Ac compressor compatibility?
Cargo Master
Joined: Aug 2003
Posts: 2,332
Likes: 442
From: Eastern Washington
Flushing is to TRY to remove contaminates from your failing system. Mainly pieces of the compressor that have grenaded into the rest of the system.
Since you are replacing the condenser (kuddos, good choice) and the discharge hose, that doesn't leave much to be flushed.
You've got almost the entire system.... have you thought about replacing the evaporator?
It does basically the same job as the condenser. Both will get coated internally and loose efficiency.
Since your so close to a compete renewal it would be pretty easy to spend a couple more bucks and have a new system. Evaporators dont commonly get serviced because they are typically very labor intensive, but I think It's not too hard on a SD.
EDIT: oh yeah.... they sell AC flush, not sure if it's anything other than denatured alcohol as Jason suggests. It does smell pretty bad so maybe it's something else. We have an apparatus to pressurize it into the component being flushed, then let it sit for a period of time, then blast it out with pressurized air for a while.
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Mountain Pass
Joined: Dec 2019
Posts: 155
Likes: 2
Your AC is a sealed system. Desert dust doesn't get in it. Similar to your Power Steering.... a sealed system.
Flushing is to TRY to remove contaminates from your failing system. Mainly pieces of the compressor that have grenaded into the rest of the system.
Since you are replacing the condenser (kuddos, good choice) and the discharge hose, that doesn't leave much to be flushed.
You've got almost the entire system.... have you thought about replacing the evaporator?
It does basically the same job as the condenser. Both will get coated internally and loose efficiency.
Since your so close to a compete renewal it would be pretty easy to spend a couple more bucks and have a new system. Evaporators dont commonly get serviced because they are typically very labor intensive, but I think It's not too hard on a SD.
EDIT: oh yeah.... they sell AC flush, not sure if it's anything other than denatured alcohol as Jason suggests. It does smell pretty bad so maybe it's something else. We have an apparatus to pressurize it into the component being flushed, then let it sit for a period of time, then blast it out with pressurized air for a while.
Flushing is to TRY to remove contaminates from your failing system. Mainly pieces of the compressor that have grenaded into the rest of the system.
Since you are replacing the condenser (kuddos, good choice) and the discharge hose, that doesn't leave much to be flushed.
You've got almost the entire system.... have you thought about replacing the evaporator?
It does basically the same job as the condenser. Both will get coated internally and loose efficiency.
Since your so close to a compete renewal it would be pretty easy to spend a couple more bucks and have a new system. Evaporators dont commonly get serviced because they are typically very labor intensive, but I think It's not too hard on a SD.
EDIT: oh yeah.... they sell AC flush, not sure if it's anything other than denatured alcohol as Jason suggests. It does smell pretty bad so maybe it's something else. We have an apparatus to pressurize it into the component being flushed, then let it sit for a period of time, then blast it out with pressurized air for a while.
Hotshot
Joined: Jul 2008
Posts: 12,782
Likes: 2,142
From: N.GA Mountains
I read somewhere that the OE was a compromise to accommodate different climates. I'm in central Oregon where it is very dry (high mountain dessert) and high is (rarely) about 100 degrees.
I was trying to find information to tell me if it would be beneficial or detrimental. I have an AC recovery machine (2, actually) and it would be very easy for me to change.
I was trying to find information to tell me if it would be beneficial or detrimental. I have an AC recovery machine (2, actually) and it would be very easy for me to change.
I have seen the evaporator freeze on trucks with this mod, but they were hi idling with MAX AC and running low fan. Doesn’t hurt AC components, just no airflow past iced up evaporator. Easy to avoid. Outside air (not MAX) for low fan if sitting still.
Cargo Master
Joined: Aug 2003
Posts: 2,332
Likes: 442
From: Eastern Washington
no way to tell without somehow determining the condition of yours. Aside from being plugged up externally, the passages internally have oil and whatever other contaminates made it through your orifice tube. If you can clean it externally (theres a writeup on here about doing that) and if your orifice tube comes out clean there is probably very little benefit.
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Mountain Pass
Joined: Dec 2019
Posts: 155
Likes: 2
I have rear air in my x it’s gold block with a couple of lines going to it
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Mountain Pass
Joined: Dec 2019
Posts: 155
Likes: 2
no way to tell without somehow determining the condition of yours. Aside from being plugged up externally, the passages internally have oil and whatever other contaminates made it through your orifice tube. If you can clean it externally (theres a writeup on here about doing that) and if your orifice tube comes out clean there is probably very little benefit.
Cargo Master
Joined: Aug 2003
Posts: 2,332
Likes: 442
From: Eastern Washington
forgot you had an excursion.... The expansion valve should be replaced, just like the orifice tube.
Cargo Master
Joined: Aug 2003
Posts: 2,332
Likes: 442
From: Eastern Washington
It's suggested to use nitrogen because it is inert and doesn't introduce moisture into the system.
Your system has been open to atmosphere and moisture is in it. Nitrogen isn't fixing anything.
I have, and use nitrogen for pressure testing systems. It is accepted and common practice.
I always vacuum systems for 45+ minutes and believe this removes all moisture from systems, if there are no leaks.
In My Opinion, if you adequately vacuum your AC, there will not be moisture remaining from Oxygen/Atmosphere.
In My Opinion, Nitrogen is unnecessary.
I am an inexperienced and mostly uneducated goofball from Alaska that only recently started working on AC.
Do Not take my opinions as facts. Google that **** and form your own ideas.
Having said that, In the summer I now do several AC services and/or diagnosis every day.
Your system has been open to atmosphere and moisture is in it. Nitrogen isn't fixing anything.
I have, and use nitrogen for pressure testing systems. It is accepted and common practice.
I always vacuum systems for 45+ minutes and believe this removes all moisture from systems, if there are no leaks.
In My Opinion, if you adequately vacuum your AC, there will not be moisture remaining from Oxygen/Atmosphere.
In My Opinion, Nitrogen is unnecessary.
I am an inexperienced and mostly uneducated goofball from Alaska that only recently started working on AC.
Do Not take my opinions as facts. Google that **** and form your own ideas.
Having said that, In the summer I now do several AC services and/or diagnosis every day.
Cargo Master
Joined: Aug 2003
Posts: 2,332
Likes: 442
From: Eastern Washington
Oh wow.
You have a lot of reading in your future.
Top of this forum, Bold red text says
READ THIS FIRST