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#16
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Why would it be too late to go back to R12? Couldn't I flush the system and use R12/mineral oil? Or some other product like Freeze12? Quote:
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cbjukraine '84 300D |
#17
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That would put you at around 85% of the R-12 charge, which is what some a/c shops use on R-12 to R-134a conversions.
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When cryptography is outlawed, bayl bhgynjf jvyy unir cevinpl. |
#18
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Any reason to thing there would be difference between an '82 and an '84 regarding the R12 charge?
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cbjukraine '84 300D |
#19
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No reason that I am aware of.
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When cryptography is outlawed, bayl bhgynjf jvyy unir cevinpl. |
#20
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the sticker on my 82 SD states the 123 is 2.6lbs r12, the sticker on my 87 124 states both the 123 and the 126 contain 2.9 lbs... odd I'm pretty sure in 84, the condensers in both the 123 and 124 got smaller tubing and more tubes, this would alter the amount of liquid the system could contain. odd that it would increase the 123's charge, but lower the 126's...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#21
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New Information
It's in the low 70's and rainy here in Dallas today. Got in the car to take it to an A/C shop to get there opinion...
No noise from the compressor, smooth and quiet as normal. Does this confirm your suspicions that my system is over-charged? Lower temps mean lower pressures meaning less stress on the compressor? Is my logic correct?
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cbjukraine '84 300D |
#22
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Maybe. Flow lower, pressure lower temps lower
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#23
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With it raining and the cool front, the high side pressure would be lower, possibly eliminating the noise. If you are in Dallas and want to take it to a shop, take it to McCain's. One of the best auto a/c shops anywhere. They are on Floyd Circle near the Floyd Road TI plant. The one at 75 and 635.
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2001 SLK 320 six speed manual 2014 Porsche Cayenne six speed manual Annoy a Liberal, Read the Constitution |
#24
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2009 ML320 Bluetec 1985 300CD 1981 300TD Past Mercedes 1979 300TD 1982 300TD 2000 E320 4Matic Wagon 1998 E430 1984 300SD 1980 300SD |
#25
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-------------------------------- Eric in Plano,Tx 85 300D 277K overall miles 65K on WVO (2 tank) Rebuilt Transmission at 245k miles. 96 CE LT1 94 Nissian Hardbody 96 F250 XLT PowerStroke (also runs on WVO) |
#26
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I haven't dealt with them in a few years so to make sure they are still a top notch shop, just ask for Mark. He used to be the owner and is VERY helpful and approachable. If he is still involved with the outfit, then you can have all confidence in them. They also sell supplies and parts over their parts counter and Mark will give you any information you ask for with no obligation. He just wants to help people.
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2001 SLK 320 six speed manual 2014 Porsche Cayenne six speed manual Annoy a Liberal, Read the Constitution |
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