you can damage the compressor and components. if your leaking freon having it repaired is more logical then adding freon and having it leak out again. hope this helps
sounds like an over draw on system
computers need min 10.5 volts to stay alive (working) other wise they shut down
i would start by charging batteries fully and disconect from vehicle for 24 hr
then re check before hooking up if they staied charged batteries are good
then hook up bateries negatives then hook up a voltage meter to performed a parasedict
test other word in series to positive cable on wire and other to battery positive if draw is high
on meter start removing fuses on at a time until voltage on meter drops
you have know located source of draw that is killing batteries know diag that problem
ex . under hood light staies on........glove box stays on.......aftermarket stuff inproperly conected
good luck
The AC is charged with R134 refrigerant through the low pressure side of the system, the charging port is on the Accumulator/Receiver Dryer, this is a round canister under the hood on the drivers side near the rear of the engine bay. Below is a picture of the Accumulator so you can ID it.
Find a big bike tire looking cap under the hood connected to a hose/pipe assembly, unscrew that cap and that quick charge fitting is where you put the freon at. That is the low side charge point.
Look for the ac compressor,and locate the large ac line coming off the ac compressor.Follow it until you come to the ac charge port.this is where you charge it up with a charge hose that you have.Put the can on the can tap,and the quick connect to the ac port on the ac.Turn the t handle on the can tap clockwise until all the way down.hold the can upside down.start engine and turn the ac on high blower.and recirculate.shake can lightly,until the can empties.Turn the t handle counter clock wise,almost all the way out,and remove the can .Repeat to add another can,Don`t put too much freon in,and add ac oil also.If it lost freon,it lost oil,failing to do this could cause the ac compressor to lock up.One 4 oz can will be fine.look for the large ac line to get cold,and the accumulator to get real cold,then stop with the freon.
your charge port is under hood on the line going to accumulator.look for black or blue cap with the letter L on it.WARNING BESURE TO WEAR SAFETY GLASSES.
Follow the large tube/hose coming out of the dash to a large aluminum canister that then has a hose or tube that goes to the compressor. It is probably located on the side of that canister (the accumulator) under a little blue screw on cap.. WEAR EYE PROTECTION AND GLOVES WHILE HANDLING REFRIGERANT!
It is located under the hood in the larger of the 2 AC lines, this large line is the low pressure line, also check on the round can the low side line connects to as it can be on that as well, that part is called the Accumulator/reciever drier
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