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What refrigerant oil is recommended for our trucks? Guy at the parts store says pag 46 but in the past I am quite certain that replacement compressors called for esther oil. This is a new replacement compressor but it just says "NO OIL! Follow oem manufacturer guidelines" which isn't super helpful since it would have originally had mineral oil for the R-12 and you cant use mineral oil with R134a. It's an 86 f350 6.9 diesel with the fs6 compressor on a factory ac system if anyone has a recommendation or can confirm my info is correct let me know. Thanks
My '84 also has factory air and the FS6 compressor, converted to R134a over 20 years ago. I've used Interdynamics PAG 150 oil (part #GPH-6) all this time with no complaints:
Link to Amazon, but you should be able to get this (or a close match) at any local auto parts store:
If the system is fresh and clean with no trace mineral oil then a PAG 100 or 150 will be fine. If its a basic conversion the guidelines are to use a POE 100 and change out the accumulator and drier.
Ive always ran pag in my conversions. might be a problem way down the line but I haven't had any problems so far. my '78 Mercury I replaced the compressor and flushed the system out along with the other conversions I did. Im going to flush my truck out how ever when I have the motor out and put the proper charge in the York compressor just to make sure someone didn't add more oil than it should have. I would love to replace my drier but 30+ year old AC hose with clamps I don't think youll get them off the drier without slicing them.
If you are going to slap the compressor in place and go, you had better use ester oil. If you are going to clean and flush the system out, you can use ester or the PAG. The PAG doesn't work well with the old r12 mineral oil. The ester oil does work with the old r12 oil. That is why all the conversion kits you buy in the store come with ester oil.
If you are going to slap the compressor in place and go, you had better use ester oil. If you are going to clean and flush the system out, you can use ester or the PAG. The PAG doesn't work well with the old r12 mineral oil. The ester oil does work with the old r12 oil. That is why all the conversion kits you buy in the store come with ester oil.
So I guess I could use either one then since the only parts I re used are the suction and discharge hoses. Everything else is brand new. Am I correct
So I guess I could use either one then since the only parts I re used are the suction and discharge hoses. Everything else is brand new. Am I correct
Yes. Give the hoses a little shot of something to clean them out and you should be free to use what you want. You will have to search around or possibly you have a factory manual. But you should preload the compressor with a certain amount oil, and you might have to pour some in other places, depending on what procedure you run across.
Yes. Give the hoses a little shot of something to clean them out and you should be free to use what you want. You will have to search around or possibly you have a factory manual. But you should preload the compressor with a certain amount oil, and you might have to pour some in other places, depending on what procedure you run across.
I am sure the York compressors had a oil sump but do the Sanden compressors have a sump?
Just asking because I don't know.
Dave ----
I am sure the York compressors had a oil sump but do the Sanden compressors have a sump?
Just asking because I don't know.
Dave ----
They don't really have an official "sump" like the york did. But they do hold oil inside them. You have to find the factory manual, and it tells you how much to pour in various places if you are starting new, or how much to pour into the compressor only if you are just replacing the compressor. You have to pour a little bit in, and then slowly turn the compressor and then pour some more in, and keep doing that till you can get all the required oil inside the compressor.
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