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#16
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Actually, oil should only be found in the compressor. But occasionally oil will travel with the refrigerant if the oil isn't warm enough to separate from the refrigerant.
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#17
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1992 LS Touring (6/91) - Currently undergoing a five speed swap Black over Claret with spoiler; 235,000 miles; Mods: 2002 Legacy 5 speed, ACT Pressure Plate, Excedy Clutch, Short Throw Shifter, Aussie Powerchip 1992 LS Touring (6/91) Black over Claret with 2.5" setback spoiler; 202,000 miles; Mods: B&M Cooler 1994 LSi (4/93) Bordeaux Pearl; 198,000 miles; Mods: Weight reduction. 1969 Mustang GT Convertible 1970 Mustang Convertible 2000 Ford Excursion Sola lingua bona est lingua mortua. My Locker |
#18
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1992 LS Touring (6/91) - Currently undergoing a five speed swap Black over Claret with spoiler; 235,000 miles; Mods: 2002 Legacy 5 speed, ACT Pressure Plate, Excedy Clutch, Short Throw Shifter, Aussie Powerchip 1992 LS Touring (6/91) Black over Claret with 2.5" setback spoiler; 202,000 miles; Mods: B&M Cooler 1994 LSi (4/93) Bordeaux Pearl; 198,000 miles; Mods: Weight reduction. 1969 Mustang GT Convertible 1970 Mustang Convertible 2000 Ford Excursion Sola lingua bona est lingua mortua. My Locker |
#19
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British vehicles are my last ditch attempt to keep the nasty Italian thoughts in my mind at bay. So far its working. |
#20
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1)Compressor failure is due to moisture or uncondensables in the system which cause high head pressure. 2) R12 normally mixes with oil with no problem, but I'm not sure about R134A. 3)The reason for changing the o-rings is that different refrigerants work under different pressures.
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#21
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I don't understand why you guys want to mess about with converting the system to R134a. Surely it makes more sense to use one of the R12 replacement gases that you can put in the system without needing to replace any parts or do any conversion work.
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Subaru ECU and TCU Website 1992 Alcyone SVX Version L 1992 Alcyone SVX Version L 1994 Alcyone SVX S40-II 2004 Subaru Legacy 2.5 SE Sports Tourer 1996 Subaru Legacy 2.2 GX Wagon 1988 Subaru Justy J12 SL-II |
#22
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The problem lies in finding a local supplier and complications when needing future work done. None of the shops around me stock anything but R134 and the ones that do AC work either won't let their equipment touch R12 systems or charge an arm and a leg to do so.
KuoH Quote:
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#23
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R12 systems use the equvelant of Mineral Oil. R134a uses PAG oil. The two are incompatible. Mineral oil will break down at the increased pressure that R134a runs at (10-15% higher discharge pressure). The other caveot on the SVX is that the condensor was designed for the R12 and is a little too small for use in R134a. If there is a slightly larger condensor that will physically fit in the SVX, that would help the retrofit system cool as well as or better than the original R12. Doug
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1992 LS Touring (6/91) - Currently undergoing a five speed swap Black over Claret with spoiler; 235,000 miles; Mods: 2002 Legacy 5 speed, ACT Pressure Plate, Excedy Clutch, Short Throw Shifter, Aussie Powerchip 1992 LS Touring (6/91) Black over Claret with 2.5" setback spoiler; 202,000 miles; Mods: B&M Cooler 1994 LSi (4/93) Bordeaux Pearl; 198,000 miles; Mods: Weight reduction. 1969 Mustang GT Convertible 1970 Mustang Convertible 2000 Ford Excursion Sola lingua bona est lingua mortua. My Locker |
#24
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David B. SVXipedia @ SVX-IW.COM -- SVX Information Warehouse 2.0 coming...eventually! Ebony 1992 SVX LS-L 5 spd Koni/GC Stebro 187k miles RIP (Rust In Pieces) 1993 SVX 5 spd Koni/GC Stebro Polyurethane bushings still available! |
#25
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As for the SVX condensor, I think its the same for R-12 and r-134a and my SVX when the system is working with a decent pump is overly cool on a 100 degree southeastern summer day.
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British vehicles are my last ditch attempt to keep the nasty Italian thoughts in my mind at bay. So far its working. |
#26
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dcb |
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