Ranchero Forum - A/C Oil capacity

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A/C Oil capacity

Printed From: The Ford Torino Page
Category: Model Specific Forum
Forum Name: Ranchero Forum
Forum Description: Technical discussion for Rancheros
URL: https://forum.grantorinosport.org/forum_posts.asp?TID=17499
Printed Date: 23-April-2024 at 7:35PM
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Topic: A/C Oil capacity

Posted By: sbeusch
Subject: A/C Oil capacity
Date Posted: 30-September-2018 at 7:00AM

we have a 1973 Ford Ranchero GT 351 Cleveland and just got a new A/c Compressor

Four Seasons #58022 and can't find what type oil and capacity. Their chart says see the under hood specs. there are none. Can anyone help

thanks

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Thanks

Replies:

Posted By: 72FordGTS
Date Posted: 03-October-2018 at 12:18PM

I looked it up in the factory service manual for you. There is no specification on the oil quantity. It just states to drain the ooil and measure how much was removed. There is also a procedure to fabricate a dip stick to check the oil level in the compressor.

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Vince

1972 Ford GTS Sportsroof - Survivor, One Family car

GTS.org Admin

Posted By: 72GTS351CJ
Date Posted: 03-October-2018 at 12:53PM

Are you running r12 or 134. I believe they call for different oil. When I filled mine it specified how much and which oil. I'll look for the directions tomorrow. I believe it is a York compressor

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72GTS Clint Eastwood Special

Posted By: Rockatansky
Date Posted: 03-October-2018 at 3:00PM

that's a York / Tecumseh style https://www.amazon.com/Four-Seasons-58022-C-Compressor/dp/B004AF76PS" rel="nofollow - https://www.amazon.com/Four-Seasons-58022-C-Compressor/dp/B004AF76PS

did the York / Tecumseh compressors keep an oil level in the compressor crankcase and also use a circulating oil charge in the refrigerant?

or just in the crankcase, or just in the refrigerant?

is there a fill / level plug?

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72 GT Ute

Posted By: aquartlow
Date Posted: 03-October-2018 at 3:10PM

Definitely different oils for use with different refrigerants. R12 use 525 mineral oil, for 134a use PAG 100 oil(recommended for use in York or Tecumseh style compressor). Oil capacity depends on a few factors, refrigerant type and if it's a partial or total refill. R12 system would use around a total of 8 to 9oz of 525 oil and 4lbs +/- refrigerant, 134a would be a bit less for both oil/refrigerant. I would recommend keeping the STV/POA valve and adjust it if using 134a, the York/Tecumseh style of compressor clutch does not like the type of cycling newer vehicle A/C systems employ. Just an FYI.

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