Air Conditioner Compressor Replacement
09-06-2016, 01:24 PM
#1
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Thread Starter
Join Date: Apr 2013
Posts: 7
Air Conditioner Compressor Replacement
My wife daily driver 84 Turbo a/c stopped working! We live in Texas Yall. Heat index of 104 today! I know..... why is her daily a z31? We sold her Z71 last month because she would not drive it and have not replaced it yet.
The air conditioner has been acting up for a while and I'm real sure its the compressor and or the pulley. They are both getting replaced. I cant seem to find any info on removing the compressor except the manual say remove the 4 bolts. I believe if I remove the top two bolt the this will allow me to rotate the compressor on a bracket below and unbolt the other two bolts. Is the correct or am I going to be kicking and having a fit with removing other parts to get to the lower bolts?
Compressor is on the way I just thought I would figure out how much of a pain this is going to be before I started.
Drew
The air conditioner has been acting up for a while and I'm real sure its the compressor and or the pulley. They are both getting replaced. I cant seem to find any info on removing the compressor except the manual say remove the 4 bolts. I believe if I remove the top two bolt the this will allow me to rotate the compressor on a bracket below and unbolt the other two bolts. Is the correct or am I going to be kicking and having a fit with removing other parts to get to the lower bolts?
Compressor is on the way I just thought I would figure out how much of a pain this is going to be before I started.
Drew
09-07-2016, 06:30 AM
#2
Registered User
Join Date: Jun 2015
Location: Phoenix Arizona area
Posts: 46
Good morning,
Here are 3 pictures that show the main large bracket, that the air conditioning compressor bolts onto and a view of the compressor itself. The compressor fits snuggly between the flanges on the top and bottom.
Since this is an 84, you will have to have your system upgraded to 134a over the older R12 freon. The R12 has been ruled out of use and is no longer available. This will require modifications to your existing system. If it is deffinetly the compressor, then damaged particles from the compressor have been forced throughout your AC system and it needs to be flushed and cleaned after the R12 freon has been vacuumed out and captured.
If your AC system still has freon in it, I would highly advise that you take your car to a shop that services AC units, to have them pull a vacuum on your AC system and capture all the freon that is still in the system first, as discharging the freon to atmosphere is illegal and it bad for the ozone layer. After that is done you can do the work yourself and then take it back to them to add the proper lubricating oil and the 134a refrigerant.
I would also suggest you Google; "How do I change from R12 to 134a refrigerant"
This is what I will have to do on my 84 N/A 2+2 auto. I live in the Phoenix, AZ area and it gets extremely hot here also. This change can be done, but I would research this a bit more, so you know what the rules, facts and costs will be for you.
Any other questions, I would be glad to help.
Thanks, Bob
Here are 3 pictures that show the main large bracket, that the air conditioning compressor bolts onto and a view of the compressor itself. The compressor fits snuggly between the flanges on the top and bottom.
Since this is an 84, you will have to have your system upgraded to 134a over the older R12 freon. The R12 has been ruled out of use and is no longer available. This will require modifications to your existing system. If it is deffinetly the compressor, then damaged particles from the compressor have been forced throughout your AC system and it needs to be flushed and cleaned after the R12 freon has been vacuumed out and captured.
If your AC system still has freon in it, I would highly advise that you take your car to a shop that services AC units, to have them pull a vacuum on your AC system and capture all the freon that is still in the system first, as discharging the freon to atmosphere is illegal and it bad for the ozone layer. After that is done you can do the work yourself and then take it back to them to add the proper lubricating oil and the 134a refrigerant.
I would also suggest you Google; "How do I change from R12 to 134a refrigerant"
This is what I will have to do on my 84 N/A 2+2 auto. I live in the Phoenix, AZ area and it gets extremely hot here also. This change can be done, but I would research this a bit more, so you know what the rules, facts and costs will be for you.
Any other questions, I would be glad to help.
Thanks, Bob
09-08-2016, 04:00 PM
#3
Registered User
Join Date: Jun 2015
Location: Phoenix Arizona area
Posts: 46
In continuing my own investigation, which was renewed by your post, I came across a replacement refigerant that can be used instead of the obsolete R12. It is one called R12a. It has better cooling than the 134a.
https://en.wikipedia.org/wiki/HC-12a
So I will have to do some additional information gathering, but this shows promise.
RED TEK - 12a Refrigerant
Thanks, Bob
https://en.wikipedia.org/wiki/HC-12a
So I will have to do some additional information gathering, but this shows promise.
RED TEK - 12a Refrigerant
Thanks, Bob
09-08-2016, 04:07 PM
#4
Registered User
Join Date: Jun 2015
Location: Phoenix Arizona area
Posts: 46
WELL, WE CAN Forget this. I just saw the following statement:
"Because of its flammability, it is illegal to replace R-12 with HC-12a in the United States.[It is not illegal to purchase HC-12a, or to use it in refrigeration systems that were not originally charged with R-12, except for in certain states that prohibit the use of flammable refrigerants in automobiles."
Sorry to get my and anyone else's hopes up.
Thanks, Bob
"Because of its flammability, it is illegal to replace R-12 with HC-12a in the United States.[It is not illegal to purchase HC-12a, or to use it in refrigeration systems that were not originally charged with R-12, except for in certain states that prohibit the use of flammable refrigerants in automobiles."
Sorry to get my and anyone else's hopes up.
Thanks, Bob
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