Factory AC comprssor replacement.
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Cross-Country
Joined: Apr 2021
Posts: 86
Likes: 16
Factory AC comprssor replacement.
1975 F150 Ranger XLT FE390 2WD
So the PO disconnected and removed the compressor at some point, everything else is still there. Are compressors interchangeable or would it be possible to use a more modern compressor from a JY to replace the one that was removed? Or what year the compressors changed. My local PnP usually doesn't have anything older than mid 80's.
So the PO disconnected and removed the compressor at some point, everything else is still there. Are compressors interchangeable or would it be possible to use a more modern compressor from a JY to replace the one that was removed? Or what year the compressors changed. My local PnP usually doesn't have anything older than mid 80's.
Fleet Mechanic
Joined: Sep 2009
Posts: 1,572
Likes: 37
From: Northern Virginia.
you will need a bracket if you use the Sanden compressor
ours is a york
the york has a Compressor Output: 164cc/10.0cid so you might want to get a Junk yard one with similar output.
here are a couple places to research the bracket in case you want to make your own.
or buy from them.
https://nostalgicac.com/
https://nostalgicac.com/compressors/compressors.html
https://www.vintageair.com/
you will need a bracket if you use the Sanden
ours is a york
the york has a Compressor Output: 164cc/10.0cid so you might want to get a Junk yard one with similar output.
here are a couple places to research the bracket in case you want to make your own.
or buy from them.
https://nostalgicac.com/
https://nostalgicac.com/compressors/compressors.html
https://www.vintageair.com/
you will need a bracket if you use the Sanden
Lead Driver
Joined: Oct 2018
Posts: 7,897
Likes: 2,372
When the York on my '76 dies this is that I'm going to do. it says '76 to '79. I'm not sure what the difference is for your '75 but I'm sure it can be overcome.
76-79 F-Series Truck/78-79 Bronco AC Compressor Kit V8 STAGE-1 | Original Air Group
76-79 F-Series Truck/78-79 Bronco AC Compressor Kit V8 STAGE-1 | Original Air Group
Tuned
Joined: Mar 2004
Posts: 279
Likes: 85
From: Hoschton,Ga.
I would urge you to stay away from Original Air Group. I am still fighting with them over incorrect parts on the Stage 2 upgrade I purchased in January. They are utterly incompetent IF you can get them to answer/return calls.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
1975 F150 Ranger XLT FE390 2WD
So the PO disconnected and removed the compressor at some point, everything else is still there. Are compressors interchangeable or would it be possible to use a more modern compressor from a JY to replace the one that was removed? Or what year the compressors changed. My local PnP usually doesn't have anything older than mid 80's.
So the PO disconnected and removed the compressor at some point, everything else is still there. Are compressors interchangeable or would it be possible to use a more modern compressor from a JY to replace the one that was removed? Or what year the compressors changed. My local PnP usually doesn't have anything older than mid 80's.
Cargo Master
Joined: Jun 2014
Posts: 2,218
Likes: 325
From: Central Florida
If the system has been open to the environment, there is a strong chance that bugs, dust and dirt have compromised it. Replacing the compressor, hoses and (especially) the receiver/dryer are necessary but you'll also want to have the condenser and evaporator professionally cleaned unless you're going to replace those with new parts as well. Finally, you'll also need to consider converting from R12 to R 134a refrigerant.
Given all the work, money and risk involved, you may want to consider a whole new and more modern system. Vintage Air now sells a "Sure Fit" kit for 1973 -79 Ford pickup trucks and the 1978-79 Bronco. That kit assumes a 400M engine so you'd need to get the FE bracket separately.
Given all the work, money and risk involved, you may want to consider a whole new and more modern system. Vintage Air now sells a "Sure Fit" kit for 1973 -79 Ford pickup trucks and the 1978-79 Bronco. That kit assumes a 400M engine so you'd need to get the FE bracket separately.
Thread Starter
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Cross-Country
Joined: Apr 2021
Posts: 86
Likes: 16
If the system has been open to the environment, there is a strong chance that bugs, dust and dirt have compromised it. Replacing the compressor, hoses and (especially) the receiver/dryer are necessary but you'll also want to have the condenser and evaporator professionally cleaned unless you're going to replace those with new parts as well. Finally, you'll also need to consider converting from R12 to R 134a refrigerant.
Given all the work, money and risk involved, you may want to consider a whole new and more modern system. Vintage Air now sells a "Sure Fit" kit for 1973 -79 Ford pickup trucks and the 1978-79 Bronco. That kit assumes a 400M engine so you'd need to get the FE bracket separately.
Given all the work, money and risk involved, you may want to consider a whole new and more modern system. Vintage Air now sells a "Sure Fit" kit for 1973 -79 Ford pickup trucks and the 1978-79 Bronco. That kit assumes a 400M engine so you'd need to get the FE bracket separately.
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Fleet Mechanic
Joined: Sep 2014
Posts: 1,627
Likes: 79
From: NE Texas
You can try to flush the system with alcohol. If you can find a York compressor good, but the Sanden style is much less drag on the engine. If you convert to R134 refrigerant you will need a new condenser and drier in front, probably new hoses (or at minimum adapters for the banjo fittings) and probably a new TXV, Flush the system with alcohol thoroughly, pull a good vacuum, and if it all seals OK, put in PAG oil and new refrigerant. If you stay with R12, do not switch to PAG oil.
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