a/c conversion - how to?
#1
24 yrs driving 2nd Gen RX
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a/c conversion - how to?
Hi Gang,
Does anybody know how to convert the a/c system on a 1987 RX to the new refrigerants?
Maybe a link which explains all the particulars.
Thanks!
- k -
Does anybody know how to convert the a/c system on a 1987 RX to the new refrigerants?
Maybe a link which explains all the particulars.
Thanks!
- k -
#4
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Originally posted by Slammedblk7
i dunno, mine is pretttty freakin cold with my conversion kit, costs about 35 bucks easy to do.
i dunno, mine is pretttty freakin cold with my conversion kit, costs about 35 bucks easy to do.
The 134a with esther oil may run OK for a year or two before you see compressor seal problems, but by then the compressor will be about worn out anyway.
#6
24 yrs driving 2nd Gen RX
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Thanks for taking the time to reply, guys. That said, I haven't a clue what you're talking about.
"drop in replacement"? "Freeze 12"?
How about some detail?
Thanks!
- k -
"drop in replacement"? "Freeze 12"?
How about some detail?
Thanks!
- k -
#7
Yes its slow
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Originally posted by SureShot
I hear what you're saying.
The 134a with esther oil may run OK for a year or two before you see compressor seal problems, but by then the compressor will be about worn out anyway.
I hear what you're saying.
The 134a with esther oil may run OK for a year or two before you see compressor seal problems, but by then the compressor will be about worn out anyway.
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WingmaN
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I don't know anything about the Freeze12 but I can tell ya how to retrofit R134 in detail.
You need a vacuum pump. If you have a air compressor you can get a air actuated vac pump from Harbor Freight for less than $15.
Get a R134 conversion kit from your local auto supply. These kits have fittings that screw onto your R12 connectors.
You need to attach the vac to the low pressure side. That is the bigger of the two AC lines near the firewall right next to the throttle body on the 2nd gen.
Pull a vacuum about 15 minutes or so.
Fire up the car and turn the AC on max with the air set to recycle the internal air. Hook up the R134 and let it suck it in until the can is empty.
It should only take two cans if you use the kit with the sealer. I think those cans are 14 or 15 oz.
Hopefully that gives you a little insight. I helped "Slammed" do his and I have done a few RX7's and all went well.
You need a vacuum pump. If you have a air compressor you can get a air actuated vac pump from Harbor Freight for less than $15.
Get a R134 conversion kit from your local auto supply. These kits have fittings that screw onto your R12 connectors.
You need to attach the vac to the low pressure side. That is the bigger of the two AC lines near the firewall right next to the throttle body on the 2nd gen.
Pull a vacuum about 15 minutes or so.
Fire up the car and turn the AC on max with the air set to recycle the internal air. Hook up the R134 and let it suck it in until the can is empty.
It should only take two cans if you use the kit with the sealer. I think those cans are 14 or 15 oz.
Hopefully that gives you a little insight. I helped "Slammed" do his and I have done a few RX7's and all went well.
#9
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Slammedblk7... why are you going to pull out your AC when it's a frikkin' scorcher out there? Unless you mean to replace it with another one.
Kel... Freeze 12 is being hailed as a drop-in replacement for the ozone-killing CFC stuff. That means you could theoretically refill your system with Freeze 12 without taking out the old stuff. There are plenty of sites on the internet that sell Freeze 12 and you can find them by searching on Google. They will also have conversion kits, which consist of an adapter to screw onto your existing system, a hose, and a can puncturer that lets you fill up the system with Freeze 12.
As for R134a, there are mixed accounts. Most people say that you should not mix R134a and the old stuff, R12 I think. Others have said they've mixed to their hearts' content with no problems. You're on your own there. You can buy R134a cans and kits at Wal-mart. Not sure if those kits can be used with Freeze 12 though.
Kel... Freeze 12 is being hailed as a drop-in replacement for the ozone-killing CFC stuff. That means you could theoretically refill your system with Freeze 12 without taking out the old stuff. There are plenty of sites on the internet that sell Freeze 12 and you can find them by searching on Google. They will also have conversion kits, which consist of an adapter to screw onto your existing system, a hose, and a can puncturer that lets you fill up the system with Freeze 12.
As for R134a, there are mixed accounts. Most people say that you should not mix R134a and the old stuff, R12 I think. Others have said they've mixed to their hearts' content with no problems. You're on your own there. You can buy R134a cans and kits at Wal-mart. Not sure if those kits can be used with Freeze 12 though.
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